diff --git a/.bazelversion b/.bazelversion
index 3eefcb9..227cea2 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-1.0.0
+2.0.0
diff --git a/WORKSPACE b/WORKSPACE
index 5fd2ed9..f456e4c 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -20,7 +20,7 @@
 
 load("//tools:bazlets.bzl", "load_bazlets")
 
-load_bazlets(commit = "09a035e98077dce549d5f6a7472d06c4b8f792d2")
+load_bazlets(commit = "f53f51fb660552d0581aa0ba52c3836ed63d56a3")
 
 load(
     "@com_googlesource_gerrit_bazlets//tools:maven_jar.bzl",
@@ -77,20 +77,20 @@
 
 maven_jar(
     name = "javaewah",
-    artifact = "com.googlecode.javaewah:JavaEWAH:1.1.6",
-    sha1 = "94ad16d728b374d65bd897625f3fbb3da223a2b6",
+    artifact = "com.googlecode.javaewah:JavaEWAH:1.1.7",
+    sha1 = "570dde3cd706ae10c62fe19b150928cfdb415e87",
 )
 
 maven_jar(
     name = "httpclient",
-    artifact = "org.apache.httpcomponents:httpclient:4.5.6",
-    sha1 = "1afe5621985efe90a92d0fbc9be86271efbe796f",
+    artifact = "org.apache.httpcomponents:httpclient:4.5.10",
+    sha1 = "7ca2e4276f4ef95e4db725a8cd4a1d1e7585b9e5",
 )
 
 maven_jar(
     name = "httpcore",
-    artifact = "org.apache.httpcomponents:httpcore:4.4.10",
-    sha1 = "acc54d9b28bdffe4bbde89ed2e4a1e86b5285e2b",
+    artifact = "org.apache.httpcomponents:httpcore:4.4.12",
+    sha1 = "21ebaf6d532bc350ba95bd81938fa5f0e511c132",
 )
 
 maven_jar(
@@ -107,8 +107,8 @@
 
 maven_jar(
     name = "commons-codec",
-    artifact = "commons-codec:commons-codec:1.10",
-    sha1 = "4b95f4897fa13f2cd904aee711aeafc0c5295cd8",
+    artifact = "commons-codec:commons-codec:1.13",
+    sha1 = "3f18e1aa31031d89db6f01ba05d501258ce69d2c",
 )
 
 maven_jar(
@@ -137,8 +137,8 @@
 
 maven_jar(
     name = "commons-compress",
-    artifact = "org.apache.commons:commons-compress:1.18",
-    sha1 = "1191f9f2bc0c47a8cce69193feb1ff0a8bcb37d5",
+    artifact = "org.apache.commons:commons-compress:1.19",
+    sha1 = "7e65777fb451ddab6a9c054beb879e521b7eab78",
 )
 
 maven_jar(
@@ -155,8 +155,8 @@
 
 maven_jar(
     name = "junit",
-    artifact = "junit:junit:4.12",
-    sha1 = "2973d150c0dc1fefe998f834810d68f278ea58ec",
+    artifact = "junit:junit:4.13",
+    sha1 = "e49ccba652b735c93bd6e6f59760d8254cf597dd",
 )
 
 maven_jar(
@@ -177,6 +177,12 @@
     sha1 = "497ddb32fd5d01f9dbe99a2ec790aeb931dff1b1",
 )
 
+maven_jar(
+    name = "assertj-core",
+    artifact = "org.assertj:assertj-core:3.14.0",
+    sha1 = "3b7b0fcac821f3d167764e9926573cd64f78f9e9",
+)
+
 BYTE_BUDDY_VERSION = "1.9.0"
 
 maven_jar(
@@ -203,48 +209,48 @@
     sha1 = "3edcfe49d2c6053a70a2a47e4e1c2f94998a49cf",
 )
 
-JETTY_VER = "9.4.24.v20191120"
+JETTY_VER = "9.4.25.v20191220"
 
 maven_jar(
     name = "jetty-servlet",
     artifact = "org.eclipse.jetty:jetty-servlet:" + JETTY_VER,
-    sha1 = "ca1803fde51b795c0a8346ca8bc6277d9d04d01d",
-    src_sha1 = "8781c162df92d27456d4370df943f6a5234f32c4",
+    sha1 = "bee77d6a4f87dc90d5bc142cbd6cef470ec46aae",
+    src_sha1 = "e8b09b6431fc9cfbff588698ac0262a745fe00e4",
 )
 
 maven_jar(
     name = "jetty-security",
     artifact = "org.eclipse.jetty:jetty-security:" + JETTY_VER,
-    sha1 = "9fa640d36c088cf55843900043d28aef830ade4d",
-    src_sha1 = "40128e3547b43f09e176fb0738672f483c477119",
+    sha1 = "593ff5b5dfd5bf973184329f5d1209b9a411ec12",
+    src_sha1 = "369f869a13a33d25535db3176a84945e94a3718a",
 )
 
 maven_jar(
     name = "jetty-server",
     artifact = "org.eclipse.jetty:jetty-server:" + JETTY_VER,
-    sha1 = "7885cc3d5d7701a444acada7ab97f89846514875",
-    src_sha1 = "709650068c26029303ab3776d1e5ed6a66e0b065",
+    sha1 = "5b352c9f9135a1c20e4808e5cb1d84fbddfdc460",
+    src_sha1 = "0f3acc2abcdb86491a2c37074592860cb1100269",
 )
 
 maven_jar(
     name = "jetty-http",
     artifact = "org.eclipse.jetty:jetty-http:" + JETTY_VER,
-    sha1 = "d3f0b0fb016ef8d35ffb199d928ffbcbfa121c86",
-    src_sha1 = "b29d870576e3edff354af0dae86c60d5956cd643",
+    sha1 = "c3aa7da362f1a492667ce754ba16b2535b793668",
+    src_sha1 = "70ef1436dc895eafe2cc24cf59af6e2d2874d963",
 )
 
 maven_jar(
     name = "jetty-io",
     artifact = "org.eclipse.jetty:jetty-io:" + JETTY_VER,
-    sha1 = "dcb6d4d505ef74898e3a64a38c40195c01e97119",
-    src_sha1 = "863a6c575eadb626b50cda13a6484609a9449934",
+    sha1 = "3eb34b5481012701de0ea9dfaf2bdf1dbb947b16",
+    src_sha1 = "ad129617793088aaf69eab18a13c9bce02cb1195",
 )
 
 maven_jar(
     name = "jetty-util",
     artifact = "org.eclipse.jetty:jetty-util:" + JETTY_VER,
-    sha1 = "3095acb088f4ff9e3fd9aedf98db73e3c18ea849",
-    src_sha1 = "f503199317d9df74062d722db4a7af8cf5e59322",
+    sha1 = "fd8b642cc16728f1c36ca6a64653cb1b26ec0232",
+    src_sha1 = "c84dc3026cc4aea013dc97b18228756816167745",
 )
 
 BOUNCYCASTLE_VER = "1.64"
diff --git a/lib/BUILD b/lib/BUILD
index 058899f..6c97486 100644
--- a/lib/BUILD
+++ b/lib/BUILD
@@ -214,6 +214,15 @@
 )
 
 java_library(
+    name = "assertj-core",
+    testonly = 1,
+    visibility = ["//visibility:public"],
+    exports = [
+        "@assertj-core//jar",
+    ],
+)
+
+java_library(
     name = "servlet-api",
     visibility = [
         "//org.eclipse.jgit.http.apache:__pkg__",
diff --git a/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF
index a8e76b2..95a6da3 100644
--- a/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF
@@ -14,4 +14,4 @@
  org.eclipse.jgit.lib;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.util;version="[5.7.0,5.8.0)",
  org.hamcrest.core;version="[1.1.0,2.0.0)",
- org.junit;version="[4.12,5.0.0)"
+ org.junit;version="[4.13,5.0.0)"
diff --git a/org.eclipse.jgit.benchmarks/pom.xml b/org.eclipse.jgit.benchmarks/pom.xml
index 426fb7f..5e70771 100644
--- a/org.eclipse.jgit.benchmarks/pom.xml
+++ b/org.eclipse.jgit.benchmarks/pom.xml
@@ -69,9 +69,6 @@
             <configuration>
               <compilerId>javac-with-errorprone</compilerId>
               <forceJavacCompilerUse>true</forceJavacCompilerUse>
-              <compilerArgs>
-                <arg>-Xep:ExpectedExceptionChecker:ERROR</arg>
-              </compilerArgs>
             </configuration>
           </execution>
         </executions>
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitFilter.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitFilter.java
index 9b17132..1769832 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitFilter.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitFilter.java
@@ -298,7 +298,8 @@
 		try {
 			return StringUtils.toBoolean(n);
 		} catch (IllegalArgumentException err) {
-			throw new ServletException(MessageFormat.format(HttpServerText.get().invalidBoolean, param, n));
+			throw new ServletException(MessageFormat.format(
+					HttpServerText.get().invalidBoolean, param, n), err);
 		}
 	}
 
diff --git a/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF
index d4ea158..ad9413f 100644
--- a/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF
@@ -49,8 +49,8 @@
  org.eclipse.jgit.util;version="[5.7.0,5.8.0)",
  org.hamcrest;version="[1.1.0,2.0.0)",
  org.hamcrest.core;version="[1.1.0,2.0.0)",
- org.junit;version="[4.12,5.0.0)",
- org.junit.rules;version="[4.12,5.0.0)",
- org.junit.runner;version="[4.12,5.0.0)",
- org.junit.runners;version="[4.12,5.0.0)"
+ org.junit;version="[4.13,5.0.0)",
+ org.junit.rules;version="[4.13,5.0.0)",
+ org.junit.runner;version="[4.13,5.0.0)",
+ org.junit.runners;version="[4.13,5.0.0)"
 Require-Bundle: org.hamcrest.library;bundle-version="[1.1.0,2.0.0)"
diff --git a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HttpClientTests.java b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HttpClientTests.java
index 7b14288..9665776 100644
--- a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HttpClientTests.java
+++ b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HttpClientTests.java
@@ -10,12 +10,12 @@
 
 package org.eclipse.jgit.http.test;
 
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.is;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
diff --git a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SmartClientSmartServerTest.java b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SmartClientSmartServerTest.java
index 9a7c077..51a7a8d 100644
--- a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SmartClientSmartServerTest.java
+++ b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SmartClientSmartServerTest.java
@@ -18,6 +18,7 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
@@ -88,18 +89,12 @@
 import org.eclipse.jgit.transport.http.HttpConnectionFactory;
 import org.eclipse.jgit.util.HttpSupport;
 import org.eclipse.jgit.util.SystemReader;
-import org.hamcrest.Matchers;
 import org.junit.Before;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public class SmartClientSmartServerTest extends AllFactoriesHttpTestCase {
 	private static final String HDR_TRANSFER_ENCODING = "Transfer-Encoding";
 
-	@Rule
-	public ExpectedException thrown = ExpectedException.none();
-
 	private AdvertiseRefsHook advertiseRefsHook;
 
 	private Repository remoteRepository;
@@ -462,11 +457,12 @@
 		try (Repository dst = createBareRepository();
 				Transport t = Transport.open(dst, remoteURI)) {
 			assertFalse(dst.getObjectDatabase().has(A_txt));
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
+			Exception e = assertThrows(TransportException.class,
+					() -> t.fetch(NullProgressMonitor.INSTANCE,
+							Collections.singletonList(
+									new RefSpec(unreachableCommit.name()))));
+			assertTrue(e.getMessage().contains(
 					"want " + unreachableCommit.name() + " not valid"));
-			t.fetch(NullProgressMonitor.INSTANCE, Collections
-					.singletonList(new RefSpec(unreachableCommit.name())));
 		}
 	}
 
@@ -484,11 +480,11 @@
 		try (Repository dst = createBareRepository();
 				Transport t = Transport.open(dst, remoteURI)) {
 			assertFalse(dst.getObjectDatabase().has(A_txt));
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + A.name() + " not valid"));
-			t.fetch(NullProgressMonitor.INSTANCE, Collections
-					.singletonList(new RefSpec(A.name())));
+			Exception e = assertThrows(TransportException.class,
+					() -> t.fetch(NullProgressMonitor.INSTANCE,
+							Collections.singletonList(new RefSpec(A.name()))));
+			assertTrue(
+					e.getMessage().contains("want " + A.name() + " not valid"));
 		}
 	}
 
diff --git a/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF b/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF
index 5c889f6..a622488 100644
--- a/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF
@@ -30,7 +30,7 @@
  org.eclipse.jgit.revwalk;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.transport;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.transport.resolver;version="[5.7.0,5.8.0)",
- org.junit;version="[4.12,5.0.0)"
+ org.junit;version="[4.13,5.0.0)"
 Export-Package: org.eclipse.jgit.junit.http;version="5.7.0";
   uses:="org.eclipse.jgit.transport,
    org.eclipse.jgit.junit,
diff --git a/org.eclipse.jgit.junit/META-INF/MANIFEST.MF b/org.eclipse.jgit.junit/META-INF/MANIFEST.MF
index 871e329..531f3be 100644
--- a/org.eclipse.jgit.junit/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.junit/META-INF/MANIFEST.MF
@@ -25,11 +25,11 @@
  org.eclipse.jgit.util;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.util.io;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.util.time;version="[5.7.0,5.8.0)",
- org.junit;version="[4.12,5.0.0)",
- org.junit.rules;version="[4.12,5.0.0)",
- org.junit.runner;version="[4.12,5.0.0)",
- org.junit.runners;version="[4.12,5.0.0)",
- org.junit.runners.model;version="[4.12,5.0.0)",
+ org.junit;version="[4.13,5.0.0)",
+ org.junit.rules;version="[4.13,5.0.0)",
+ org.junit.runner;version="[4.13,5.0.0)",
+ org.junit.runners;version="[4.13,5.0.0)",
+ org.junit.runners.model;version="[4.13,5.0.0)",
  org.slf4j;version="[1.7.0,2.0.0)"
 Export-Package: org.eclipse.jgit.junit;version="5.7.0";
   uses:="org.eclipse.jgit.dircache,
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
index d68c5c8..a5b3b1f 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
@@ -973,7 +973,7 @@
 		try {
 			lck.write(bin);
 		} catch (IOException ioe) {
-			throw new ObjectWritingException("Can't write " + p);
+			throw new ObjectWritingException("Can't write " + p, ioe);
 		}
 		if (!lck.commit())
 			throw new ObjectWritingException("Can't write " + p);
diff --git a/org.eclipse.jgit.lfs.server.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.lfs.server.test/META-INF/MANIFEST.MF
index c4d3c90..ac7ee5f 100644
--- a/org.eclipse.jgit.lfs.server.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.lfs.server.test/META-INF/MANIFEST.MF
@@ -47,7 +47,7 @@
  org.eclipse.jgit.treewalk.filter;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.util;version="[5.7.0,5.8.0)",
  org.hamcrest.core;version="[1.1.0,2.0.0)",
- org.junit;version="[4.12,5.0.0)",
- org.junit.rules;version="[4.12,5.0.0)",
- org.junit.runner;version="[4.12,5.0.0)",
- org.junit.runners;version="[4.12,5.0.0)"
+ org.junit;version="[4.13,5.0.0)",
+ org.junit.rules;version="[4.13,5.0.0)",
+ org.junit.runner;version="[4.13,5.0.0)",
+ org.junit.runners;version="[4.13,5.0.0)"
diff --git a/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/DownloadTest.java b/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/DownloadTest.java
index d295414..8d32f9e 100644
--- a/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/DownloadTest.java
+++ b/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/DownloadTest.java
@@ -12,6 +12,7 @@
 import static org.apache.http.HttpStatus.SC_NOT_FOUND;
 import static org.apache.http.HttpStatus.SC_UNPROCESSABLE_ENTITY;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThrows;
 
 import java.io.IOException;
 import java.nio.file.Path;
@@ -22,15 +23,10 @@
 import org.eclipse.jgit.lfs.lib.AnyLongObjectId;
 import org.eclipse.jgit.lfs.test.LongObjectIdTestUtils;
 import org.eclipse.jgit.util.FileUtils;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public class DownloadTest extends LfsServerTest {
 
-	@Rule
-	public ExpectedException exception = ExpectedException.none();
-
 	@Test
 	public void testDownload() throws Exception {
 		String TEXT = "test";
@@ -49,10 +45,8 @@
 		Path f = Paths.get(getTempDirectory().toString(), "download");
 		String error = String.format(
 				"Invalid pathInfo: '/%s' does not match '/{SHA-256}'", id);
-		exception.expect(RuntimeException.class);
-		exception.expectMessage(
-				formatErrorMessage(SC_UNPROCESSABLE_ENTITY, error));
-		getContent(id, f);
+		assertThrows(formatErrorMessage(SC_UNPROCESSABLE_ENTITY, error),
+				RuntimeException.class, () -> getContent(id, f));
 	}
 
 	@Test
@@ -62,22 +56,18 @@
 		String id = putContent(TEXT).name().replace('f', 'z');
 		Path f = Paths.get(getTempDirectory().toString(), "download");
 		String error = String.format("Invalid id: %s", id);
-		exception.expect(RuntimeException.class);
-		exception.expectMessage(
-				formatErrorMessage(SC_UNPROCESSABLE_ENTITY, error));
-		getContent(id, f);
+		assertThrows(formatErrorMessage(SC_UNPROCESSABLE_ENTITY, error),
+				RuntimeException.class, () -> getContent(id, f));
 	}
 
 	@Test
-	public void testDownloadNotFound()
-			throws ClientProtocolException, IOException {
+	public void testDownloadNotFound() {
 		String TEXT = "test";
 		AnyLongObjectId id = LongObjectIdTestUtils.hash(TEXT);
 		Path f = Paths.get(getTempDirectory().toString(), "download");
 		String error = String.format("Object '%s' not found", id.getName());
-		exception.expect(RuntimeException.class);
-		exception.expectMessage(formatErrorMessage(SC_NOT_FOUND, error));
-		getContent(id, f);
+		assertThrows(formatErrorMessage(SC_NOT_FOUND, error),
+				RuntimeException.class, () -> getContent(id, f));
 	}
 
 	@SuppressWarnings("boxing")
diff --git a/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF
index e3fcf70..2682ba6 100644
--- a/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF
@@ -18,7 +18,7 @@
  org.eclipse.jgit.treewalk.filter;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.util;version="[5.7.0,5.8.0)",
  org.hamcrest.core;version="[1.1.0,2.0.0)",
- org.junit;version="[4.12,5.0.0)",
- org.junit.runner;version="[4.12,5.0.0)",
- org.junit.runners;version="[4.12,5.0.0)"
+ org.junit;version="[4.13,5.0.0)",
+ org.junit.runner;version="[4.13,5.0.0)",
+ org.junit.runners;version="[4.13,5.0.0)"
 Export-Package: org.eclipse.jgit.lfs.test;version="5.7.0";x-friends:="org.eclipse.jgit.lfs.server.test"
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPointer.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPointer.java
index c4a51c7..55d2cfa 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPointer.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPointer.java
@@ -18,7 +18,6 @@
 import java.io.OutputStream;
 import java.io.PrintStream;
 import java.io.UnsupportedEncodingException;
-import java.nio.charset.UnsupportedCharsetException;
 import java.util.Locale;
 
 import org.eclipse.jgit.annotations.Nullable;
@@ -110,7 +109,6 @@
 			ps.print(size + "\n"); //$NON-NLS-1$
 		} catch (UnsupportedEncodingException e) {
 			// should not happen, we are using a standard charset
-			throw new UnsupportedCharsetException(UTF_8.name());
 		}
 	}
 
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AbbreviatedLongObjectId.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AbbreviatedLongObjectId.java
index a2bcc35..9016e53 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AbbreviatedLongObjectId.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AbbreviatedLongObjectId.java
@@ -121,8 +121,11 @@
 			final long c = hexUInt64(bs, ptr + 32, end);
 			final long d = hexUInt64(bs, ptr + 48, end);
 			return new AbbreviatedLongObjectId(end - ptr, a, b, c, d);
-		} catch (ArrayIndexOutOfBoundsException e1) {
-			throw new InvalidLongObjectIdException(bs, ptr, end - ptr);
+		} catch (ArrayIndexOutOfBoundsException e) {
+			InvalidLongObjectIdException e1 = new InvalidLongObjectIdException(
+					bs, ptr, end - ptr);
+			e1.initCause(e);
+			throw e1;
 		}
 	}
 
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/LongObjectId.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/LongObjectId.java
index 000e9b2..15b3ca4 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/LongObjectId.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/LongObjectId.java
@@ -223,9 +223,11 @@
 			final long c = RawParseUtils.parseHexInt64(bs, p + 32);
 			final long d = RawParseUtils.parseHexInt64(bs, p + 48);
 			return new LongObjectId(a, b, c, d);
-		} catch (ArrayIndexOutOfBoundsException e1) {
-			throw new InvalidLongObjectIdException(bs, p,
-					Constants.LONG_OBJECT_ID_STRING_LENGTH);
+		} catch (ArrayIndexOutOfBoundsException e) {
+			InvalidLongObjectIdException e1 = new InvalidLongObjectIdException(
+					bs, p, Constants.LONG_OBJECT_ID_STRING_LENGTH);
+			e1.initCause(e);
+			throw e1;
 		}
 	}
 
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/MutableLongObjectId.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/MutableLongObjectId.java
index 368f6af..012e4ae 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/MutableLongObjectId.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/MutableLongObjectId.java
@@ -213,9 +213,11 @@
 			w2 = RawParseUtils.parseHexInt64(bs, p + 16);
 			w3 = RawParseUtils.parseHexInt64(bs, p + 32);
 			w4 = RawParseUtils.parseHexInt64(bs, p + 48);
-		} catch (ArrayIndexOutOfBoundsException e1) {
-			throw new InvalidLongObjectIdException(bs, p,
-					Constants.LONG_OBJECT_ID_STRING_LENGTH);
+		} catch (ArrayIndexOutOfBoundsException e) {
+			InvalidLongObjectIdException e1 = new InvalidLongObjectIdException(
+					bs, p, Constants.LONG_OBJECT_ID_STRING_LENGTH);
+			e1.initCause(e);
+			throw e1;
 		}
 	}
 
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.target
index 3cfe1b3..f49adf9 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.10" sequenceNumber="1579097942">
+<target name="jgit-4.10" sequenceNumber="1580289401">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.25.v20191220"/>
@@ -29,8 +29,8 @@
       <unit id="com.jcraft.jsch.source" version="0.1.55.v20190404-1902"/>
       <unit id="com.jcraft.jzlib" version="1.1.1.v201205102305"/>
       <unit id="com.jcraft.jzlib.source" version="1.1.1.v201205102305"/>
-      <unit id="javaewah" version="1.1.6.v20160919-1400"/>
-      <unit id="javaewah.source" version="1.1.6.v20160919-1400"/>
+      <unit id="javaewah" version="1.1.7.v20200107-0831"/>
+      <unit id="javaewah.source" version="1.1.7.v20200107-0831"/>
       <unit id="javax.servlet" version="3.1.0.v201410161800"/>
       <unit id="javax.servlet.source" version="3.1.0.v201410161800"/>
       <unit id="net.bytebuddy.byte-buddy" version="1.9.0.v20181107-1410"/>
@@ -41,22 +41,24 @@
       <unit id="net.i2p.crypto.eddsa.source" version="0.3.0.v20181102-1323"/>
       <unit id="org.apache.ant" version="1.10.7.v20190926-0324"/>
       <unit id="org.apache.ant.source" version="1.10.7.v20190926-0324"/>
-      <unit id="org.apache.commons.codec" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.codec.source" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.compress" version="1.18.0.v20181121-2221"/>
-      <unit id="org.apache.commons.compress.source" version="1.18.0.v20181121-2221"/>
+      <unit id="org.apache.commons.codec" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.codec.source" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.compress" version="1.19.0.v20200106-2343"/>
+      <unit id="org.apache.commons.compress.source" version="1.19.0.v20200106-2343"/>
       <unit id="org.apache.commons.logging" version="1.2.0.v20180409-1502"/>
       <unit id="org.apache.commons.logging.source" version="1.2.0.v20180409-1502"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.4.10.v20190123-2214"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.10.v20190123-2214"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.12.v20200108-1212"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.12.v20200108-1212"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.osgi.source" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp.source" version="2.2.0.v20190425-2127"/>
+      <unit id="org.assertj" version="3.14.0.v20200120-1926"/>
+      <unit id="org.assertj.source" version="3.14.0.v20200120-1926"/>
       <unit id="org.bouncycastle.bcpg" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpg.source" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpkix" version="1.64.0.v20191109-0815"/>
@@ -68,8 +70,8 @@
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
       <unit id="org.hamcrest.library.source" version="1.3.0.v20180524-2246"/>
-      <unit id="org.junit" version="4.12.0.v201504281640"/>
-      <unit id="org.junit.source" version="4.12.0.v201504281640"/>
+      <unit id="org.junit" version="4.13.0.v20200128-1312"/>
+      <unit id="org.junit.source" version="4.13.0.v20200128-1312"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
       <unit id="org.mockito" version="2.23.0.v20190527-1420"/>
@@ -82,7 +84,7 @@
       <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <unit id="org.tukaani.xz" version="1.8.0.v20180207-1613"/>
       <unit id="org.tukaani.xz.source" version="1.8.0.v20180207-1613"/>
-      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20191126223242/repository"/>
+      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/S20200128200239/repository"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.osgi" version="0.0.0"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.tpd
index 19ebf13..fc18203 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.10.tpd
@@ -1,7 +1,7 @@
 target "jgit-4.10" with source configurePhase
 
 include "projects/jetty-9.4.x.tpd"
-include "orbit/R20191126223242-2019-12.tpd"
+include "orbit/staging-2020-03.tpd"
 
 location "http://download.eclipse.org/releases/2018-12/" {
 	org.eclipse.osgi lazy
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.target
index b42ae57..e68ab63 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.11" sequenceNumber="1579098001">
+<target name="jgit-4.11" sequenceNumber="1580289407">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.25.v20191220"/>
@@ -29,8 +29,8 @@
       <unit id="com.jcraft.jsch.source" version="0.1.55.v20190404-1902"/>
       <unit id="com.jcraft.jzlib" version="1.1.1.v201205102305"/>
       <unit id="com.jcraft.jzlib.source" version="1.1.1.v201205102305"/>
-      <unit id="javaewah" version="1.1.6.v20160919-1400"/>
-      <unit id="javaewah.source" version="1.1.6.v20160919-1400"/>
+      <unit id="javaewah" version="1.1.7.v20200107-0831"/>
+      <unit id="javaewah.source" version="1.1.7.v20200107-0831"/>
       <unit id="javax.servlet" version="3.1.0.v201410161800"/>
       <unit id="javax.servlet.source" version="3.1.0.v201410161800"/>
       <unit id="net.bytebuddy.byte-buddy" version="1.9.0.v20181107-1410"/>
@@ -41,22 +41,24 @@
       <unit id="net.i2p.crypto.eddsa.source" version="0.3.0.v20181102-1323"/>
       <unit id="org.apache.ant" version="1.10.7.v20190926-0324"/>
       <unit id="org.apache.ant.source" version="1.10.7.v20190926-0324"/>
-      <unit id="org.apache.commons.codec" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.codec.source" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.compress" version="1.18.0.v20181121-2221"/>
-      <unit id="org.apache.commons.compress.source" version="1.18.0.v20181121-2221"/>
+      <unit id="org.apache.commons.codec" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.codec.source" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.compress" version="1.19.0.v20200106-2343"/>
+      <unit id="org.apache.commons.compress.source" version="1.19.0.v20200106-2343"/>
       <unit id="org.apache.commons.logging" version="1.2.0.v20180409-1502"/>
       <unit id="org.apache.commons.logging.source" version="1.2.0.v20180409-1502"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.4.10.v20190123-2214"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.10.v20190123-2214"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.12.v20200108-1212"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.12.v20200108-1212"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.osgi.source" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp.source" version="2.2.0.v20190425-2127"/>
+      <unit id="org.assertj" version="3.14.0.v20200120-1926"/>
+      <unit id="org.assertj.source" version="3.14.0.v20200120-1926"/>
       <unit id="org.bouncycastle.bcpg" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpg.source" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpkix" version="1.64.0.v20191109-0815"/>
@@ -68,8 +70,8 @@
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
       <unit id="org.hamcrest.library.source" version="1.3.0.v20180524-2246"/>
-      <unit id="org.junit" version="4.12.0.v201504281640"/>
-      <unit id="org.junit.source" version="4.12.0.v201504281640"/>
+      <unit id="org.junit" version="4.13.0.v20200128-1312"/>
+      <unit id="org.junit.source" version="4.13.0.v20200128-1312"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
       <unit id="org.mockito" version="2.23.0.v20190527-1420"/>
@@ -82,7 +84,7 @@
       <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <unit id="org.tukaani.xz" version="1.8.0.v20180207-1613"/>
       <unit id="org.tukaani.xz.source" version="1.8.0.v20180207-1613"/>
-      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20191126223242/repository"/>
+      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/S20200128200239/repository"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.osgi" version="0.0.0"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.tpd
index b54e177..dd1f624 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.11.tpd
@@ -1,7 +1,7 @@
 target "jgit-4.11" with source configurePhase
 
 include "projects/jetty-9.4.x.tpd"
-include "orbit/R20191126223242-2019-12.tpd"
+include "orbit/staging-2020-03.tpd"
 
 location "http://download.eclipse.org/releases/2019-03/" {
 	org.eclipse.osgi lazy
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.target
index 3b27528..e83924c 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.12" sequenceNumber="1579098008">
+<target name="jgit-4.12" sequenceNumber="1580289407">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.25.v20191220"/>
@@ -29,8 +29,8 @@
       <unit id="com.jcraft.jsch.source" version="0.1.55.v20190404-1902"/>
       <unit id="com.jcraft.jzlib" version="1.1.1.v201205102305"/>
       <unit id="com.jcraft.jzlib.source" version="1.1.1.v201205102305"/>
-      <unit id="javaewah" version="1.1.6.v20160919-1400"/>
-      <unit id="javaewah.source" version="1.1.6.v20160919-1400"/>
+      <unit id="javaewah" version="1.1.7.v20200107-0831"/>
+      <unit id="javaewah.source" version="1.1.7.v20200107-0831"/>
       <unit id="javax.servlet" version="3.1.0.v201410161800"/>
       <unit id="javax.servlet.source" version="3.1.0.v201410161800"/>
       <unit id="net.bytebuddy.byte-buddy" version="1.9.0.v20181107-1410"/>
@@ -41,22 +41,24 @@
       <unit id="net.i2p.crypto.eddsa.source" version="0.3.0.v20181102-1323"/>
       <unit id="org.apache.ant" version="1.10.7.v20190926-0324"/>
       <unit id="org.apache.ant.source" version="1.10.7.v20190926-0324"/>
-      <unit id="org.apache.commons.codec" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.codec.source" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.compress" version="1.18.0.v20181121-2221"/>
-      <unit id="org.apache.commons.compress.source" version="1.18.0.v20181121-2221"/>
+      <unit id="org.apache.commons.codec" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.codec.source" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.compress" version="1.19.0.v20200106-2343"/>
+      <unit id="org.apache.commons.compress.source" version="1.19.0.v20200106-2343"/>
       <unit id="org.apache.commons.logging" version="1.2.0.v20180409-1502"/>
       <unit id="org.apache.commons.logging.source" version="1.2.0.v20180409-1502"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.4.10.v20190123-2214"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.10.v20190123-2214"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.12.v20200108-1212"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.12.v20200108-1212"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.osgi.source" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp.source" version="2.2.0.v20190425-2127"/>
+      <unit id="org.assertj" version="3.14.0.v20200120-1926"/>
+      <unit id="org.assertj.source" version="3.14.0.v20200120-1926"/>
       <unit id="org.bouncycastle.bcpg" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpg.source" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpkix" version="1.64.0.v20191109-0815"/>
@@ -68,8 +70,8 @@
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
       <unit id="org.hamcrest.library.source" version="1.3.0.v20180524-2246"/>
-      <unit id="org.junit" version="4.12.0.v201504281640"/>
-      <unit id="org.junit.source" version="4.12.0.v201504281640"/>
+      <unit id="org.junit" version="4.13.0.v20200128-1312"/>
+      <unit id="org.junit.source" version="4.13.0.v20200128-1312"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
       <unit id="org.mockito" version="2.23.0.v20190527-1420"/>
@@ -82,7 +84,7 @@
       <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <unit id="org.tukaani.xz" version="1.8.0.v20180207-1613"/>
       <unit id="org.tukaani.xz.source" version="1.8.0.v20180207-1613"/>
-      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20191126223242/repository"/>
+      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/S20200128200239/repository"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.osgi" version="0.0.0"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.tpd
index fe5a8d6..bf32ed9 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.12.tpd
@@ -1,7 +1,7 @@
 target "jgit-4.12" with source configurePhase
 
 include "projects/jetty-9.4.x.tpd"
-include "orbit/R20191126223242-2019-12.tpd"
+include "orbit/staging-2020-03.tpd"
 
 location "http://download.eclipse.org/releases/2019-06/" {
 	org.eclipse.osgi lazy
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.target
index c87f25d..c79f206 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.13" sequenceNumber="1579098020">
+<target name="jgit-4.13" sequenceNumber="1580289407">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.25.v20191220"/>
@@ -29,8 +29,8 @@
       <unit id="com.jcraft.jsch.source" version="0.1.55.v20190404-1902"/>
       <unit id="com.jcraft.jzlib" version="1.1.1.v201205102305"/>
       <unit id="com.jcraft.jzlib.source" version="1.1.1.v201205102305"/>
-      <unit id="javaewah" version="1.1.6.v20160919-1400"/>
-      <unit id="javaewah.source" version="1.1.6.v20160919-1400"/>
+      <unit id="javaewah" version="1.1.7.v20200107-0831"/>
+      <unit id="javaewah.source" version="1.1.7.v20200107-0831"/>
       <unit id="javax.servlet" version="3.1.0.v201410161800"/>
       <unit id="javax.servlet.source" version="3.1.0.v201410161800"/>
       <unit id="net.bytebuddy.byte-buddy" version="1.9.0.v20181107-1410"/>
@@ -41,22 +41,24 @@
       <unit id="net.i2p.crypto.eddsa.source" version="0.3.0.v20181102-1323"/>
       <unit id="org.apache.ant" version="1.10.7.v20190926-0324"/>
       <unit id="org.apache.ant.source" version="1.10.7.v20190926-0324"/>
-      <unit id="org.apache.commons.codec" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.codec.source" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.compress" version="1.18.0.v20181121-2221"/>
-      <unit id="org.apache.commons.compress.source" version="1.18.0.v20181121-2221"/>
+      <unit id="org.apache.commons.codec" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.codec.source" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.compress" version="1.19.0.v20200106-2343"/>
+      <unit id="org.apache.commons.compress.source" version="1.19.0.v20200106-2343"/>
       <unit id="org.apache.commons.logging" version="1.2.0.v20180409-1502"/>
       <unit id="org.apache.commons.logging.source" version="1.2.0.v20180409-1502"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.4.10.v20190123-2214"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.10.v20190123-2214"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.12.v20200108-1212"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.12.v20200108-1212"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.osgi.source" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp.source" version="2.2.0.v20190425-2127"/>
+      <unit id="org.assertj" version="3.14.0.v20200120-1926"/>
+      <unit id="org.assertj.source" version="3.14.0.v20200120-1926"/>
       <unit id="org.bouncycastle.bcpg" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpg.source" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpkix" version="1.64.0.v20191109-0815"/>
@@ -68,8 +70,8 @@
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
       <unit id="org.hamcrest.library.source" version="1.3.0.v20180524-2246"/>
-      <unit id="org.junit" version="4.12.0.v201504281640"/>
-      <unit id="org.junit.source" version="4.12.0.v201504281640"/>
+      <unit id="org.junit" version="4.13.0.v20200128-1312"/>
+      <unit id="org.junit.source" version="4.13.0.v20200128-1312"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
       <unit id="org.mockito" version="2.23.0.v20190527-1420"/>
@@ -82,7 +84,7 @@
       <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <unit id="org.tukaani.xz" version="1.8.0.v20180207-1613"/>
       <unit id="org.tukaani.xz.source" version="1.8.0.v20180207-1613"/>
-      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20191126223242/repository"/>
+      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/S20200128200239/repository"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.osgi" version="0.0.0"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.tpd
index caeae9c..e46a5df 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.13.tpd
@@ -1,7 +1,7 @@
 target "jgit-4.13" with source configurePhase
 
 include "projects/jetty-9.4.x.tpd"
-include "orbit/R20191126223242-2019-12.tpd"
+include "orbit/staging-2020-03.tpd"
 
 location "http://download.eclipse.org/releases/2019-09/" {
 	org.eclipse.osgi lazy
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14-staging.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14-staging.target
index 92e6794..39f52ac 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14-staging.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14-staging.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.14-staging" sequenceNumber="1579098018">
+<target name="jgit-4.14-staging" sequenceNumber="1580289404">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.25.v20191220"/>
@@ -29,8 +29,8 @@
       <unit id="com.jcraft.jsch.source" version="0.1.55.v20190404-1902"/>
       <unit id="com.jcraft.jzlib" version="1.1.1.v201205102305"/>
       <unit id="com.jcraft.jzlib.source" version="1.1.1.v201205102305"/>
-      <unit id="javaewah" version="1.1.6.v20160919-1400"/>
-      <unit id="javaewah.source" version="1.1.6.v20160919-1400"/>
+      <unit id="javaewah" version="1.1.7.v20200107-0831"/>
+      <unit id="javaewah.source" version="1.1.7.v20200107-0831"/>
       <unit id="javax.servlet" version="3.1.0.v201410161800"/>
       <unit id="javax.servlet.source" version="3.1.0.v201410161800"/>
       <unit id="net.bytebuddy.byte-buddy" version="1.9.0.v20181107-1410"/>
@@ -41,22 +41,24 @@
       <unit id="net.i2p.crypto.eddsa.source" version="0.3.0.v20181102-1323"/>
       <unit id="org.apache.ant" version="1.10.7.v20190926-0324"/>
       <unit id="org.apache.ant.source" version="1.10.7.v20190926-0324"/>
-      <unit id="org.apache.commons.codec" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.codec.source" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.compress" version="1.18.0.v20181121-2221"/>
-      <unit id="org.apache.commons.compress.source" version="1.18.0.v20181121-2221"/>
+      <unit id="org.apache.commons.codec" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.codec.source" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.compress" version="1.19.0.v20200106-2343"/>
+      <unit id="org.apache.commons.compress.source" version="1.19.0.v20200106-2343"/>
       <unit id="org.apache.commons.logging" version="1.2.0.v20180409-1502"/>
       <unit id="org.apache.commons.logging.source" version="1.2.0.v20180409-1502"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.4.10.v20190123-2214"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.10.v20190123-2214"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.12.v20200108-1212"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.12.v20200108-1212"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.osgi.source" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp.source" version="2.2.0.v20190425-2127"/>
+      <unit id="org.assertj" version="3.14.0.v20200120-1926"/>
+      <unit id="org.assertj.source" version="3.14.0.v20200120-1926"/>
       <unit id="org.bouncycastle.bcpg" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpg.source" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpkix" version="1.64.0.v20191109-0815"/>
@@ -68,8 +70,8 @@
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
       <unit id="org.hamcrest.library.source" version="1.3.0.v20180524-2246"/>
-      <unit id="org.junit" version="4.12.0.v201504281640"/>
-      <unit id="org.junit.source" version="4.12.0.v201504281640"/>
+      <unit id="org.junit" version="4.13.0.v20200128-1312"/>
+      <unit id="org.junit.source" version="4.13.0.v20200128-1312"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
       <unit id="org.mockito" version="2.23.0.v20190527-1420"/>
@@ -82,7 +84,7 @@
       <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <unit id="org.tukaani.xz" version="1.8.0.v20180207-1613"/>
       <unit id="org.tukaani.xz.source" version="1.8.0.v20180207-1613"/>
-      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20191126223242/repository"/>
+      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/S20200128200239/repository"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.osgi" version="0.0.0"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14-staging.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14-staging.tpd
index 0b61b90..d1f0d49 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14-staging.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.14-staging.tpd
@@ -1,7 +1,7 @@
 target "jgit-4.14-staging" with source configurePhase
 
 include "projects/jetty-9.4.x.tpd"
-include "orbit/R20191126223242-2019-12.tpd"
+include "orbit/staging-2020-03.tpd"
 
 location "http://download.eclipse.org/staging/2019-12/" {
 	org.eclipse.osgi lazy
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
index c77b6fc..4d862e2 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.6" sequenceNumber="1579098032">
+<target name="jgit-4.6" sequenceNumber="1580289424">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.25.v20191220"/>
@@ -29,8 +29,8 @@
       <unit id="com.jcraft.jsch.source" version="0.1.55.v20190404-1902"/>
       <unit id="com.jcraft.jzlib" version="1.1.1.v201205102305"/>
       <unit id="com.jcraft.jzlib.source" version="1.1.1.v201205102305"/>
-      <unit id="javaewah" version="1.1.6.v20160919-1400"/>
-      <unit id="javaewah.source" version="1.1.6.v20160919-1400"/>
+      <unit id="javaewah" version="1.1.7.v20200107-0831"/>
+      <unit id="javaewah.source" version="1.1.7.v20200107-0831"/>
       <unit id="javax.servlet" version="3.1.0.v201410161800"/>
       <unit id="javax.servlet.source" version="3.1.0.v201410161800"/>
       <unit id="net.bytebuddy.byte-buddy" version="1.9.0.v20181107-1410"/>
@@ -41,22 +41,24 @@
       <unit id="net.i2p.crypto.eddsa.source" version="0.3.0.v20181102-1323"/>
       <unit id="org.apache.ant" version="1.10.7.v20190926-0324"/>
       <unit id="org.apache.ant.source" version="1.10.7.v20190926-0324"/>
-      <unit id="org.apache.commons.codec" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.codec.source" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.compress" version="1.18.0.v20181121-2221"/>
-      <unit id="org.apache.commons.compress.source" version="1.18.0.v20181121-2221"/>
+      <unit id="org.apache.commons.codec" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.codec.source" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.compress" version="1.19.0.v20200106-2343"/>
+      <unit id="org.apache.commons.compress.source" version="1.19.0.v20200106-2343"/>
       <unit id="org.apache.commons.logging" version="1.2.0.v20180409-1502"/>
       <unit id="org.apache.commons.logging.source" version="1.2.0.v20180409-1502"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.4.10.v20190123-2214"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.10.v20190123-2214"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.12.v20200108-1212"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.12.v20200108-1212"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.osgi.source" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp.source" version="2.2.0.v20190425-2127"/>
+      <unit id="org.assertj" version="3.14.0.v20200120-1926"/>
+      <unit id="org.assertj.source" version="3.14.0.v20200120-1926"/>
       <unit id="org.bouncycastle.bcpg" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpg.source" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpkix" version="1.64.0.v20191109-0815"/>
@@ -68,8 +70,8 @@
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
       <unit id="org.hamcrest.library.source" version="1.3.0.v20180524-2246"/>
-      <unit id="org.junit" version="4.12.0.v201504281640"/>
-      <unit id="org.junit.source" version="4.12.0.v201504281640"/>
+      <unit id="org.junit" version="4.13.0.v20200128-1312"/>
+      <unit id="org.junit.source" version="4.13.0.v20200128-1312"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
       <unit id="org.mockito" version="2.23.0.v20190527-1420"/>
@@ -82,7 +84,7 @@
       <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <unit id="org.tukaani.xz" version="1.8.0.v20180207-1613"/>
       <unit id="org.tukaani.xz.source" version="1.8.0.v20180207-1613"/>
-      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20191126223242/repository"/>
+      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/S20200128200239/repository"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.osgi" version="0.0.0"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.tpd
index 895f37c..eb3f96d 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.tpd
@@ -1,7 +1,7 @@
 target "jgit-4.6" with source configurePhase
 
 include "projects/jetty-9.4.x.tpd"
-include "orbit/R20191126223242-2019-12.tpd"
+include "orbit/staging-2020-03.tpd"
 
 location "http://download.eclipse.org/releases/neon/" {
 	org.eclipse.osgi lazy
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
index 5fbe5e9..780b668a 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.7" sequenceNumber="1579098024">
+<target name="jgit-4.7" sequenceNumber="1580289413">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.25.v20191220"/>
@@ -29,8 +29,8 @@
       <unit id="com.jcraft.jsch.source" version="0.1.55.v20190404-1902"/>
       <unit id="com.jcraft.jzlib" version="1.1.1.v201205102305"/>
       <unit id="com.jcraft.jzlib.source" version="1.1.1.v201205102305"/>
-      <unit id="javaewah" version="1.1.6.v20160919-1400"/>
-      <unit id="javaewah.source" version="1.1.6.v20160919-1400"/>
+      <unit id="javaewah" version="1.1.7.v20200107-0831"/>
+      <unit id="javaewah.source" version="1.1.7.v20200107-0831"/>
       <unit id="javax.servlet" version="3.1.0.v201410161800"/>
       <unit id="javax.servlet.source" version="3.1.0.v201410161800"/>
       <unit id="net.bytebuddy.byte-buddy" version="1.9.0.v20181107-1410"/>
@@ -41,22 +41,24 @@
       <unit id="net.i2p.crypto.eddsa.source" version="0.3.0.v20181102-1323"/>
       <unit id="org.apache.ant" version="1.10.7.v20190926-0324"/>
       <unit id="org.apache.ant.source" version="1.10.7.v20190926-0324"/>
-      <unit id="org.apache.commons.codec" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.codec.source" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.compress" version="1.18.0.v20181121-2221"/>
-      <unit id="org.apache.commons.compress.source" version="1.18.0.v20181121-2221"/>
+      <unit id="org.apache.commons.codec" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.codec.source" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.compress" version="1.19.0.v20200106-2343"/>
+      <unit id="org.apache.commons.compress.source" version="1.19.0.v20200106-2343"/>
       <unit id="org.apache.commons.logging" version="1.2.0.v20180409-1502"/>
       <unit id="org.apache.commons.logging.source" version="1.2.0.v20180409-1502"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.4.10.v20190123-2214"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.10.v20190123-2214"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.12.v20200108-1212"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.12.v20200108-1212"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.osgi.source" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp.source" version="2.2.0.v20190425-2127"/>
+      <unit id="org.assertj" version="3.14.0.v20200120-1926"/>
+      <unit id="org.assertj.source" version="3.14.0.v20200120-1926"/>
       <unit id="org.bouncycastle.bcpg" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpg.source" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpkix" version="1.64.0.v20191109-0815"/>
@@ -68,8 +70,8 @@
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
       <unit id="org.hamcrest.library.source" version="1.3.0.v20180524-2246"/>
-      <unit id="org.junit" version="4.12.0.v201504281640"/>
-      <unit id="org.junit.source" version="4.12.0.v201504281640"/>
+      <unit id="org.junit" version="4.13.0.v20200128-1312"/>
+      <unit id="org.junit.source" version="4.13.0.v20200128-1312"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
       <unit id="org.mockito" version="2.23.0.v20190527-1420"/>
@@ -82,7 +84,7 @@
       <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <unit id="org.tukaani.xz" version="1.8.0.v20180207-1613"/>
       <unit id="org.tukaani.xz.source" version="1.8.0.v20180207-1613"/>
-      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20191126223242/repository"/>
+      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/S20200128200239/repository"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.osgi" version="0.0.0"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.tpd
index 19a733b..cb98e4c 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.tpd
@@ -1,7 +1,7 @@
 target "jgit-4.7" with source configurePhase
 
 include "projects/jetty-9.4.x.tpd"
-include "orbit/R20191126223242-2019-12.tpd"
+include "orbit/staging-2020-03.tpd"
 
 location "http://download.eclipse.org/releases/oxygen/" {
 	org.eclipse.osgi lazy
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
index c4c5799..596cd69 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.8" sequenceNumber="1579098020">
+<target name="jgit-4.8" sequenceNumber="1580289407">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.25.v20191220"/>
@@ -29,8 +29,8 @@
       <unit id="com.jcraft.jsch.source" version="0.1.55.v20190404-1902"/>
       <unit id="com.jcraft.jzlib" version="1.1.1.v201205102305"/>
       <unit id="com.jcraft.jzlib.source" version="1.1.1.v201205102305"/>
-      <unit id="javaewah" version="1.1.6.v20160919-1400"/>
-      <unit id="javaewah.source" version="1.1.6.v20160919-1400"/>
+      <unit id="javaewah" version="1.1.7.v20200107-0831"/>
+      <unit id="javaewah.source" version="1.1.7.v20200107-0831"/>
       <unit id="javax.servlet" version="3.1.0.v201410161800"/>
       <unit id="javax.servlet.source" version="3.1.0.v201410161800"/>
       <unit id="net.bytebuddy.byte-buddy" version="1.9.0.v20181107-1410"/>
@@ -41,22 +41,24 @@
       <unit id="net.i2p.crypto.eddsa.source" version="0.3.0.v20181102-1323"/>
       <unit id="org.apache.ant" version="1.10.7.v20190926-0324"/>
       <unit id="org.apache.ant.source" version="1.10.7.v20190926-0324"/>
-      <unit id="org.apache.commons.codec" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.codec.source" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.compress" version="1.18.0.v20181121-2221"/>
-      <unit id="org.apache.commons.compress.source" version="1.18.0.v20181121-2221"/>
+      <unit id="org.apache.commons.codec" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.codec.source" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.compress" version="1.19.0.v20200106-2343"/>
+      <unit id="org.apache.commons.compress.source" version="1.19.0.v20200106-2343"/>
       <unit id="org.apache.commons.logging" version="1.2.0.v20180409-1502"/>
       <unit id="org.apache.commons.logging.source" version="1.2.0.v20180409-1502"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.4.10.v20190123-2214"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.10.v20190123-2214"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.12.v20200108-1212"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.12.v20200108-1212"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.osgi.source" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp.source" version="2.2.0.v20190425-2127"/>
+      <unit id="org.assertj" version="3.14.0.v20200120-1926"/>
+      <unit id="org.assertj.source" version="3.14.0.v20200120-1926"/>
       <unit id="org.bouncycastle.bcpg" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpg.source" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpkix" version="1.64.0.v20191109-0815"/>
@@ -68,8 +70,8 @@
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
       <unit id="org.hamcrest.library.source" version="1.3.0.v20180524-2246"/>
-      <unit id="org.junit" version="4.12.0.v201504281640"/>
-      <unit id="org.junit.source" version="4.12.0.v201504281640"/>
+      <unit id="org.junit" version="4.13.0.v20200128-1312"/>
+      <unit id="org.junit.source" version="4.13.0.v20200128-1312"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
       <unit id="org.mockito" version="2.23.0.v20190527-1420"/>
@@ -82,7 +84,7 @@
       <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <unit id="org.tukaani.xz" version="1.8.0.v20180207-1613"/>
       <unit id="org.tukaani.xz.source" version="1.8.0.v20180207-1613"/>
-      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20191126223242/repository"/>
+      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/S20200128200239/repository"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.osgi" version="0.0.0"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.tpd
index 1aad52a..e0d886a 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.tpd
@@ -1,7 +1,7 @@
 target "jgit-4.8" with source configurePhase
 
 include "projects/jetty-9.4.x.tpd"
-include "orbit/R20191126223242-2019-12.tpd"
+include "orbit/staging-2020-03.tpd"
 
 location "http://download.eclipse.org/releases/photon/" {
 	org.eclipse.osgi lazy
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.target
index de451fd..7da901f 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="jgit-4.9" sequenceNumber="1579098020">
+<target name="jgit-4.9" sequenceNumber="1580289407">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.25.v20191220"/>
@@ -29,8 +29,8 @@
       <unit id="com.jcraft.jsch.source" version="0.1.55.v20190404-1902"/>
       <unit id="com.jcraft.jzlib" version="1.1.1.v201205102305"/>
       <unit id="com.jcraft.jzlib.source" version="1.1.1.v201205102305"/>
-      <unit id="javaewah" version="1.1.6.v20160919-1400"/>
-      <unit id="javaewah.source" version="1.1.6.v20160919-1400"/>
+      <unit id="javaewah" version="1.1.7.v20200107-0831"/>
+      <unit id="javaewah.source" version="1.1.7.v20200107-0831"/>
       <unit id="javax.servlet" version="3.1.0.v201410161800"/>
       <unit id="javax.servlet.source" version="3.1.0.v201410161800"/>
       <unit id="net.bytebuddy.byte-buddy" version="1.9.0.v20181107-1410"/>
@@ -41,22 +41,24 @@
       <unit id="net.i2p.crypto.eddsa.source" version="0.3.0.v20181102-1323"/>
       <unit id="org.apache.ant" version="1.10.7.v20190926-0324"/>
       <unit id="org.apache.ant.source" version="1.10.7.v20190926-0324"/>
-      <unit id="org.apache.commons.codec" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.codec.source" version="1.10.0.v20180409-1845"/>
-      <unit id="org.apache.commons.compress" version="1.18.0.v20181121-2221"/>
-      <unit id="org.apache.commons.compress.source" version="1.18.0.v20181121-2221"/>
+      <unit id="org.apache.commons.codec" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.codec.source" version="1.13.0.v20200108-0001"/>
+      <unit id="org.apache.commons.compress" version="1.19.0.v20200106-2343"/>
+      <unit id="org.apache.commons.compress.source" version="1.19.0.v20200106-2343"/>
       <unit id="org.apache.commons.logging" version="1.2.0.v20180409-1502"/>
       <unit id="org.apache.commons.logging.source" version="1.2.0.v20180409-1502"/>
-      <unit id="org.apache.httpcomponents.httpclient" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.6.v20190503-0009"/>
-      <unit id="org.apache.httpcomponents.httpcore" version="4.4.10.v20190123-2214"/>
-      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.10.v20190123-2214"/>
+      <unit id="org.apache.httpcomponents.httpclient" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpclient.source" version="4.5.10.v20200114-1512"/>
+      <unit id="org.apache.httpcomponents.httpcore" version="4.4.12.v20200108-1212"/>
+      <unit id="org.apache.httpcomponents.httpcore.source" version="4.4.12.v20200108-1212"/>
       <unit id="org.apache.log4j" version="1.2.15.v201012070815"/>
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.apache.sshd.osgi" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.osgi.source" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp" version="2.2.0.v20190425-2127"/>
       <unit id="org.apache.sshd.sftp.source" version="2.2.0.v20190425-2127"/>
+      <unit id="org.assertj" version="3.14.0.v20200120-1926"/>
+      <unit id="org.assertj.source" version="3.14.0.v20200120-1926"/>
       <unit id="org.bouncycastle.bcpg" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpg.source" version="1.64.0.v20191109-0815"/>
       <unit id="org.bouncycastle.bcpkix" version="1.64.0.v20191109-0815"/>
@@ -68,8 +70,8 @@
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
       <unit id="org.hamcrest.library.source" version="1.3.0.v20180524-2246"/>
-      <unit id="org.junit" version="4.12.0.v201504281640"/>
-      <unit id="org.junit.source" version="4.12.0.v201504281640"/>
+      <unit id="org.junit" version="4.13.0.v20200128-1312"/>
+      <unit id="org.junit.source" version="4.13.0.v20200128-1312"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
       <unit id="org.mockito" version="2.23.0.v20190527-1420"/>
@@ -82,7 +84,7 @@
       <unit id="org.slf4j.impl.log4j12.source" version="1.7.2.v20131105-2200"/>
       <unit id="org.tukaani.xz" version="1.8.0.v20180207-1613"/>
       <unit id="org.tukaani.xz.source" version="1.8.0.v20180207-1613"/>
-      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20191126223242/repository"/>
+      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/S20200128200239/repository"/>
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.osgi" version="0.0.0"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.tpd
index 9ab5a59..32321d8 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.9.tpd
@@ -1,7 +1,7 @@
 target "jgit-4.9" with source configurePhase
 
 include "projects/jetty-9.4.x.tpd"
-include "orbit/R20191126223242-2019-12.tpd"
+include "orbit/staging-2020-03.tpd"
 
 location "http://download.eclipse.org/releases/2018-09/" {
 	org.eclipse.osgi lazy
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/staging-2020-03.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/staging-2020-03.tpd
new file mode 100644
index 0000000..9269a64
--- /dev/null
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/staging-2020-03.tpd
@@ -0,0 +1,67 @@
+target "staging-2020-03" with source configurePhase
+// see http://download.eclipse.org/tools/orbit/downloads/
+
+location "https://download.eclipse.org/tools/orbit/downloads/drops/S20200128200239/repository" {
+	com.google.gson [2.8.2.v20180104-1110,2.8.2.v20180104-1110]
+	com.google.gson.source [2.8.2.v20180104-1110,2.8.2.v20180104-1110]
+	com.jcraft.jsch [0.1.55.v20190404-1902,0.1.55.v20190404-1902]
+	com.jcraft.jsch.source [0.1.55.v20190404-1902,0.1.55.v20190404-1902]
+	com.jcraft.jzlib [1.1.1.v201205102305,1.1.1.v201205102305]
+	com.jcraft.jzlib.source [1.1.1.v201205102305,1.1.1.v201205102305]
+	javaewah [1.1.7.v20200107-0831,1.1.7.v20200107-0831]
+	javaewah.source [1.1.7.v20200107-0831,1.1.7.v20200107-0831]
+	javax.servlet [3.1.0.v201410161800,3.1.0.v201410161800]
+	javax.servlet.source [3.1.0.v201410161800,3.1.0.v201410161800]
+	net.bytebuddy.byte-buddy [1.9.0.v20181107-1410,1.9.0.v20181107-1410]
+	net.bytebuddy.byte-buddy-agent [1.9.0.v20181106-1534,1.9.0.v20181106-1534]
+	net.bytebuddy.byte-buddy-agent.source [1.9.0.v20181106-1534,1.9.0.v20181106-1534]
+	net.bytebuddy.byte-buddy.source [1.9.0.v20181107-1410,1.9.0.v20181107-1410]
+	net.i2p.crypto.eddsa [0.3.0.v20181102-1323,0.3.0.v20181102-1323]
+	net.i2p.crypto.eddsa.source [0.3.0.v20181102-1323,0.3.0.v20181102-1323]
+	org.apache.ant [1.10.7.v20190926-0324,1.10.7.v20190926-0324]
+	org.apache.ant.source [1.10.7.v20190926-0324,1.10.7.v20190926-0324]
+	org.apache.commons.codec [1.13.0.v20200108-0001,1.13.0.v20200108-0001]
+	org.apache.commons.codec.source [1.13.0.v20200108-0001,1.13.0.v20200108-0001]
+	org.apache.commons.compress [1.19.0.v20200106-2343,1.19.0.v20200106-2343]
+	org.apache.commons.compress.source [1.19.0.v20200106-2343,1.19.0.v20200106-2343]
+	org.apache.commons.logging [1.2.0.v20180409-1502,1.2.0.v20180409-1502]
+	org.apache.commons.logging.source [1.2.0.v20180409-1502,1.2.0.v20180409-1502]
+	org.apache.httpcomponents.httpclient [4.5.10.v20200114-1512,4.5.10.v20200114-1512]
+	org.apache.httpcomponents.httpclient.source [4.5.10.v20200114-1512,4.5.10.v20200114-1512]
+	org.apache.httpcomponents.httpcore [4.4.12.v20200108-1212,4.4.12.v20200108-1212]
+	org.apache.httpcomponents.httpcore.source [4.4.12.v20200108-1212,4.4.12.v20200108-1212]
+	org.apache.log4j [1.2.15.v201012070815,1.2.15.v201012070815]
+	org.apache.log4j.source [1.2.15.v201012070815,1.2.15.v201012070815]
+	org.apache.sshd.osgi [2.2.0.v20190425-2127,2.2.0.v20190425-2127]
+	org.apache.sshd.osgi.source [2.2.0.v20190425-2127,2.2.0.v20190425-2127]
+	org.apache.sshd.sftp [2.2.0.v20190425-2127,2.2.0.v20190425-2127]
+	org.apache.sshd.sftp.source [2.2.0.v20190425-2127,2.2.0.v20190425-2127]
+	org.assertj [3.14.0.v20200120-1926,3.14.0.v20200120-1926]
+	org.assertj.source [3.14.0.v20200120-1926,3.14.0.v20200120-1926]
+	org.bouncycastle.bcpg [1.64.0.v20191109-0815,1.64.0.v20191109-0815]
+	org.bouncycastle.bcpg.source [1.64.0.v20191109-0815,1.64.0.v20191109-0815]
+	org.bouncycastle.bcpkix [1.64.0.v20191109-0815,1.64.0.v20191109-0815]
+	org.bouncycastle.bcpkix.source [1.64.0.v20191109-0815,1.64.0.v20191109-0815]
+	org.bouncycastle.bcprov [1.64.0.v20191109-0815,1.64.0.v20191109-0815]
+	org.bouncycastle.bcprov.source [1.64.0.v20191109-0815,1.64.0.v20191109-0815]
+	org.hamcrest [1.1.0.v20090501071000,1.1.0.v20090501071000]
+	org.hamcrest.core [1.3.0.v20180420-1519,1.3.0.v20180420-1519]
+	org.hamcrest.core.source [1.3.0.v20180420-1519,1.3.0.v20180420-1519]
+	org.hamcrest.library [1.3.0.v20180524-2246,1.3.0.v20180524-2246]
+	org.hamcrest.library.source [1.3.0.v20180524-2246,1.3.0.v20180524-2246]
+	org.junit [4.13.0.v20200128-1312,4.13.0.v20200128-1312]
+	org.junit.source [4.13.0.v20200128-1312,4.13.0.v20200128-1312]
+	org.kohsuke.args4j [2.33.0.v20160323-2218,2.33.0.v20160323-2218]
+	org.kohsuke.args4j.source [2.33.0.v20160323-2218,2.33.0.v20160323-2218]
+	org.mockito [2.23.0.v20190527-1420,2.23.0.v20190527-1420]
+	org.mockito.source [2.23.0.v20190527-1420,2.23.0.v20190527-1420]
+	org.objenesis [2.6.0.v20180420-1519,2.6.0.v20180420-1519]
+	org.objenesis.source [2.6.0.v20180420-1519,2.6.0.v20180420-1519]
+	org.slf4j.api [1.7.2.v20121108-1250,1.7.2.v20121108-1250]
+	org.slf4j.api.source [1.7.2.v20121108-1250,1.7.2.v20121108-1250]
+	org.slf4j.impl.log4j12 [1.7.2.v20131105-2200,1.7.2.v20131105-2200]
+	org.slf4j.impl.log4j12.source [1.7.2.v20131105-2200,1.7.2.v20131105-2200]
+	org.tukaani.xz [1.8.0.v20180207-1613,1.8.0.v20180207-1613]
+	org.tukaani.xz.source [1.8.0.v20180207-1613,1.8.0.v20180207-1613]
+}
+
diff --git a/org.eclipse.jgit.packaging/pom.xml b/org.eclipse.jgit.packaging/pom.xml
index ae77778..35caa3e 100644
--- a/org.eclipse.jgit.packaging/pom.xml
+++ b/org.eclipse.jgit.packaging/pom.xml
@@ -22,7 +22,7 @@
   <name>JGit Tycho Parent</name>
 
   <properties>
-    <tycho-version>1.5.1</tycho-version>
+    <tycho-version>1.6.0</tycho-version>
     <tycho-extras-version>${tycho-version}</tycho-extras-version>
     <target-platform>jgit-4.6</target-platform>
   </properties>
diff --git a/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF
index b48c1e5..a7a11b4 100644
--- a/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF
@@ -26,7 +26,7 @@
  org.eclipse.jgit.util;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.util.io;version="[5.7.0,5.8.0)",
  org.hamcrest.core;bundle-version="[1.1.0,2.0.0)",
- org.junit;version="[4.12,5.0.0)",
- org.junit.rules;version="[4.12,5.0.0)",
+ org.junit;version="[4.13,5.0.0)",
+ org.junit.rules;version="[4.13,5.0.0)",
  org.kohsuke.args4j;version="[2.33.0,3.0.0)"
 Require-Bundle: org.tukaani.xz;bundle-version="[1.3.0,2.0.0)"
diff --git a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/BlameTest.java b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/BlameTest.java
index 006039b..ea30433 100644
--- a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/BlameTest.java
+++ b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/BlameTest.java
@@ -9,6 +9,7 @@
  */
 package org.eclipse.jgit.pgm;
 
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 
 import org.eclipse.jgit.api.Git;
@@ -17,24 +18,18 @@
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.PersonIdent;
 import org.eclipse.jgit.revwalk.RevCommit;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public class BlameTest extends CLIRepositoryTestCase {
 
-	@Rule
-	public ExpectedException thrown = ExpectedException.none();
-
 	@Test
 	public void testBlameNoHead() throws Exception {
 		try (Git git = new Git(db)) {
 			writeTrashFile("inIndex.txt", "index");
 			git.add().addFilepattern("inIndex.txt").call();
 		}
-		thrown.expect(Die.class);
-		thrown.expectMessage("no such ref: HEAD");
-		execute("git blame inIndex.txt");
+		assertThrows("no such ref: HEAD", Die.class,
+				() -> execute("git blame inIndex.txt"));
 	}
 
 	@Test
@@ -68,9 +63,8 @@
 			git.commit().setMessage("initial commit").call();
 		}
 		writeTrashFile("onlyInWorkingTree.txt", "not in repo");
-		thrown.expect(Die.class);
-		thrown.expectMessage("no such path 'onlyInWorkingTree.txt' in HEAD");
-		execute("git blame onlyInWorkingTree.txt");
+		assertThrows("no such path 'onlyInWorkingTree.txt' in HEAD", Die.class,
+				() -> execute("git blame onlyInWorkingTree.txt"));
 	}
 
 	@Test
@@ -78,9 +72,8 @@
 		try (Git git = new Git(db)) {
 			git.commit().setMessage("initial commit").call();
 		}
-		thrown.expect(Die.class);
-		thrown.expectMessage("no such path 'does_not_exist.txt' in HEAD");
-		execute("git blame does_not_exist.txt");
+		assertThrows("no such path 'does_not_exist.txt' in HEAD", Die.class,
+				() -> execute("git blame does_not_exist.txt"));
 	}
 
 	@Test
@@ -88,9 +81,8 @@
 		try (Git git = new Git(db)) {
 			git.commit().setMessage("initial commit").call();
 		}
-		thrown.expect(Die.class);
-		thrown.expectMessage("no such path 'sub/does_not_exist.txt' in HEAD");
-		execute("git blame sub/does_not_exist.txt");
+		assertThrows("no such path 'sub/does_not_exist.txt' in HEAD", Die.class,
+				() -> execute("git blame sub/does_not_exist.txt"));
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Checkout.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Checkout.java
index 455abcd..98724bf 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Checkout.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Checkout.java
@@ -100,7 +100,7 @@
 						.format(CLIText.get().pathspecDidNotMatch, name), e);
 			} catch (RefAlreadyExistsException e) {
 				throw die(MessageFormat
-						.format(CLIText.get().branchAlreadyExists, name));
+						.format(CLIText.get().branchAlreadyExists, name), e);
 			} catch (CheckoutConflictException e) {
 				StringBuilder builder = new StringBuilder();
 				builder.append(CLIText.get().checkoutConflict);
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Clone.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Clone.java
index 243e99f..8f80d6d 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Clone.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Clone.java
@@ -110,7 +110,7 @@
 				outw.println(CLIText.get().clonedEmptyRepository);
 		} catch (InvalidRemoteException e) {
 			throw die(MessageFormat.format(CLIText.get().doesNotExist,
-					sourceUri));
+					sourceUri), e);
 		} finally {
 			if (db != null)
 				db.close();
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Daemon.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Daemon.java
index 29a2507..bf91025 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Daemon.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Daemon.java
@@ -11,6 +11,7 @@
 package org.eclipse.jgit.pgm;
 
 import java.io.File;
+import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.net.URISyntaxException;
 import java.text.MessageFormat;
@@ -18,12 +19,14 @@
 import java.util.List;
 import java.util.concurrent.Executors;
 
+import org.eclipse.jgit.errors.ConfigInvalidException;
 import org.eclipse.jgit.internal.ketch.KetchLeader;
 import org.eclipse.jgit.internal.ketch.KetchLeaderCache;
 import org.eclipse.jgit.internal.ketch.KetchPreReceive;
 import org.eclipse.jgit.internal.ketch.KetchSystem;
 import org.eclipse.jgit.internal.ketch.KetchText;
 import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.lib.StoredConfig;
 import org.eclipse.jgit.pgm.internal.CLIText;
 import org.eclipse.jgit.storage.file.FileBasedConfig;
 import org.eclipse.jgit.storage.file.WindowCacheConfig;
@@ -35,6 +38,7 @@
 import org.eclipse.jgit.transport.resolver.ReceivePackFactory;
 import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
 import org.eclipse.jgit.util.FS;
+import org.eclipse.jgit.util.SystemReader;
 import org.kohsuke.args4j.Argument;
 import org.kohsuke.args4j.Option;
 
@@ -87,19 +91,20 @@
 	@Override
 	protected void run() throws Exception {
 		PackConfig packConfig = new PackConfig();
-
-		if (configFile != null) {
+		StoredConfig cfg;
+		if (configFile == null) {
+			cfg = getUserConfig();
+		} else {
 			if (!configFile.exists()) {
 				throw die(MessageFormat.format(
 						CLIText.get().configFileNotFound, //
 						configFile.getAbsolutePath()));
 			}
-
-			FileBasedConfig cfg = new FileBasedConfig(configFile, FS.DETECTED);
-			cfg.load();
-			new WindowCacheConfig().fromConfig(cfg).install();
-			packConfig.fromConfig(cfg);
+			cfg = new FileBasedConfig(configFile, FS.DETECTED);
 		}
+		cfg.load();
+		new WindowCacheConfig().fromConfig(cfg).install();
+		packConfig.fromConfig(cfg);
 
 		int threads = packConfig.getThreads();
 		if (threads <= 0)
@@ -139,6 +144,16 @@
 		outw.println(MessageFormat.format(CLIText.get().listeningOn, d.getAddress()));
 	}
 
+	private StoredConfig getUserConfig() throws IOException {
+		StoredConfig userConfig = null;
+		try {
+			userConfig = SystemReader.getInstance().getUserConfig();
+		} catch (ConfigInvalidException e) {
+			throw die(e.getMessage());
+		}
+		return userConfig;
+	}
+
 	private static DaemonService service(
 			final org.eclipse.jgit.transport.Daemon d,
 			final String n) {
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/ReceivePack.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/ReceivePack.java
index cbb5d84..f570f7f 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/ReceivePack.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/ReceivePack.java
@@ -42,7 +42,7 @@
 			db = key.open(true /* must exist */);
 		} catch (RepositoryNotFoundException notFound) {
 			throw die(MessageFormat.format(CLIText.get().notAGitRepository,
-					dstGitdir.getPath()));
+					dstGitdir.getPath()), notFound);
 		} catch (IOException e) {
 			throw die(e.getMessage(), e);
 		}
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Tag.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Tag.java
index 8c39886..b408b78 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Tag.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Tag.java
@@ -74,7 +74,7 @@
 						command.call();
 					} catch (RefAlreadyExistsException e) {
 						throw die(MessageFormat.format(
-								CLIText.get().tagAlreadyExists, tagName));
+								CLIText.get().tagAlreadyExists, tagName), e);
 					}
 				}
 			} else {
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/UploadPack.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/UploadPack.java
index 69c8eb5..36103f2 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/UploadPack.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/UploadPack.java
@@ -50,7 +50,7 @@
 			up.upload(ins, outs, errs);
 		} catch (RepositoryNotFoundException notFound) {
 			throw die(MessageFormat.format(CLIText.get().notAGitRepository,
-					srcGitdir.getPath()));
+					srcGitdir.getPath()), notFound);
 		} catch (IOException e) {
 			throw die(e.getMessage(), e);
 		}
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildCommitGraph.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildCommitGraph.java
index ddd48da..8d884c1 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildCommitGraph.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildCommitGraph.java
@@ -235,7 +235,9 @@
 				try {
 					lck.write(content);
 				} catch (IOException ioe) {
-					throw new ObjectWritingException(MessageFormat.format(CLIText.get().cantWrite, file));
+					throw new ObjectWritingException(
+							MessageFormat.format(CLIText.get().cantWrite, file),
+							ioe);
 				}
 				if (!lck.commit())
 					throw new ObjectWritingException(MessageFormat.format(CLIText.get().cantWrite, file));
@@ -266,7 +268,9 @@
 						errw.println(MessageFormat.format(CLIText.get().skippingObject, type, name));
 						continue;
 					}
-					throw new MissingObjectException(id, type);
+					MissingObjectException mue1 = new MissingObjectException(id, type);
+					mue1.initCause(mue);
+					throw mue1;
 				}
 				refs.put(name, new ObjectIdRef.Unpeeled(Ref.Storage.PACKED,
 						name, id));
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowPackDelta.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowPackDelta.java
index 6f0aba3..49f7ada 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowPackDelta.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowPackDelta.java
@@ -57,7 +57,7 @@
 			if (BinaryDelta.getResultSize(delta) != size)
 				throw die("Object " + obj.name() + " is not a delta"); //$NON-NLS-1$ //$NON-NLS-2$
 		} catch (ArrayIndexOutOfBoundsException bad) {
-			throw die("Object " + obj.name() + " is not a delta"); //$NON-NLS-1$ //$NON-NLS-2$
+			throw die("Object " + obj.name() + " is not a delta", bad); //$NON-NLS-1$ //$NON-NLS-2$
 		}
 
 		outw.println(BinaryDelta.format(delta));
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java
index 07a1bb8..d860472 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java
@@ -101,8 +101,10 @@
 		try (ObjectReader curs = clp.getRepository().newObjectReader()) {
 			p.reset(curs, clp.getRevWalk().parseTree(id));
 		} catch (MissingObjectException | IncorrectObjectTypeException e) {
-			throw new CmdLineException(clp,
+			CmdLineException cle = new CmdLineException(clp,
 					CLIText.format(CLIText.get().notATree), name);
+			cle.initCause(e);
+			throw cle;
 		} catch (IOException e) {
 			throw new CmdLineException(clp,
 					CLIText.format(CLIText.get().cannotReadBecause), name,
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java
index f521775..8b2bed36 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java
@@ -98,8 +98,10 @@
 		try {
 			c = clp.getRevWalk().parseCommit(id);
 		} catch (MissingObjectException | IncorrectObjectTypeException e) {
-			throw new CmdLineException(clp,
+			CmdLineException cle = new CmdLineException(clp,
 					CLIText.format(CLIText.get().notACommit), name);
+			cle.initCause(e);
+			throw cle;
 		} catch (IOException e) {
 			throw new CmdLineException(clp,
 					CLIText.format(CLIText.get().cannotReadBecause), name,
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java
index fa96361..357886d 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java
@@ -70,8 +70,10 @@
 		try {
 			c = clp.getRevWalk().parseTree(id);
 		} catch (MissingObjectException | IncorrectObjectTypeException e) {
-			throw new CmdLineException(clp,
+			CmdLineException cle = new CmdLineException(clp,
 					CLIText.format(CLIText.get().notATree), name);
+			cle.initCause(e);
+			throw cle;
 		} catch (IOException e) {
 			throw new CmdLineException(clp,
 					CLIText.format(CLIText.get().cannotReadBecause), name,
diff --git a/org.eclipse.jgit.ssh.apache.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.ssh.apache.test/META-INF/MANIFEST.MF
index 8fd1756..5bf2563 100644
--- a/org.eclipse.jgit.ssh.apache.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ssh.apache.test/META-INF/MANIFEST.MF
@@ -24,6 +24,6 @@
  org.eclipse.jgit.transport.ssh;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.transport.sshd;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.util;version="[5.7.0,5.8.0)",
- org.junit;version="[4.12,5.0.0)",
- org.junit.experimental.theories;version="[4.12,5.0.0)",
- org.junit.runner;version="[4.12,5.0.0)"
+ org.junit;version="[4.13,5.0.0)",
+ org.junit.experimental.theories;version="[4.13,5.0.0)",
+ org.junit.runner;version="[4.13,5.0.0)"
diff --git a/org.eclipse.jgit.test/BUILD b/org.eclipse.jgit.test/BUILD
index 3d48796..b34ef2a 100644
--- a/org.eclipse.jgit.test/BUILD
+++ b/org.eclipse.jgit.test/BUILD
@@ -55,6 +55,7 @@
     srcs = HELPERS,
     resources = DATA,
     deps = [
+        "//lib:assertj-core",
         "//lib:jsch",
         "//lib:junit",
         "//lib:mockito",
diff --git a/org.eclipse.jgit.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.test/META-INF/MANIFEST.MF
index d8f6bcf..18f16d9 100644
--- a/org.eclipse.jgit.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.test/META-INF/MANIFEST.MF
@@ -17,6 +17,7 @@
  org.apache.commons.compress.compressors.bzip2;version="[1.15.0,2.0)",
  org.apache.commons.compress.compressors.gzip;version="[1.15.0,2.0)",
  org.apache.commons.compress.compressors.xz;version="[1.15.0,2.0)",
+ org.assertj.core.api;version="[3.14.0,4.0.0)",
  org.bouncycastle.util.encoders;version="[1.61.0,2.0.0)",
  org.eclipse.jgit.annotations;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.api;version="[5.7.0,5.8.0)",
@@ -70,11 +71,12 @@
  org.eclipse.jgit.util;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.util.io;version="[5.7.0,5.8.0)",
  org.eclipse.jgit.util.sha1;version="[5.7.0,5.8.0)",
- org.junit;version="[4.12,5.0.0)",
- org.junit.experimental.theories;version="[4.12,5.0.0)",
- org.junit.rules;version="[4.12,5.0.0)",
- org.junit.runner;version="[4.12,5.0.0)",
- org.junit.runners;version="[4.12,5.0.0)",
+ org.junit;version="[4.13,5.0.0)",
+ org.junit.experimental.theories;version="[4.13,5.0.0)",
+ org.junit.function;version="[4.13.0,5.0.0)",
+ org.junit.rules;version="[4.13,5.0.0)",
+ org.junit.runner;version="[4.13,5.0.0)",
+ org.junit.runners;version="[4.13,5.0.0)",
  org.mockito;version="[2.23.0,3.0.0)",
  org.mockito.invocation;version="[2.23.0,3.0.0)",
  org.mockito.junit;version="[2.23.0,3.0.0)",
diff --git a/org.eclipse.jgit.test/pom.xml b/org.eclipse.jgit.test/pom.xml
index 60e6818..7ba19d4 100644
--- a/org.eclipse.jgit.test/pom.xml
+++ b/org.eclipse.jgit.test/pom.xml
@@ -66,6 +66,11 @@
     </dependency>
 
     <dependency>
+      <groupId>org.assertj</groupId>
+      <artifactId>assertj-core</artifactId>
+    </dependency>
+
+    <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
       <version>2.23.0</version>
diff --git a/org.eclipse.jgit.test/src/org/eclipse/jgit/lib/MoreAsserts.java b/org.eclipse.jgit.test/src/org/eclipse/jgit/lib/MoreAsserts.java
deleted file mode 100644
index cd0a6f1..0000000
--- a/org.eclipse.jgit.test/src/org/eclipse/jgit/lib/MoreAsserts.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2019, Google LLC and others
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Distribution License v. 1.0 which is available at
- * https://www.eclipse.org/org/documents/edl-v10.php.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-package org.eclipse.jgit.lib;
-
-/** Assertion methods. */
-public class MoreAsserts {
-	/**
-	 * Simple version of assertThrows that will be introduced in JUnit 4.13.
-	 *
-	 * @param expected
-	 *            Expected throwable class
-	 * @param r
-	 *            Runnable that is expected to throw an exception.
-	 * @return The thrown exception.
-	 */
-	public static <T extends Throwable> T assertThrows(Class<T> expected,
-			ThrowingRunnable r) {
-		try {
-			r.run();
-		} catch (Throwable actual) {
-			if (expected.isAssignableFrom(actual.getClass())) {
-				@SuppressWarnings("unchecked")
-				T toReturn = (T) actual;
-				return toReturn;
-			}
-			throw new AssertionError("Expected " + expected.getSimpleName()
-					+ ", but got " + actual.getClass().getSimpleName(), actual);
-		}
-		throw new AssertionError(
-				"Expected " + expected.getSimpleName() + " to be thrown");
-	}
-
-	public interface ThrowingRunnable {
-		void run() throws Throwable;
-	}
-
-	private MoreAsserts() {
-	}
-}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RenameBranchCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RenameBranchCommandTest.java
index 6f7ec9a..534ebd9 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RenameBranchCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RenameBranchCommandTest.java
@@ -14,6 +14,7 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 
 import org.eclipse.jgit.api.errors.RefAlreadyExistsException;
@@ -25,9 +26,7 @@
 import org.eclipse.jgit.lib.StoredConfig;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.junit.Before;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 /**
  * Unit tests of {@link RenameBranchCommand}
@@ -40,9 +39,6 @@
 
 	private Git git;
 
-	@Rule
-	public ExpectedException thrown = ExpectedException.none();
-
 	@Override
 	@Before
 	public void setUp() throws Exception {
@@ -57,8 +53,8 @@
 	@Test
 	public void renameToExisting() throws Exception {
 		assertNotNull(git.branchCreate().setName("foo").call());
-		thrown.expect(RefAlreadyExistsException.class);
-		git.branchRename().setOldName("master").setNewName("foo").call();
+		assertThrows(RefAlreadyExistsException.class, () -> git.branchRename()
+				.setOldName("master").setNewName("foo").call());
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/SecurityManagerMissingPermissionsTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/SecurityManagerMissingPermissionsTest.java
new file mode 100644
index 0000000..a07f370
--- /dev/null
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/SecurityManagerMissingPermissionsTest.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2019 Alex Jitianu <alex_jitianu@sync.ro> and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+package org.eclipse.jgit.api;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.security.Policy;
+import java.util.Collections;
+
+import org.apache.log4j.Logger;
+import org.apache.log4j.PatternLayout;
+import org.apache.log4j.WriterAppender;
+import org.eclipse.jgit.junit.RepositoryTestCase;
+import org.eclipse.jgit.util.FileUtils;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Tests that using a SecurityManager does not result in errors logged.
+ */
+public class SecurityManagerMissingPermissionsTest extends RepositoryTestCase {
+
+	/**
+	 * Collects all logging sent to the logging system.
+	 */
+	private final StringWriter errorOutputWriter = new StringWriter();
+
+	/**
+	 * Appender to intercept all logging sent to the logging system.
+	 */
+	private WriterAppender appender;
+
+	private SecurityManager originalSecurityManager;
+
+	@Override
+	@Before
+	public void setUp() throws Exception {
+		originalSecurityManager = System.getSecurityManager();
+
+		appender = new WriterAppender(
+				new PatternLayout(PatternLayout.TTCC_CONVERSION_PATTERN),
+				errorOutputWriter);
+
+		Logger.getRootLogger().addAppender(appender);
+
+		refreshPolicyAllPermission(Policy.getPolicy());
+		System.setSecurityManager(new SecurityManager());
+		super.setUp();
+	}
+
+	/**
+	 * If a SecurityManager is active a lot of {@link java.io.FilePermission}
+	 * errors are thrown and logged while initializing a repository.
+	 *
+	 * @throws Exception
+	 */
+	@Test
+	public void testCreateNewRepos_MissingPermissions() throws Exception {
+		File wcTree = new File(getTemporaryDirectory(),
+				"CreateNewRepositoryTest_testCreateNewRepos");
+
+		File marker = new File(getTemporaryDirectory(), "marker");
+		Files.write(marker.toPath(), Collections.singletonList("Can write"));
+		assertTrue("Can write in test directory", marker.isFile());
+		FileUtils.delete(marker);
+		assertFalse("Can delete in test direcory", marker.exists());
+
+		Git git = Git.init().setBare(false)
+				.setDirectory(new File(wcTree.getAbsolutePath())).call();
+
+		addRepoToClose(git.getRepository());
+
+		assertEquals("", errorOutputWriter.toString());
+	}
+
+	@Override
+	@After
+	public void tearDown() throws Exception {
+		System.setSecurityManager(originalSecurityManager);
+		Logger.getRootLogger().removeAppender(appender);
+		super.tearDown();
+	}
+
+	/**
+	 * Refresh the Java Security Policy.
+	 *
+	 * @param policy
+	 *            the policy object
+	 *
+	 * @throws IOException
+	 *             if the temporary file that contains the policy could not be
+	 *             created
+	 */
+	private static void refreshPolicyAllPermission(Policy policy)
+			throws IOException {
+		// Starting with an all permissions policy.
+		String policyString = "grant { permission java.security.AllPermission; };";
+
+		// Do not use TemporaryFilesFactory, it will create a dependency cycle
+		Path policyFile = Files.createTempFile("testpolicy", ".txt");
+
+		try {
+			Files.write(policyFile, Collections.singletonList(policyString));
+			System.setProperty("java.security.policy",
+					policyFile.toUri().toURL().toString());
+			policy.refresh();
+		} finally {
+			try {
+				Files.delete(policyFile);
+			} catch (IOException e) {
+				// Do not log; the test tests for no logging having occurred
+				e.printStackTrace();
+			}
+		}
+	}
+
+}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffEntryTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffEntryTest.java
index 3886c15..f8c7dae 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffEntryTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffEntryTest.java
@@ -13,9 +13,9 @@
 import static org.eclipse.jgit.util.FileUtils.delete;
 import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.CoreMatchers.notNullValue;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 
 import java.io.File;
@@ -26,8 +26,8 @@
 import org.eclipse.jgit.dircache.DirCache;
 import org.eclipse.jgit.dircache.DirCacheEditor;
 import org.eclipse.jgit.dircache.DirCacheEditor.PathEdit;
-import org.eclipse.jgit.internal.storage.file.FileRepository;
 import org.eclipse.jgit.dircache.DirCacheEntry;
+import org.eclipse.jgit.internal.storage.file.FileRepository;
 import org.eclipse.jgit.junit.JGitTestUtil;
 import org.eclipse.jgit.junit.RepositoryTestCase;
 import org.eclipse.jgit.lib.FileMode;
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java
index e612061..2df0ba1 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java
@@ -40,23 +40,18 @@
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThrows;
 
 import org.eclipse.jgit.internal.JGitText;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public class DfsBlockCacheConfigTest {
 
-	@Rule
-	public ExpectedException thrown = ExpectedException.none();
-
 	@Test
 	public void blockSizeNotPowerOfTwoExpectsException() {
-		thrown.expect(IllegalArgumentException.class);
-		thrown.expectMessage(is(JGitText.get().blockSizeNotPowerOf2));
-
-		new DfsBlockCacheConfig().setBlockSize(1000);
+		assertThrows(JGitText.get().blockSizeNotPowerOf2,
+				IllegalArgumentException.class,
+				() -> new DfsBlockCacheConfig().setBlockSize(1000));
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/FileReftableStackTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/FileReftableStackTest.java
index 770991e..72bff16 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/FileReftableStackTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/FileReftableStackTest.java
@@ -12,6 +12,7 @@
 
 import static org.eclipse.jgit.lib.Ref.Storage.PACKED;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 
 import java.io.File;
@@ -21,6 +22,7 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
+
 import org.eclipse.jgit.internal.storage.file.FileReftableStack.Segment;
 import org.eclipse.jgit.internal.storage.reftable.MergedReftable;
 import org.eclipse.jgit.internal.storage.reftable.RefCursor;
@@ -31,9 +33,7 @@
 import org.eclipse.jgit.util.FileUtils;
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public class FileReftableStackTest {
 
@@ -113,9 +113,6 @@
 		testCompaction(1024);
 	}
 
-	@Rule
-	public final ExpectedException thrown = ExpectedException.none();
-
 	@SuppressWarnings({ "resource", "unused" })
 	@Test
 	public void missingReftable() throws Exception {
@@ -143,9 +140,9 @@
 				}
 			}
 		}
-		thrown.expect(FileNotFoundException.class);
-		new FileReftableStack(new File(reftableDir, "refs"), reftableDir, null,
-				() -> new Config());
+		assertThrows(FileNotFoundException.class,
+				() -> new FileReftableStack(new File(reftableDir, "refs"),
+						reftableDir, null, () -> new Config()));
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/GcPackRefsTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/GcPackRefsTest.java
index 74f1aea..8baa3cc 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/GcPackRefsTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/GcPackRefsTest.java
@@ -10,13 +10,13 @@
 
 package org.eclipse.jgit.internal.storage.file;
 
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.lessThanOrEqualTo;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertThat;
 
 import java.io.File;
 import java.io.IOException;
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/ObjectDirectoryTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/ObjectDirectoryTest.java
index 97c5638..d269457 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/ObjectDirectoryTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/ObjectDirectoryTest.java
@@ -44,6 +44,7 @@
 
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 
 import java.io.File;
@@ -67,15 +68,10 @@
 import org.eclipse.jgit.storage.file.FileBasedConfig;
 import org.eclipse.jgit.util.FS;
 import org.junit.Assume;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public class ObjectDirectoryTest extends RepositoryTestCase {
 
-	@Rule
-	public ExpectedException expectedEx = ExpectedException.none();
-
 	@Test
 	public void testConcurrentInsertionOfBlobsToTheSameNewFanOutDirectory()
 			throws Exception {
@@ -199,8 +195,7 @@
 	}
 
 	@Test
-	public void testShallowFileCorrupt()
-			throws Exception {
+	public void testShallowFileCorrupt() throws Exception {
 		FileRepository repository = createBareRepository();
 		ObjectDirectory dir = repository.getObjectDatabase();
 
@@ -210,11 +205,9 @@
 				UTF_8.name())) {
 			writer.println(commit);
 		}
-
-		expectedEx.expect(IOException.class);
-		expectedEx.expectMessage(MessageFormat
-				.format(JGitText.get().badShallowLine, commit));
-		dir.getShallowCommits();
+		assertThrows(
+				MessageFormat.format(JGitText.get().badShallowLine, commit),
+				IOException.class, () -> dir.getShallowCommits());
 	}
 
 	private Collection<Callable<ObjectId>> blobInsertersForTheSameFanOutDir(
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackInserterTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackInserterTest.java
index 8e438bc..8c56480 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackInserterTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackInserterTest.java
@@ -45,15 +45,14 @@
 
 import static java.util.Comparator.comparing;
 import static java.util.stream.Collectors.toList;
-
 import static org.eclipse.jgit.lib.Constants.OBJ_BLOB;
 import static org.eclipse.jgit.lib.Constants.OBJ_COMMIT;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.greaterThan;
 import static org.hamcrest.Matchers.lessThan;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertThat;
 import static org.junit.Assert.fail;
 
 import java.io.ByteArrayInputStream;
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/T0003_BasicTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/T0003_BasicTest.java
index a6a8a17..49e8a7b 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/T0003_BasicTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/T0003_BasicTest.java
@@ -19,6 +19,7 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNotSame;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
@@ -53,13 +54,9 @@
 import org.eclipse.jgit.util.FS;
 import org.eclipse.jgit.util.FileUtils;
 import org.eclipse.jgit.util.IO;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public class T0003_BasicTest extends SampleDataRepositoryTestCase {
-	@Rule
-	public ExpectedException expectedException = ExpectedException.none();
 
 	@Test
 	public void test001_Initalize() {
@@ -311,10 +308,10 @@
 		// We won't create a tree entry with an empty filename
 		//
 		final TreeFormatter formatter = new TreeFormatter();
-		expectedException.expect(IllegalArgumentException.class);
-		expectedException.expectMessage(JGitText.get().invalidTreeZeroLengthName);
-		formatter.append("", FileMode.TREE,
-				ObjectId.fromString("4b825dc642cb6eb9a060e54bf8d69288fbee4904"));
+		assertThrows(JGitText.get().invalidTreeZeroLengthName,
+				IllegalArgumentException.class,
+				() -> formatter.append("", FileMode.TREE, ObjectId.fromString(
+						"4b825dc642cb6eb9a060e54bf8d69288fbee4904")));
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/WindowCacheGetTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/WindowCacheGetTest.java
index ca6dbfe..004d959 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/WindowCacheGetTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/WindowCacheGetTest.java
@@ -20,6 +20,8 @@
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
 import java.util.List;
 
 import org.eclipse.jgit.errors.CorruptObjectException;
@@ -33,9 +35,25 @@
 import org.eclipse.jgit.util.MutableInteger;
 import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
 
+@RunWith(Parameterized.class)
 public class WindowCacheGetTest extends SampleDataRepositoryTestCase {
 	private List<TestObject> toLoad;
+	private WindowCacheConfig cfg;
+	private boolean useStrongRefs;
+
+	@Parameters(name = "useStrongRefs={0}")
+	public static Collection<Object[]> data() {
+		return Arrays
+				.asList(new Object[][] { { Boolean.TRUE }, { Boolean.FALSE } });
+	}
+
+	public WindowCacheGetTest(Boolean useStrongRef) {
+		this.useStrongRefs = useStrongRef.booleanValue();
+	}
 
 	@Override
 	@Before
@@ -60,11 +78,12 @@
 			}
 		}
 		assertEquals(96, toLoad.size());
+		cfg = new WindowCacheConfig();
+		cfg.setPackedGitUseStrongRefs(useStrongRefs);
 	}
 
 	@Test
 	public void testCache_Defaults() throws IOException {
-		WindowCacheConfig cfg = new WindowCacheConfig();
 		cfg.install();
 		doCacheTests();
 		checkLimits(cfg);
@@ -89,7 +108,6 @@
 
 	@Test
 	public void testCache_TooFewFiles() throws IOException {
-		final WindowCacheConfig cfg = new WindowCacheConfig();
 		cfg.setPackedGitOpenFiles(2);
 		cfg.install();
 		doCacheTests();
@@ -98,7 +116,6 @@
 
 	@Test
 	public void testCache_TooSmallLimit() throws IOException {
-		final WindowCacheConfig cfg = new WindowCacheConfig();
 		cfg.setPackedGitWindowSize(4096);
 		cfg.setPackedGitLimit(4096);
 		cfg.install();
@@ -109,26 +126,31 @@
 	private static void checkLimits(WindowCacheConfig cfg) {
 		final WindowCache cache = WindowCache.getInstance();
 		WindowCacheStats s = cache.getStats();
-		assertTrue(0 < s.getAverageLoadTime());
-		assertTrue(0 < s.getOpenByteCount());
-		assertTrue(0 < s.getOpenByteCount());
-		assertTrue(0.0 < s.getAverageLoadTime());
-		assertTrue(0 <= s.getEvictionCount());
-		assertTrue(0 < s.getHitCount());
-		assertTrue(0 < s.getHitRatio());
-		assertTrue(1 > s.getHitRatio());
-		assertTrue(0 < s.getLoadCount());
-		assertTrue(0 <= s.getLoadFailureCount());
-		assertTrue(0.0 <= s.getLoadFailureRatio());
-		assertTrue(1 > s.getLoadFailureRatio());
-		assertTrue(0 < s.getLoadSuccessCount());
-		assertTrue(s.getOpenByteCount() <= cfg.getPackedGitLimit());
-		assertTrue(s.getOpenFileCount() <= cfg.getPackedGitOpenFiles());
-		assertTrue(0 <= s.getMissCount());
-		assertTrue(0 <= s.getMissRatio());
-		assertTrue(1 > s.getMissRatio());
-		assertTrue(0 < s.getRequestCount());
-		assertTrue(0 < s.getTotalLoadTime());
+		assertTrue("average load time should be > 0",
+				0 < s.getAverageLoadTime());
+		assertTrue("open byte count should be > 0", 0 < s.getOpenByteCount());
+		assertTrue("eviction count should be >= 0", 0 <= s.getEvictionCount());
+		assertTrue("hit count should be > 0", 0 < s.getHitCount());
+		assertTrue("hit ratio should be > 0", 0 < s.getHitRatio());
+		assertTrue("hit ratio should be < 1", 1 > s.getHitRatio());
+		assertTrue("load count should be > 0", 0 < s.getLoadCount());
+		assertTrue("load failure count should be >= 0",
+				0 <= s.getLoadFailureCount());
+		assertTrue("load failure ratio should be >= 0",
+				0.0 <= s.getLoadFailureRatio());
+		assertTrue("load failure ratio should be < 1",
+				1 > s.getLoadFailureRatio());
+		assertTrue("load success count should be > 0",
+				0 < s.getLoadSuccessCount());
+		assertTrue("open byte count should be <= core.packedGitLimit",
+				s.getOpenByteCount() <= cfg.getPackedGitLimit());
+		assertTrue("open file count should be <= core.packedGitOpenFiles",
+				s.getOpenFileCount() <= cfg.getPackedGitOpenFiles());
+		assertTrue("miss success count should be >= 0", 0 <= s.getMissCount());
+		assertTrue("miss ratio should be > 0", 0 <= s.getMissRatio());
+		assertTrue("miss ratio should be < 1", 1 > s.getMissRatio());
+		assertTrue("request count should be > 0", 0 < s.getRequestCount());
+		assertTrue("total load time should be > 0", 0 < s.getTotalLoadTime());
 	}
 
 	private void doCacheTests() throws IOException {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/reftable/ReftableTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/reftable/ReftableTest.java
index f73dfed..009914b 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/reftable/ReftableTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/reftable/ReftableTest.java
@@ -13,16 +13,16 @@
 import static org.eclipse.jgit.lib.Constants.HEAD;
 import static org.eclipse.jgit.lib.Constants.OBJECT_ID_LENGTH;
 import static org.eclipse.jgit.lib.Constants.R_HEADS;
-import static org.eclipse.jgit.lib.MoreAsserts.assertThrows;
 import static org.eclipse.jgit.lib.Ref.Storage.NEW;
 import static org.eclipse.jgit.lib.Ref.Storage.PACKED;
 import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/transport/http/NetscapeCookieFileTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/transport/http/NetscapeCookieFileTest.java
index 5a7a034..6c8c3ba 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/transport/http/NetscapeCookieFileTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/transport/http/NetscapeCookieFileTest.java
@@ -9,6 +9,10 @@
  */
 package org.eclipse.jgit.internal.transport.http;
 
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.Writer;
@@ -27,10 +31,8 @@
 import java.util.regex.Pattern;
 
 import org.eclipse.jgit.internal.storage.file.LockFile;
-import org.eclipse.jgit.internal.transport.http.NetscapeCookieFile;
 import org.eclipse.jgit.util.http.HttpCookiesMatcher;
 import org.hamcrest.CoreMatchers;
-import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -81,11 +83,10 @@
 		cookie = new HttpCookie("key3", "valueFromSet2");
 		cookiesExpectedMergedSet.add(cookie);
 
-		Assert.assertThat(
-				NetscapeCookieFile.mergeCookies(cookieSet1, cookieSet2),
+		assertThat(NetscapeCookieFile.mergeCookies(cookieSet1, cookieSet2),
 				HttpCookiesMatcher.containsInOrder(cookiesExpectedMergedSet));
 
-		Assert.assertThat(NetscapeCookieFile.mergeCookies(cookieSet1, null),
+		assertThat(NetscapeCookieFile.mergeCookies(cookieSet1, null),
 				HttpCookiesMatcher.containsInOrder(cookieSet1));
 	}
 
@@ -110,8 +111,7 @@
 		String expectedExpiration = String
 				.valueOf(creationDate.getTime() + (cookie.getMaxAge() * 1000));
 
-		Assert.assertThat(
-				Files.readAllLines(tmpFile, StandardCharsets.US_ASCII),
+		assertThat(Files.readAllLines(tmpFile, StandardCharsets.US_ASCII),
 				CoreMatchers
 						.equalTo(Arrays.asList("mydomain.com\tTRUE\t/\tTRUE\t"
 								+ expectedExpiration + "\tkey2\tvalue")));
@@ -136,8 +136,7 @@
 		String expectedExpiration = String
 				.valueOf(creationDate.getTime() + (cookie.getMaxAge() * 1000));
 
-		Assert.assertThat(
-				Files.readAllLines(tmpFile, StandardCharsets.US_ASCII),
+		assertThat(Files.readAllLines(tmpFile, StandardCharsets.US_ASCII),
 				CoreMatchers.equalTo(
 						Arrays.asList("domain.com\tTRUE\t/my/path\tFALSE\t"
 								+ expectedExpiration + "\tkey2\tvalue2")));
@@ -154,7 +153,7 @@
 		// now imitate another process/thread holding the lock file
 		LockFile lockFile = new LockFile(tmpFile.toFile());
 		try {
-			Assert.assertTrue("Could not acquire lock", lockFile.lock());
+			assertTrue("Could not acquire lock", lockFile.lock());
 			cookieFile.write(baseUrl);
 		} finally {
 			lockFile.unlock();
@@ -184,7 +183,7 @@
 		List<String> lines = Files.readAllLines(tmpFile,
 				StandardCharsets.US_ASCII);
 
-		Assert.assertEquals("Expected 3 lines", 3, lines.size());
+		assertEquals("Expected 3 lines", 3, lines.size());
 		assertStringMatchesPatternWithInexactNumber(lines.get(0),
 				"some-domain1\tTRUE\t/some/path1\tFALSE\t(\\d*)\tkey1\tvalueFromSimple2",
 				JAN_01_2030_NOON, 1000);
@@ -202,12 +201,12 @@
 			long delta) {
 		java.util.regex.Matcher matcher = Pattern.compile(pattern)
 				.matcher(string);
-		Assert.assertTrue("Given string '" + string + "' does not match '"
-				+ pattern + "'", matcher.matches());
+		assertTrue("Given string '" + string + "' does not match '" + pattern
+				+ "'", matcher.matches());
 		// extract numeric value
 		Long actualNumericValue = Long.decode(matcher.group(1));
 
-		Assert.assertTrue(
+		assertTrue(
 				"Value is supposed to be close to " + expectedNumericValue
 						+ " but is " + actualNumericValue + ".",
 				Math.abs(expectedNumericValue - actualNumericValue) <= delta);
@@ -238,8 +237,7 @@
 		}
 		Set<HttpCookie> actualCookies = new NetscapeCookieFile(tmpFile,
 				creationDate).getCookies(true);
-		Assert.assertThat(actualCookies,
-				HttpCookiesMatcher.containsInOrder(cookies));
+		assertThat(actualCookies, HttpCookiesMatcher.containsInOrder(cookies));
 	}
 
 	@Test
@@ -259,8 +257,7 @@
 			NetscapeCookieFile.write(writer, cookies, baseUrl, creationDate);
 		}
 		// compare original file with newly written one, they should not differ
-		Assert.assertEquals(Files.readAllLines(tmpFile),
-				Files.readAllLines(tmpFile2));
+		assertEquals(Files.readAllLines(tmpFile), Files.readAllLines(tmpFile2));
 	}
 
 	@Test
@@ -289,8 +286,7 @@
 
 		Set<HttpCookie> actualCookies = new NetscapeCookieFile(tmpFile, creationDate)
 				.getCookies(true);
-		Assert.assertThat(actualCookies,
-				HttpCookiesMatcher.containsInOrder(cookies));
+		assertThat(actualCookies, HttpCookiesMatcher.containsInOrder(cookies));
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ConfigTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ConfigTest.java
index a80d8b3..9b56917 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ConfigTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ConfigTest.java
@@ -29,6 +29,7 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
@@ -58,7 +59,6 @@
 import org.junit.After;
 import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 import org.junit.rules.TemporaryFolder;
 
 /**
@@ -76,9 +76,6 @@
 	private static final String REFS_BACKUP = "+refs/heads/*:refs/remotes/backup/*";
 
 	@Rule
-	public ExpectedException expectedEx = ExpectedException.none();
-
-	@Rule
 	public TemporaryFolder tmp = new TemporaryFolder();
 
 	@After
@@ -721,24 +718,22 @@
 	}
 
 	@Test
-	public void testIncludeInvalidName() throws ConfigInvalidException {
-		expectedEx.expect(ConfigInvalidException.class);
-		expectedEx.expectMessage(JGitText.get().invalidLineInConfigFile);
-		parse("[include]\nbar\n");
+	public void testIncludeInvalidName() {
+		assertThrows(JGitText.get().invalidLineInConfigFile,
+				ConfigInvalidException.class, () -> parse("[include]\nbar\n"));
 	}
 
 	@Test
-	public void testIncludeNoValue() throws ConfigInvalidException {
-		expectedEx.expect(ConfigInvalidException.class);
-		expectedEx.expectMessage(JGitText.get().invalidLineInConfigFile);
-		parse("[include]\npath\n");
+	public void testIncludeNoValue() {
+		assertThrows(JGitText.get().invalidLineInConfigFile,
+				ConfigInvalidException.class, () -> parse("[include]\npath\n"));
 	}
 
 	@Test
-	public void testIncludeEmptyValue() throws ConfigInvalidException {
-		expectedEx.expect(ConfigInvalidException.class);
-		expectedEx.expectMessage(JGitText.get().invalidLineInConfigFile);
-		parse("[include]\npath=\n");
+	public void testIncludeEmptyValue() {
+		assertThrows(JGitText.get().invalidLineInConfigFile,
+				ConfigInvalidException.class,
+				() -> parse("[include]\npath=\n"));
 	}
 
 	@Test
@@ -1269,25 +1264,24 @@
 	}
 
 	@Test
-	public void testTimeUnitInvalid() throws ConfigInvalidException {
-		expectedEx.expect(IllegalArgumentException.class);
-		expectedEx
-				.expectMessage("Invalid time unit value: a.a=1 monttthhh");
-		parseTime("1 monttthhh", DAYS);
+	public void testTimeUnitInvalid() {
+		assertThrows("Invalid time unit value: a.a=1 monttthhh",
+				IllegalArgumentException.class,
+				() -> parseTime("1 monttthhh", DAYS));
 	}
 
 	@Test
 	public void testTimeUnitInvalidWithSection() throws ConfigInvalidException {
 		Config c = parse("[a \"b\"]\na=1 monttthhh\n");
-		expectedEx.expect(IllegalArgumentException.class);
-		expectedEx.expectMessage("Invalid time unit value: a.b.a=1 monttthhh");
-		c.getTimeUnit("a", "b", "a", 0, DAYS);
+		assertThrows("Invalid time unit value: a.b.a=1 monttthhh",
+				IllegalArgumentException.class,
+				() -> c.getTimeUnit("a", "b", "a", 0, DAYS));
 	}
 
 	@Test
-	public void testTimeUnitNegative() throws ConfigInvalidException {
-		expectedEx.expect(IllegalArgumentException.class);
-		parseTime("-1", MILLISECONDS);
+	public void testTimeUnitNegative() {
+		assertThrows(IllegalArgumentException.class,
+				() -> parseTime("-1", MILLISECONDS));
 	}
 
 	@Test
@@ -1430,10 +1424,10 @@
 	}
 
 	@Test
-	public void testInvalidGroupHeader() throws ConfigInvalidException {
-		expectedEx.expect(ConfigInvalidException.class);
-		expectedEx.expectMessage(JGitText.get().badGroupHeader);
-		parse("[foo \"bar\" ]\nfoo=bar\n");
+	public void testInvalidGroupHeader() {
+		assertThrows(JGitText.get().badGroupHeader,
+				ConfigInvalidException.class,
+				() -> parse("[foo \"bar\" ]\nfoo=bar\n"));
 	}
 
 	@Test
@@ -1447,17 +1441,15 @@
 	}
 
 	@Test
-	public void testCrCharContinuation() throws ConfigInvalidException {
-		expectedEx.expect(ConfigInvalidException.class);
-		expectedEx.expectMessage("Bad escape: \\u000d");
-		parseEscapedValue("tr\\\rue");
+	public void testCrCharContinuation() {
+		assertThrows("Bad escape: \\u000d", ConfigInvalidException.class,
+				() -> parseEscapedValue("tr\\\rue"));
 	}
 
 	@Test
-	public void testCrEOFContinuation() throws ConfigInvalidException {
-		expectedEx.expect(ConfigInvalidException.class);
-		expectedEx.expectMessage("Bad escape: \\u000d");
-		parseEscapedValue("tr\\\r");
+	public void testCrEOFContinuation() {
+		assertThrows("Bad escape: \\u000d", ConfigInvalidException.class,
+				() -> parseEscapedValue("tr\\\r"));
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ObjectCheckerTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ObjectCheckerTest.java
index 11ed8fd..5c44c9c 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ObjectCheckerTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ObjectCheckerTest.java
@@ -34,6 +34,7 @@
 import static org.eclipse.jgit.util.RawParseUtils.decode;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.fail;
 
 import java.text.MessageFormat;
@@ -41,9 +42,7 @@
 import org.eclipse.jgit.errors.CorruptObjectException;
 import org.eclipse.jgit.internal.JGitText;
 import org.junit.Before;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public class ObjectCheckerTest {
 	private static final ObjectChecker SECRET_KEY_CHECKER = new ObjectChecker() {
@@ -84,9 +83,6 @@
 
 	private ObjectChecker checker;
 
-	@Rule
-	public final ExpectedException thrown = ExpectedException.none();
-
 	@Before
 	public void setUp() throws Exception {
 		checker = new ObjectChecker();
@@ -116,9 +112,9 @@
 	}
 
 	@Test
-	public void testCheckBlobCorrupt() throws CorruptObjectException {
-		thrown.expect(CorruptObjectException.class);
-		SECRET_KEY_CHECKER.check(OBJ_BLOB, encodeASCII("key = \"secret_key\""));
+	public void testCheckBlobCorrupt() {
+		assertThrows(CorruptObjectException.class, () -> SECRET_KEY_CHECKER
+				.check(OBJ_BLOB, encodeASCII("key = \"secret_key\"")));
 	}
 
 	@Test
@@ -129,11 +125,9 @@
 	}
 
 	@Test
-	public void testCheckBlobWithBlobObjectCheckerCorrupt()
-			throws CorruptObjectException {
-		thrown.expect(CorruptObjectException.class);
-		SECRET_KEY_BLOB_CHECKER.check(OBJ_BLOB,
-				encodeASCII("key = \"secret_key\""));
+	public void testCheckBlobWithBlobObjectCheckerCorrupt() {
+		assertThrows(CorruptObjectException.class, () -> SECRET_KEY_BLOB_CHECKER
+				.check(OBJ_BLOB, encodeASCII("key = \"secret_key\"")));
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryCacheTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryCacheTest.java
index 32dc7eb..cec69c4 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryCacheTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryCacheTest.java
@@ -11,12 +11,12 @@
 package org.eclipse.jgit.lib;
 
 import static org.hamcrest.CoreMatchers.hasItem;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNotSame;
 import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/BundleWriterTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/BundleWriterTest.java
index b5ab9d2..054eb9c 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/BundleWriterTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/BundleWriterTest.java
@@ -17,6 +17,7 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
@@ -44,36 +45,30 @@
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.revwalk.RevWalk;
 import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public class BundleWriterTest extends SampleDataRepositoryTestCase {
 
-	@Rule
-	public ExpectedException thrown = ExpectedException.none();
-
 	@Test
 	public void testEmptyBundleFails() throws Exception {
 		Repository newRepo = createBareRepository();
-		thrown.expect(TransportException.class);
-		fetchFromBundle(newRepo, new byte[0]);
+		assertThrows(TransportException.class,
+				() -> fetchFromBundle(newRepo, new byte[0]));
 	}
 
 	@Test
 	public void testNonBundleFails() throws Exception {
 		Repository newRepo = createBareRepository();
-		thrown.expect(TransportException.class);
-		fetchFromBundle(newRepo, "Not a bundle file".getBytes(UTF_8));
+		assertThrows(TransportException.class, () -> fetchFromBundle(newRepo,
+				"Not a bundle file".getBytes(UTF_8)));
 	}
 
 	@Test
 	public void testGarbageBundleFails() throws Exception {
 		Repository newRepo = createBareRepository();
-		thrown.expect(TransportException.class);
-		fetchFromBundle(newRepo,
+		assertThrows(TransportException.class, () -> fetchFromBundle(newRepo,
 				(TransportBundle.V2_BUNDLE_SIGNATURE + '\n' + "Garbage")
-						.getBytes(UTF_8));
+						.getBytes(UTF_8)));
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ProtocolV0ParserTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ProtocolV0ParserTest.java
index b55c91f..965a2fa 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ProtocolV0ParserTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ProtocolV0ParserTest.java
@@ -10,8 +10,8 @@
 package org.eclipse.jgit.transport;
 
 import static org.eclipse.jgit.transport.ObjectIdMatcher.hasOnlyObjectIds;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 
 import java.io.ByteArrayInputStream;
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ProtocolV2ParserTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ProtocolV2ParserTest.java
index e16b84f..038ce71 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ProtocolV2ParserTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ProtocolV2ParserTest.java
@@ -9,12 +9,13 @@
  */
 package org.eclipse.jgit.transport;
 
+import static org.eclipse.jgit.transport.ObjectIdMatcher.hasOnlyObjectIds;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.hasItems;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
-import static org.eclipse.jgit.transport.ObjectIdMatcher.hasOnlyObjectIds;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -27,15 +28,10 @@
 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.junit.Before;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public class ProtocolV2ParserTest {
 
-	@Rule
-	public ExpectedException thrown = ExpectedException.none();
-
 	private TestRepository<InMemoryRepository> testRepo;
 
 	@Before
@@ -236,8 +232,8 @@
 		ProtocolV2Parser parser = new ProtocolV2Parser(
 				ConfigBuilder.start().allowFilter().done());
 
-		thrown.expect(PackProtocolException.class);
-		parser.parseFetchRequest(pckIn);
+		assertThrows(PackProtocolException.class,
+				() -> parser.parseFetchRequest(pckIn));
 	}
 
 	@Test
@@ -247,8 +243,8 @@
 		ProtocolV2Parser parser = new ProtocolV2Parser(
 				ConfigBuilder.getDefault());
 
-		thrown.expect(PackProtocolException.class);
-		parser.parseFetchRequest(pckIn);
+		assertThrows(PackProtocolException.class,
+				() -> parser.parseFetchRequest(pckIn));
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/RequestValidatorTestCase.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/RequestValidatorTestCase.java
index f15fa48..cc910b3 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/RequestValidatorTestCase.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/RequestValidatorTestCase.java
@@ -9,12 +9,15 @@
  */
 package org.eclipse.jgit.transport;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.catchThrowableOfType;
+
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
 
-import org.eclipse.jgit.errors.PackProtocolException;
+import org.assertj.core.api.ThrowableAssert.ThrowingCallable;
 import org.eclipse.jgit.errors.TransportException;
 import org.eclipse.jgit.internal.storage.dfs.DfsGarbageCollector;
 import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
@@ -25,17 +28,11 @@
 import org.eclipse.jgit.revwalk.RevBlob;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.transport.UploadPack.RequestValidator;
-import org.hamcrest.Matchers;
 import org.junit.Before;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public abstract class RequestValidatorTestCase {
 
-	@Rule
-	public ExpectedException thrown = ExpectedException.none();
-
 	private RevCommit reachableCommit;
 
 	private RevCommit tipAdvertisedCommit;
@@ -111,156 +108,165 @@
 	protected abstract boolean isUnreachableBlobValid();
 
 	@Test
-	public void validateReachableCommitWithBitmaps()
-			throws PackProtocolException, IOException {
-		if (!isReachableCommitValid()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers
-					.containsString(
-							"want " + reachableCommit.name() + " not valid"));
-
-		}
-		createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
+	public void validateReachableCommitWithBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithBitmaps()),
 				Arrays.asList(reachableCommit));
-	}
-
-	@Test
-	public void validateReachableCommitWithoutBitmaps()
-			throws PackProtocolException, IOException {
 		if (!isReachableCommitValid()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + reachableCommit.name() + " not valid"));
-
+			assertTransportException(c,
+					"want " + reachableCommit.name() + " not valid");
+			return;
 		}
-		createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
+		c.call();
+	}
+
+	@Test
+	public void validateReachableCommitWithoutBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithoutBitmaps()),
 				Arrays.asList(reachableCommit));
+		if (!isReachableCommitValid()) {
+			assertTransportException(c,
+					"want " + reachableCommit.name() + " not valid");
+			return;
+		}
+		c.call();
 	}
 
 	@Test
-	public void validateAdvertisedTipWithBitmaps()
-			throws PackProtocolException, IOException {
-		if (!isAdvertisedTipValid()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + tipAdvertisedCommit.name() + " not valid"));
-
-		}
-		createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
+	public void validateAdvertisedTipWithBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithBitmaps()),
 				Arrays.asList(tipAdvertisedCommit));
-	}
-
-	@Test
-	public void validateAdvertisedTipWithoutBitmaps()
-			throws PackProtocolException, IOException {
 		if (!isAdvertisedTipValid()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + tipAdvertisedCommit.name() + " not valid"));
-
+			assertTransportException(c,
+					"want " + tipAdvertisedCommit.name() + " not valid");
+			return;
 		}
-		createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
+		c.call();
+	}
+
+	@Test
+	public void validateAdvertisedTipWithoutBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithoutBitmaps()),
 				Arrays.asList(tipAdvertisedCommit));
+		if (!isAdvertisedTipValid()) {
+			assertTransportException(c,
+					"want " + tipAdvertisedCommit.name() + " not valid");
+			return;
+		}
+		c.call();
 	}
 
 	@Test
-	public void validateUnadvertisedTipWithBitmaps()
-			throws PackProtocolException, IOException {
-		if (!isUnadvertisedTipCommitValid()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + tipUnadvertisedCommit.name() + " not valid"));
-
-		}
-		createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
+	public void validateUnadvertisedTipWithBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithBitmaps()),
 				Arrays.asList(tipUnadvertisedCommit));
-	}
-
-	@Test
-	public void validateUnadvertisedTipWithoutBitmaps()
-			throws PackProtocolException, IOException {
 		if (!isUnadvertisedTipCommitValid()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + tipUnadvertisedCommit.name() + " not valid"));
-
+			assertTransportException(c,
+					"want " + tipUnadvertisedCommit.name() + " not valid");
+			return;
 		}
-		createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
+		c.call();
+	}
+
+	@Test
+	public void validateUnadvertisedTipWithoutBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithoutBitmaps()),
 				Arrays.asList(tipUnadvertisedCommit));
-	}
-
-	@Test
-	public void validateUnreachableCommitWithBitmaps()
-			throws PackProtocolException, IOException {
-		if (!isUnreachableCommitValid()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + unreachableCommit.name() + " not valid"));
-
+		if (!isUnadvertisedTipCommitValid()) {
+			assertTransportException(c,
+					"want " + tipUnadvertisedCommit.name() + " not valid");
+			return;
 		}
-		createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
-				Arrays.asList(unreachableCommit));
+		c.call();
 	}
 
 	@Test
-	public void validateUnreachableCommitWithoutBitmaps()
-			throws PackProtocolException, IOException {
+	public void validateUnreachableCommitWithBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithBitmaps()),
+				Arrays.asList(unreachableCommit));
 		if (!isUnreachableCommitValid()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + unreachableCommit.name() + " not valid"));
-
+			assertTransportException(c,
+					"want " + unreachableCommit.name() + " not valid");
+			return;
 		}
-		createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
-				Arrays.asList(unreachableCommit));
+		c.call();
 	}
 
 	@Test
-	public void validateReachableBlobWithBitmaps()
-			throws PackProtocolException, IOException {
+	public void validateUnreachableCommitWithoutBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithoutBitmaps()),
+				Arrays.asList(unreachableCommit));
+		if (!isUnreachableCommitValid()) {
+			assertTransportException(c,
+					"want " + unreachableCommit.name() + " not valid");
+			return;
+		}
+		c.call();
+	}
+
+	@Test
+	public void validateReachableBlobWithBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithBitmaps()),
+				Arrays.asList(reachableBlob));
 		if (!isReachableBlobValid_withBitmaps()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + reachableBlob.name() + " not valid"));
+			assertTransportException(c,
+					"want " + reachableBlob.name() + " not valid");
+			return;
 		}
-		createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
-				Arrays.asList(reachableBlob));
+		c.call();
 	}
 
 	@Test
-	public void validateReachableBlobWithoutBitmaps()
-			throws PackProtocolException, IOException {
+	public void validateReachableBlobWithoutBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithoutBitmaps()),
+				Arrays.asList(reachableBlob));
 		if (!isReachableBlobValid_withoutBitmaps()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + reachableBlob.name() + " not valid"));
+			assertTransportException(c,
+					"want " + reachableBlob.name() + " not valid");
+			return;
 		}
-		createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
-				Arrays.asList(reachableBlob));
+		c.call();
 	}
 
 	@Test
-	public void validateUnreachableBlobWithBitmaps()
-			throws PackProtocolException, IOException {
-		if (!isUnreachableBlobValid()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + unreachableBlob.name() + " not valid"));
-		}
-		createValidator().checkWants(getUploadPack(getRepoWithBitmaps()),
+	public void validateUnreachableBlobWithBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithBitmaps()),
 				Arrays.asList(unreachableBlob));
+		if (!isUnreachableBlobValid()) {
+			assertTransportException(c,
+					"want " + unreachableBlob.name() + " not valid");
+			return;
+		}
+		c.call();
 	}
 
 	@Test
-	public void validateUnreachableBlobWithoutBitmaps()
-			throws PackProtocolException, IOException {
-		if (!isUnreachableBlobValid()) {
-			thrown.expect(TransportException.class);
-			thrown.expectMessage(Matchers.containsString(
-					"want " + unreachableBlob.name() + " not valid"));
-		}
-		createValidator().checkWants(getUploadPack(getRepoWithoutBitmaps()),
+	public void validateUnreachableBlobWithoutBitmaps() throws Throwable {
+		ThrowingCallable c = () -> createValidator().checkWants(
+				getUploadPack(getRepoWithoutBitmaps()),
 				Arrays.asList(unreachableBlob));
+		if (!isUnreachableBlobValid()) {
+			assertTransportException(c,
+					"want " + unreachableBlob.name() + " not valid");
+			return;
+		}
+		c.call();
+	}
+
+	private void assertTransportException(ThrowingCallable c,
+			String messageContent) throws AssertionError {
+		assertThat(catchThrowableOfType(c, TransportException.class))
+				.hasMessageContaining(messageContent);
 	}
 
 	private UploadPack getUploadPack(Repository repository) throws IOException {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/TransportHttpTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/TransportHttpTest.java
index 7fe5b59..b84b6b2 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/TransportHttpTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/TransportHttpTest.java
@@ -9,6 +9,8 @@
  */
 package org.eclipse.jgit.transport;
 
+import static org.hamcrest.MatcherAssert.assertThat;
+
 import java.io.File;
 import java.io.IOException;
 import java.net.HttpCookie;
@@ -120,7 +122,7 @@
 			cookie.setMaxAge(1234);
 			expectedCookies.add(cookie);
 
-			Assert.assertThat(
+			assertThat(
 					new NetscapeCookieFile(cookieFile.toPath())
 							.getCookies(true),
 					HttpCookiesMatcher.containsInOrder(expectedCookies, 5));
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackReachabilityTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackReachabilityTest.java
index 2c9712c..2711762 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackReachabilityTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackReachabilityTest.java
@@ -9,10 +9,10 @@
  */
 package org.eclipse.jgit.transport;
 
-import static org.eclipse.jgit.lib.MoreAsserts.assertThrows;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.containsString;
 import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 
 import java.util.Collections;
@@ -32,9 +32,7 @@
 import org.eclipse.jgit.transport.resolver.UploadPackFactory;
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 /**
  * Test combinations of:
@@ -46,9 +44,6 @@
  */
 public class UploadPackReachabilityTest {
 
-	@Rule
-	public ExpectedException thrown = ExpectedException.none();
-
 	private URIish uri;
 
 	private TestProtocol<Object> testProtocol;
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackRefSortingForReachabilityTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackRefSortingForReachabilityTest.java
index 99fe214..37c8705 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackRefSortingForReachabilityTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackRefSortingForReachabilityTest.java
@@ -10,8 +10,8 @@
 
 package org.eclipse.jgit.transport;
 
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.contains;
-import static org.junit.Assert.assertThat;
 
 import java.util.List;
 import java.util.stream.Collectors;
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackTest.java
index 108e5ed..ea86563 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackTest.java
@@ -1,6 +1,6 @@
 package org.eclipse.jgit.transport;
 
-import static org.eclipse.jgit.lib.MoreAsserts.assertThrows;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.containsInAnyOrder;
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.hasItems;
@@ -9,7 +9,7 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 
 import java.io.ByteArrayInputStream;
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/LRUMapTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/LRUMapTest.java
index f6dd9ad..c9fd0c9 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/LRUMapTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/LRUMapTest.java
@@ -9,11 +9,12 @@
  */
 package org.eclipse.jgit.util;
 
+import static org.hamcrest.MatcherAssert.assertThat;
+
 import java.util.LinkedHashMap;
 import java.util.Map;
 
 import org.hamcrest.collection.IsIterableContainingInOrder;
-import org.junit.Assert;
 import org.junit.Test;
 
 public class LRUMapTest {
@@ -38,8 +39,7 @@
 		expectedMap.put(0, 0);
 		expectedMap.put(3, 3);
 
-		Assert.assertThat(map.entrySet(),
-				IsIterableContainingInOrder
-						.contains(expectedMap.entrySet().toArray()));
+		assertThat(map.entrySet(), IsIterableContainingInOrder
+				.contains(expectedMap.entrySet().toArray()));
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_LineMapTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_LineMapTest.java
index 7ea96dd..1c2d8d7 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_LineMapTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_LineMapTest.java
@@ -13,16 +13,12 @@
 import static java.nio.charset.StandardCharsets.ISO_8859_1;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertThrows;
 
 import org.eclipse.jgit.errors.BinaryBlobException;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 public class RawParseUtils_LineMapTest {
-	@Rule
-	public ExpectedException exception = ExpectedException.none();
-
 
 	@Test
 	public void testEmpty() throws Exception {
@@ -62,8 +58,8 @@
 	@Test
 	public void testLineMapOrBinary() throws Exception {
 		final byte[] buf = "xxxfoo\nb\0ar".getBytes(ISO_8859_1);
-		exception.expect(BinaryBlobException.class);
-		RawParseUtils.lineMapOrBinary(buf, 3, buf.length);
+		assertThrows(BinaryBlobException.class,
+				() -> RawParseUtils.lineMapOrBinary(buf, 3, buf.length));
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/TimeoutOutputStreamTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/TimeoutOutputStreamTest.java
index 024f0f3..567880f 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/TimeoutOutputStreamTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/TimeoutOutputStreamTest.java
@@ -149,7 +149,9 @@
 					try {
 						Thread.sleep(1000);
 					} catch (InterruptedException e) {
-						throw new InterruptedIOException();
+						InterruptedIOException e1 = new InterruptedIOException();
+						e1.initCause(e);
+						throw e1;
 					}
 				}
 			}
@@ -202,7 +204,9 @@
 					try {
 						Thread.sleep(1000);
 					} catch (InterruptedException e) {
-						throw new InterruptedIOException();
+						InterruptedIOException e1 = new InterruptedIOException();
+						e1.initCause(e);
+						throw e1;
 					}
 				}
 			}
diff --git a/org.eclipse.jgit/.settings/.api_filters b/org.eclipse.jgit/.settings/.api_filters
index 8eb127c..92b7363 100644
--- a/org.eclipse.jgit/.settings/.api_filters
+++ b/org.eclipse.jgit/.settings/.api_filters
@@ -7,6 +7,50 @@
                 <message_argument value="CONFIG_JMX_SECTION"/>
             </message_arguments>
         </filter>
+        <filter id="1142947843">
+            <message_arguments>
+                <message_argument value="5.1.13"/>
+                <message_argument value="CONFIG_KEY_PACKED_GIT_LIMIT"/>
+            </message_arguments>
+        </filter>
+        <filter id="1142947843">
+            <message_arguments>
+                <message_argument value="5.1.13"/>
+                <message_argument value="CONFIG_KEY_PACKED_GIT_MMAP"/>
+            </message_arguments>
+        </filter>
+        <filter id="1142947843">
+            <message_arguments>
+                <message_argument value="5.1.13"/>
+                <message_argument value="CONFIG_KEY_PACKED_GIT_OPENFILES"/>
+            </message_arguments>
+        </filter>
+        <filter id="1142947843">
+            <message_arguments>
+                <message_argument value="5.1.13"/>
+                <message_argument value="CONFIG_KEY_PACKED_GIT_USE_STRONGREFS"/>
+            </message_arguments>
+        </filter>
+        <filter id="1142947843">
+            <message_arguments>
+                <message_argument value="5.1.13"/>
+                <message_argument value="CONFIG_KEY_PACKED_GIT_WINDOWSIZE"/>
+            </message_arguments>
+        </filter>
+    </resource>
+    <resource path="src/org/eclipse/jgit/storage/file/WindowCacheConfig.java" type="org.eclipse.jgit.storage.file.WindowCacheConfig">
+        <filter id="1142947843">
+            <message_arguments>
+                <message_argument value="5.1.13"/>
+                <message_argument value="isPackedGitUseStrongRefs()"/>
+            </message_arguments>
+        </filter>
+        <filter id="1142947843">
+            <message_arguments>
+                <message_argument value="5.1.13"/>
+                <message_argument value="setPackedGitUseStrongRefs(boolean)"/>
+            </message_arguments>
+        </filter>
     </resource>
     <resource path="src/org/eclipse/jgit/storage/file/WindowCacheStats.java" type="org.eclipse.jgit.storage.file.WindowCacheStats">
         <filter id="337809484">
diff --git a/org.eclipse.jgit/resources/META-INF/services/org.eclipse.jgit.transport.SshSessionFactory b/org.eclipse.jgit/resources/META-INF/services/org.eclipse.jgit.transport.SshSessionFactory
new file mode 100644
index 0000000..1f88284
--- /dev/null
+++ b/org.eclipse.jgit/resources/META-INF/services/org.eclipse.jgit.transport.SshSessionFactory
@@ -0,0 +1 @@
+org.eclipse.jgit.transport.DefaultSshSessionFactory
diff --git a/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties b/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties
index fb1bd9f..153399c 100644
--- a/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties
+++ b/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties
@@ -373,7 +373,7 @@
 invalidPath=Invalid path: {0}
 invalidPurgeFactor=Invalid purgeFactor {0}, values have to be in range between 0 and 1
 invalidRedirectLocation=Invalid redirect location {0} -> {1}
-invalidRefAdvertisementLine=Invalid ref advertisement line: ''{1}''
+invalidRefAdvertisementLine=Invalid ref advertisement line: ''{0}''
 invalidReflogRevision=Invalid reflog revision: {0}
 invalidRefName=Invalid ref name: {0}
 invalidReftableBlock=Invalid reftable block
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/CloneCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/CloneCommand.java
index 5232223..eef7940 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/CloneCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/CloneCommand.java
@@ -160,7 +160,7 @@
 			verifyDirectories(u);
 		} catch (URISyntaxException e) {
 			throw new InvalidRemoteException(
-					MessageFormat.format(JGitText.get().invalidURL, uri));
+					MessageFormat.format(JGitText.get().invalidURL, uri), e);
 		}
 		@SuppressWarnings("resource") // Closed by caller
 		Repository repository = init();
@@ -180,8 +180,9 @@
 				repository.close();
 			}
 			cleanup();
-			throw new InvalidRemoteException(MessageFormat.format(
-					JGitText.get().invalidRemote, remote));
+			throw new InvalidRemoteException(
+					MessageFormat.format(JGitText.get().invalidRemote, remote),
+					e);
 		} catch (GitAPIException | RuntimeException e) {
 			if (repository != null) {
 				repository.close();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/FetchCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/FetchCommand.java
index a4b9bcf..033dd60 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/FetchCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/FetchCommand.java
@@ -223,7 +223,7 @@
 					e.getMessage(), e);
 		} catch (URISyntaxException e) {
 			throw new InvalidRemoteException(MessageFormat.format(
-					JGitText.get().invalidRemote, remote));
+					JGitText.get().invalidRemote, remote), e);
 		} catch (NotSupportedException e) {
 			throw new JGitInternalException(
 					JGitText.get().exceptionCaughtDuringExecutionOfFetchCommand,
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/LsRemoteCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/LsRemoteCommand.java
index 12517df..a4ca309 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/LsRemoteCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/LsRemoteCommand.java
@@ -180,7 +180,7 @@
 			}
 		} catch (URISyntaxException e) {
 			throw new InvalidRemoteException(MessageFormat.format(
-					JGitText.get().invalidRemote, remote));
+					JGitText.get().invalidRemote, remote), e);
 		} catch (NotSupportedException e) {
 			throw new JGitInternalException(
 					JGitText.get().exceptionCaughtDuringExecutionOfLsRemoteCommand,
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/PushCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/PushCommand.java
index b9b15eb..aa5a634 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/PushCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/PushCommand.java
@@ -152,8 +152,9 @@
 			}
 
 		} catch (URISyntaxException e) {
-			throw new InvalidRemoteException(MessageFormat.format(
-					JGitText.get().invalidRemote, remote));
+			throw new InvalidRemoteException(
+					MessageFormat.format(JGitText.get().invalidRemote, remote),
+					e);
 		} catch (TransportException e) {
 			throw new org.eclipse.jgit.api.errors.TransportException(
 					e.getMessage(), e);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/diff/SimilarityIndex.java b/org.eclipse.jgit/src/org/eclipse/jgit/diff/SimilarityIndex.java
index fcfae65..fb6e5df 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/diff/SimilarityIndex.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/diff/SimilarityIndex.java
@@ -350,6 +350,7 @@
 		return (1 << idHashBits) * (idHashBits - 3) / idHashBits;
 	}
 
+	@SuppressWarnings("UnusedException")
 	private void grow() throws TableFullException {
 		if (idHashBits == 30)
 			throw new TableFullException();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheCheckout.java b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheCheckout.java
index bbaed37..fdc89cd 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheCheckout.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheCheckout.java
@@ -3,41 +3,14 @@
  * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
  * Copyright (C) 2008, Roger C. Soares <rogersoares@intelinet.com.br>
  * Copyright (C) 2006, Shawn O. Pearce <spearce@spearce.org>
- * Copyright (C) 2010, Chrisian Halstrick <christian.halstrick@sap.com> and
- * other copyright owners as documented in the project's IP log.
+ * Copyright (C) 2010, Chrisian Halstrick <christian.halstrick@sap.com>
+ * Copyright (C) 2019-2020, Andre Bossert <andre.bossert@siemens.com>
  *
  * This program and the accompanying materials are made available under the
- * terms of the Eclipse Distribution License v1.0 which accompanies this
- * distribution, is reproduced below, and is available at
- * http://www.eclipse.org/org/documents/edl-v10.php
+ * terms of the Eclipse Distribution License v. 1.0 which is available at
+ * https://www.eclipse.org/org/documents/edl-v10.php.
  *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * - Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 package org.eclipse.jgit.dircache;
@@ -1504,29 +1477,9 @@
 		File tmpFile = File.createTempFile(
 				"._" + name, null, parentDir); //$NON-NLS-1$
 
-		EolStreamType nonNullEolStreamType;
-		if (checkoutMetadata.eolStreamType != null) {
-			nonNullEolStreamType = checkoutMetadata.eolStreamType;
-		} else if (opt.getAutoCRLF() == AutoCRLF.TRUE) {
-			nonNullEolStreamType = EolStreamType.AUTO_CRLF;
-		} else {
-			nonNullEolStreamType = EolStreamType.DIRECT;
-		}
-		try (OutputStream channel = EolStreamTypeUtil.wrapOutputStream(
-				new FileOutputStream(tmpFile), nonNullEolStreamType)) {
-			if (checkoutMetadata.smudgeFilterCommand != null) {
-				if (FilterCommandRegistry
-						.isRegistered(checkoutMetadata.smudgeFilterCommand)) {
-					runBuiltinFilterCommand(repo, checkoutMetadata, ol,
-							channel);
-				} else {
-					runExternalFilterCommand(repo, entry, checkoutMetadata, ol,
-							fs, channel);
-				}
-			} else {
-				ol.copyTo(channel);
-			}
-		}
+		getContent(repo, entry.getPathString(), checkoutMetadata, ol, opt,
+				new FileOutputStream(tmpFile));
+
 		// The entry needs to correspond to the on-disk filesize. If the content
 		// was filtered (either by autocrlf handling or smudge filters) ask the
 		// filesystem again for the length. Otherwise the objectloader knows the
@@ -1565,11 +1518,69 @@
 		entry.setLastModified(fs.lastModifiedInstant(f));
 	}
 
+	/**
+	 * Return filtered content for a specific object (blob). EOL handling and
+	 * smudge-filter handling are applied in the same way as it would be done
+	 * during a checkout.
+	 *
+	 * @param repo
+	 *            the repository
+	 * @param path
+	 *            the path used to determine the correct filters for the object
+	 * @param checkoutMetadata
+	 *            containing
+	 *            <ul>
+	 *            <li>smudgeFilterCommand to be run for smudging the object</li>
+	 *            <li>eolStreamType used for stream conversion (can be
+	 *            null)</li>
+	 *            </ul>
+	 * @param ol
+	 *            the object loader to read raw content of the object
+	 * @param opt
+	 *            the working tree options where only 'core.autocrlf' is used
+	 *            for EOL handling if 'checkoutMetadata.eolStreamType' is not
+	 *            valid
+	 * @param os
+	 *            the output stream the filtered content is written to. The
+	 *            caller is responsible to close the stream.
+	 * @throws IOException
+	 *
+	 * @since 5.7
+	 */
+	public static void getContent(Repository repo, String path,
+			CheckoutMetadata checkoutMetadata, ObjectLoader ol,
+			WorkingTreeOptions opt, OutputStream os)
+			throws IOException {
+		EolStreamType nonNullEolStreamType;
+		if (checkoutMetadata.eolStreamType != null) {
+			nonNullEolStreamType = checkoutMetadata.eolStreamType;
+		} else if (opt.getAutoCRLF() == AutoCRLF.TRUE) {
+			nonNullEolStreamType = EolStreamType.AUTO_CRLF;
+		} else {
+			nonNullEolStreamType = EolStreamType.DIRECT;
+		}
+		try (OutputStream channel = EolStreamTypeUtil.wrapOutputStream(
+				os, nonNullEolStreamType)) {
+			if (checkoutMetadata.smudgeFilterCommand != null) {
+				if (FilterCommandRegistry
+						.isRegistered(checkoutMetadata.smudgeFilterCommand)) {
+					runBuiltinFilterCommand(repo, checkoutMetadata, ol,
+							channel);
+				} else {
+					runExternalFilterCommand(repo, path, checkoutMetadata, ol,
+							channel);
+				}
+			} else {
+				ol.copyTo(channel);
+			}
+		}
+	}
+
 	// Run an external filter command
-	private static void runExternalFilterCommand(Repository repo,
-			DirCacheEntry entry,
-			CheckoutMetadata checkoutMetadata, ObjectLoader ol, FS fs,
+	private static void runExternalFilterCommand(Repository repo, String path,
+			CheckoutMetadata checkoutMetadata, ObjectLoader ol,
 			OutputStream channel) throws IOException {
+		FS fs = repo.getFS();
 		ProcessBuilder filterProcessBuilder = fs.runInShell(
 				checkoutMetadata.smudgeFilterCommand, new String[0]);
 		filterProcessBuilder.directory(repo.getWorkTree());
@@ -1588,12 +1599,12 @@
 		} catch (IOException | InterruptedException e) {
 			throw new IOException(new FilterFailedException(e,
 					checkoutMetadata.smudgeFilterCommand,
-					entry.getPathString()));
+					path));
 		}
 		if (rc != 0) {
 			throw new IOException(new FilterFailedException(rc,
 					checkoutMetadata.smudgeFilterCommand,
-					entry.getPathString(),
+					path,
 					result.getStdout().toByteArray(MAX_EXCEPTION_TEXT_SIZE),
 					RawParseUtils.decode(result.getStderr()
 							.toByteArray(MAX_EXCEPTION_TEXT_SIZE))));
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/ManifestParser.java b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/ManifestParser.java
index 023efd8..6a2c389 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/ManifestParser.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/ManifestParser.java
@@ -139,7 +139,7 @@
 		try {
 			xr = XMLReaderFactory.createXMLReader();
 		} catch (SAXException e) {
-			throw new IOException(JGitText.get().noXMLParserAvailable);
+			throw new IOException(JGitText.get().noXMLParserAvailable, e);
 		}
 		xr.setContentHandler(this);
 		try {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
index 98f61d1..c039aaf 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
@@ -541,7 +541,7 @@
 				inputStream = new FileInputStream(manifestPath);
 			} catch (IOException e) {
 				throw new IllegalArgumentException(
-						JGitText.get().pathNotConfigured);
+						JGitText.get().pathNotConfigured, e);
 			}
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/fsck/FsckPackParser.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/fsck/FsckPackParser.java
index ad7aebc..3b94984 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/fsck/FsckPackParser.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/fsck/FsckPackParser.java
@@ -290,9 +290,12 @@
 							ErrorType.MISMATCH_CRC);
 				}
 			} catch (MissingObjectException e) {
-				throw new CorruptPackIndexException(MessageFormat
-						.format(JGitText.get().missingCRC, entry.getName()),
+				CorruptPackIndexException cpe = new CorruptPackIndexException(
+						MessageFormat.format(JGitText.get().missingCRC,
+								entry.getName()),
 						ErrorType.MISSING_CRC);
+				cpe.initCause(e);
+				throw cpe;
 			}
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java
index bee2e01..6e7ad3e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java
@@ -236,7 +236,7 @@
 						JGitText.get().enumValueNotSupported3,
 						CONFIG_CORE_SECTION,
 						CONFIG_DFS_SECTION,
-						CONFIG_KEY_STREAM_RATIO, v));
+						CONFIG_KEY_STREAM_RATIO, v), e);
 			}
 		}
 		return this;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java
index 857c173..1695870 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java
@@ -769,7 +769,8 @@
 						shallowCommitsIds.add(ObjectId.fromString(line));
 					} catch (IllegalArgumentException ex) {
 						throw new IOException(MessageFormat
-								.format(JGitText.get().badShallowLine, line));
+								.format(JGitText.get().badShallowLine, line),
+								ex);
 					}
 				}
 			}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackFile.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackFile.java
index 0de818a..984c163 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackFile.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackFile.java
@@ -1071,7 +1071,7 @@
 		} catch (DataFormatException e) {
 			throw new CorruptObjectException(MessageFormat.format(
 					JGitText.get().objectAtHasBadZlibStream, Long.valueOf(pos),
-					getPackFile()));
+					getPackFile()), e);
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectory.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectory.java
index b636db6..fddd430 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectory.java
@@ -1035,7 +1035,10 @@
 					lck.waitForStatChange();
 				} catch (InterruptedException e) {
 					lck.unlock();
-					throw new ObjectWritingException(MessageFormat.format(JGitText.get().interruptedWriting, name));
+					throw new ObjectWritingException(
+							MessageFormat.format(
+									JGitText.get().interruptedWriting, name),
+							e);
 				}
 				if (!lck.commit())
 					throw new ObjectWritingException(MessageFormat.format(JGitText.get().unableToWrite, name));
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/UnpackedObject.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/UnpackedObject.java
index 743badb..bf47d2c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/UnpackedObject.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/UnpackedObject.java
@@ -149,8 +149,10 @@
 			}
 			return new LargeObject(type, size, path, id, wc.db);
 		} catch (ZipException badStream) {
-			throw new CorruptObjectException(id,
+			CorruptObjectException coe = new CorruptObjectException(id,
 					JGitText.get().corruptObjectBadStream);
+			coe.initCause(badStream);
+			throw coe;
 		}
 	}
 
@@ -192,8 +194,10 @@
 			}
 			return size;
 		} catch (ZipException badStream) {
-			throw new CorruptObjectException(id,
+			CorruptObjectException coe = new CorruptObjectException(id,
 					JGitText.get().corruptObjectBadStream);
+			coe.initCause(badStream);
+			throw coe;
 		}
 	}
 
@@ -205,8 +209,10 @@
 			try {
 				r = inf.inflate(buf);
 			} catch (DataFormatException e) {
-				throw new CorruptObjectException(id,
+				CorruptObjectException coe = new CorruptObjectException(id,
 						JGitText.get().corruptObjectBadStream);
+				coe.initCause(e);
+				throw coe;
 			}
 			if (r != 0)
 				throw new CorruptObjectException(id,
@@ -277,8 +283,10 @@
 						remaining -= r;
 					return r;
 				} catch (ZipException badStream) {
-					throw new CorruptObjectException(id,
+					CorruptObjectException coe = new CorruptObjectException(id,
 							JGitText.get().corruptObjectBadStream);
+					coe.initCause(badStream);
+					throw coe;
 				}
 			}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCache.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCache.java
index 9e8a59f..852302f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCache.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCache.java
@@ -14,11 +14,16 @@
 import java.io.IOException;
 import java.lang.ref.ReferenceQueue;
 import java.lang.ref.SoftReference;
+import java.util.Collections;
+import java.util.Map;
 import java.util.Random;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.concurrent.atomic.AtomicReferenceArray;
 import java.util.concurrent.atomic.LongAdder;
 import java.util.concurrent.locks.ReentrantLock;
+import java.util.stream.Collectors;
 
 import org.eclipse.jgit.annotations.NonNull;
 import org.eclipse.jgit.internal.JGitText;
@@ -52,9 +57,16 @@
  * comprised of roughly 10% of the cache, and evicting the oldest accessed entry
  * within that window.
  * <p>
- * Entities created by the cache are held under SoftReferences, permitting the
+ * Entities created by the cache are held under SoftReferences if option
+ * {@code core.packedGitUseStrongRefs} is set to {@code false} in the git config
+ * (this is the default) or by calling
+ * {@link WindowCacheConfig#setPackedGitUseStrongRefs(boolean)}, permitting the
  * Java runtime's garbage collector to evict entries when heap memory gets low.
  * Most JREs implement a loose least recently used algorithm for this eviction.
+ * When this option is set to {@code true} strong references are used which
+ * means that Java gc cannot evict the WindowCache to reclaim memory. On the
+ * other hand this provides more predictable performance since the cache isn't
+ * flushed when used heap comes close to the maximum heap size.
  * <p>
  * The internal hash table does not expand at runtime, instead it is fixed in
  * size at cache creation time. The internal lock table used to gate load
@@ -71,19 +83,19 @@
  * for a given <code>(PackFile,position)</code> tuple.</li>
  * <li>For every <code>load()</code> invocation there is exactly one
  * {@link #createRef(PackFile, long, ByteWindow)} invocation to wrap a
- * SoftReference around the cached entity.</li>
+ * SoftReference or a StrongReference around the cached entity.</li>
  * <li>For every Reference created by <code>createRef()</code> there will be
- * exactly one call to {@link #clear(Ref)} to cleanup any resources associated
+ * exactly one call to {@link #clear(PageRef)} to cleanup any resources associated
  * with the (now expired) cached entity.</li>
  * </ul>
  * <p>
  * Therefore, it is safe to perform resource accounting increments during the
  * {@link #load(PackFile, long)} or
  * {@link #createRef(PackFile, long, ByteWindow)} methods, and matching
- * decrements during {@link #clear(Ref)}. Implementors may need to override
+ * decrements during {@link #clear(PageRef)}. Implementors may need to override
  * {@link #createRef(PackFile, long, ByteWindow)} in order to embed additional
  * accounting information into an implementation specific
- * {@link org.eclipse.jgit.internal.storage.file.WindowCache.Ref} subclass, as
+ * {@link org.eclipse.jgit.internal.storage.file.WindowCache.PageRef} subclass, as
  * the cached entity may have already been evicted by the JRE's garbage
  * collector.
  * <p>
@@ -143,18 +155,21 @@
 		/**
 		 * Record files opened by cache
 		 *
-		 * @param count
+		 * @param delta
 		 *            delta of number of files opened by cache
 		 */
-		void recordOpenFiles(int count);
+		void recordOpenFiles(int delta);
 
 		/**
 		 * Record cached bytes
 		 *
-		 * @param count
+		 * @param pack
+		 *            pack file the bytes are read from
+		 *
+		 * @param delta
 		 *            delta of cached bytes
 		 */
-		void recordOpenBytes(int count);
+		void recordOpenBytes(PackFile pack, int delta);
 
 		/**
 		 * Returns a snapshot of this recorder's stats. Note that this may be an
@@ -176,6 +191,7 @@
 		private final LongAdder evictionCount;
 		private final LongAdder openFileCount;
 		private final LongAdder openByteCount;
+		private final Map<String, LongAdder> openByteCountPerRepository;
 
 		/**
 		 * Constructs an instance with all counts initialized to zero.
@@ -189,6 +205,7 @@
 			evictionCount = new LongAdder();
 			openFileCount = new LongAdder();
 			openByteCount = new LongAdder();
+			openByteCountPerRepository = new ConcurrentHashMap<>();
 		}
 
 		@Override
@@ -219,13 +236,28 @@
 		}
 
 		@Override
-		public void recordOpenFiles(int count) {
-			openFileCount.add(count);
+		public void recordOpenFiles(int delta) {
+			openFileCount.add(delta);
 		}
 
 		@Override
-		public void recordOpenBytes(int count) {
-			openByteCount.add(count);
+		public void recordOpenBytes(PackFile pack, int delta) {
+			openByteCount.add(delta);
+			String repositoryId = repositoryId(pack);
+			LongAdder la = openByteCountPerRepository
+					.computeIfAbsent(repositoryId, k -> new LongAdder());
+			la.add(delta);
+			if (delta < 0) {
+				openByteCountPerRepository.computeIfPresent(repositoryId,
+						(k, v) -> v.longValue() == 0 ? null : v);
+			}
+		}
+
+		private static String repositoryId(PackFile pack) {
+			// use repository's gitdir since packfile doesn't know its
+			// repository
+			return pack.getPackFile().getParentFile().getParentFile()
+					.getParent();
 		}
 
 		@Override
@@ -282,6 +314,15 @@
 			totalLoadTime.reset();
 			evictionCount.reset();
 		}
+
+		@Override
+		public Map<String, Long> getOpenByteCountPerRepository() {
+			return Collections.unmodifiableMap(
+					openByteCountPerRepository.entrySet().stream()
+							.collect(Collectors.toMap(Map.Entry::getKey,
+									e -> Long.valueOf(e.getValue().sum()),
+									(u, v) -> v)));
+		}
 	}
 
 	private static final int bits(int newSize) {
@@ -357,8 +398,8 @@
 		cache.removeAll(pack);
 	}
 
-	/** ReferenceQueue to cleanup released and garbage collected windows. */
-	private final ReferenceQueue<ByteWindow> queue;
+	/** cleanup released and/or garbage collected windows. */
+	private final CleanupQueue queue;
 
 	/** Number of entries in {@link #table}. */
 	private final int tableSize;
@@ -392,6 +433,8 @@
 
 	private final StatsRecorderImpl mbean;
 
+	private boolean useStrongRefs;
+
 	private WindowCache(WindowCacheConfig cfg) {
 		tableSize = tableSize(cfg);
 		final int lockCount = lockCount(cfg);
@@ -400,7 +443,6 @@
 		if (lockCount < 1)
 			throw new IllegalArgumentException(JGitText.get().lockCountMustBeGreaterOrEqual1);
 
-		queue = new ReferenceQueue<>();
 		clock = new AtomicLong(1);
 		table = new AtomicReferenceArray<>(tableSize);
 		locks = new Lock[lockCount];
@@ -422,6 +464,9 @@
 		mmap = cfg.isPackedGitMMAP();
 		windowSizeShift = bits(cfg.getPackedGitWindowSize());
 		windowSize = 1 << windowSizeShift;
+		useStrongRefs = cfg.isPackedGitUseStrongRefs();
+		queue = useStrongRefs ? new StrongCleanupQueue(this)
+				: new SoftCleanupQueue(this);
 
 		mbean = new StatsRecorderImpl();
 		statsRecorder = mbean;
@@ -470,16 +515,18 @@
 		}
 	}
 
-	private Ref createRef(PackFile p, long o, ByteWindow v) {
-		final Ref ref = new Ref(p, o, v, queue);
-		statsRecorder.recordOpenBytes(ref.size);
+	private PageRef<ByteWindow> createRef(PackFile p, long o, ByteWindow v) {
+		final PageRef<ByteWindow> ref = useStrongRefs
+				? new StrongRef(p, o, v, queue)
+				: new SoftRef(p, o, v, (SoftCleanupQueue) queue);
+		statsRecorder.recordOpenBytes(ref.getPack(), ref.getSize());
 		return ref;
 	}
 
-	private void clear(Ref ref) {
-		statsRecorder.recordOpenBytes(-ref.size);
+	private void clear(PageRef<ByteWindow> ref) {
+		statsRecorder.recordOpenBytes(ref.getPack(), -ref.getSize());
 		statsRecorder.recordEvictions(1);
-		close(ref.pack);
+		close(ref.getPack());
 	}
 
 	private void close(PackFile pack) {
@@ -544,7 +591,7 @@
 			}
 
 			v = load(pack, position);
-			final Ref ref = createRef(pack, position, v);
+			final PageRef<ByteWindow> ref = createRef(pack, position, v);
 			hit(ref);
 			for (;;) {
 				final Entry n = new Entry(clean(e2), ref);
@@ -568,8 +615,8 @@
 
 	private ByteWindow scan(Entry n, PackFile pack, long position) {
 		for (; n != null; n = n.next) {
-			final Ref r = n.ref;
-			if (r.pack == pack && r.position == position) {
+			final PageRef<ByteWindow> r = n.ref;
+			if (r.getPack() == pack && r.getPosition() == position) {
 				final ByteWindow v = r.get();
 				if (v != null) {
 					hit(r);
@@ -582,7 +629,7 @@
 		return null;
 	}
 
-	private void hit(Ref r) {
+	private void hit(PageRef r) {
 		// We don't need to be 100% accurate here. Its sufficient that at least
 		// one thread performs the increment. Any other concurrent access at
 		// exactly the same time can simply use the same clock value.
@@ -592,7 +639,7 @@
 		//
 		final long c = clock.get();
 		clock.compareAndSet(c, c + 1);
-		r.lastAccess = c;
+		r.setLastAccess(c);
 	}
 
 	private void evict() {
@@ -606,7 +653,8 @@
 				for (Entry e = table.get(ptr); e != null; e = e.next) {
 					if (e.dead)
 						continue;
-					if (old == null || e.ref.lastAccess < old.ref.lastAccess) {
+					if (old == null || e.ref.getLastAccess() < old.ref
+							.getLastAccess()) {
 						old = e;
 						slot = ptr;
 					}
@@ -626,7 +674,7 @@
 	 * <p>
 	 * This is a last-ditch effort to clear out the cache, such as before it
 	 * gets replaced by another cache that is configured differently. This
-	 * method tries to force every cached entry through {@link #clear(Ref)} to
+	 * method tries to force every cached entry through {@link #clear(PageRef)} to
 	 * ensure that resources are correctly accounted for and cleaned up by the
 	 * subclass. A concurrent reader loading entries while this method is
 	 * running may cause resource accounting failures.
@@ -659,7 +707,7 @@
 			final Entry e1 = table.get(s);
 			boolean hasDead = false;
 			for (Entry e = e1; e != null; e = e.next) {
-				if (e.ref.pack == pack) {
+				if (e.ref.getPack() == pack) {
 					e.kill();
 					hasDead = true;
 				} else if (e.dead)
@@ -672,20 +720,7 @@
 	}
 
 	private void gc() {
-		Ref r;
-		while ((r = (Ref) queue.poll()) != null) {
-			clear(r);
-
-			final int s = slot(r.pack, r.position);
-			final Entry e1 = table.get(s);
-			for (Entry n = e1; n != null; n = n.next) {
-				if (n.ref == r) {
-					n.dead = true;
-					table.compareAndSet(s, e1, clean(e1));
-					break;
-				}
-			}
-		}
+		queue.gc();
 	}
 
 	private int slot(PackFile pack, long position) {
@@ -698,7 +733,7 @@
 
 	private static Entry clean(Entry top) {
 		while (top != null && top.dead) {
-			top.ref.enqueue();
+			top.ref.kill();
 			top = top.next;
 		}
 		if (top == null)
@@ -712,7 +747,7 @@
 		final Entry next;
 
 		/** The referenced object. */
-		final Ref ref;
+		final PageRef<ByteWindow> ref;
 
 		/**
 		 * Marked true when ref.get() returns null and the ref is dead.
@@ -723,34 +758,275 @@
 		 */
 		volatile boolean dead;
 
-		Entry(Entry n, Ref r) {
+		Entry(Entry n, PageRef<ByteWindow> r) {
 			next = n;
 			ref = r;
 		}
 
 		final void kill() {
 			dead = true;
-			ref.enqueue();
+			ref.kill();
 		}
 	}
 
+	private static interface PageRef<T> {
+		/**
+		 * Returns this reference object's referent. If this reference object
+		 * has been cleared, either by the program or by the garbage collector,
+		 * then this method returns <code>null</code>.
+		 *
+		 * @return The object to which this reference refers, or
+		 *         <code>null</code> if this reference object has been cleared
+		 */
+		T get();
+
+	    /**
+		 * Kill this ref
+		 *
+		 * @return <code>true</code> if this reference object was successfully
+		 *         killed; <code>false</code> if it was already killed
+		 */
+		boolean kill();
+
+		/**
+		 * Get the packfile the referenced cache page is allocated for
+		 *
+		 * @return the packfile the referenced cache page is allocated for
+		 */
+		PackFile getPack();
+
+		/**
+		 * Get the position of the referenced cache page in the packfile
+		 *
+		 * @return the position of the referenced cache page in the packfile
+		 */
+		long getPosition();
+
+		/**
+		 * Get size of cache page
+		 *
+		 * @return size of cache page
+		 */
+		int getSize();
+
+		/**
+		 * Get pseudo time of last access to this cache page
+		 *
+		 * @return pseudo time of last access to this cache page
+		 */
+		long getLastAccess();
+
+		/**
+		 * Set pseudo time of last access to this cache page
+		 *
+		 * @param time
+		 *            pseudo time of last access to this cache page
+		 */
+		void setLastAccess(long time);
+
+		/**
+		 * Whether this is a strong reference.
+		 * @return {@code true} if this is a strong reference
+		 */
+		boolean isStrongRef();
+	}
+
 	/** A soft reference wrapped around a cached object. */
-	private static class Ref extends SoftReference<ByteWindow> {
-		final PackFile pack;
+	private static class SoftRef extends SoftReference<ByteWindow>
+			implements PageRef<ByteWindow> {
+		private final PackFile pack;
 
-		final long position;
+		private final long position;
 
-		final int size;
+		private final int size;
 
-		long lastAccess;
+		private long lastAccess;
 
-		protected Ref(final PackFile pack, final long position,
-				final ByteWindow v, final ReferenceQueue<ByteWindow> queue) {
+		protected SoftRef(final PackFile pack, final long position,
+				final ByteWindow v, final SoftCleanupQueue queue) {
 			super(v, queue);
 			this.pack = pack;
 			this.position = position;
 			this.size = v.size();
 		}
+
+		@Override
+		public PackFile getPack() {
+			return pack;
+		}
+
+		@Override
+		public long getPosition() {
+			return position;
+		}
+
+		@Override
+		public int getSize() {
+			return size;
+		}
+
+		@Override
+		public long getLastAccess() {
+			return lastAccess;
+		}
+
+		@Override
+		public void setLastAccess(long time) {
+			this.lastAccess = time;
+		}
+
+		@Override
+		public boolean kill() {
+			return enqueue();
+		}
+
+		@Override
+		public boolean isStrongRef() {
+			return false;
+		}
+	}
+
+	/** A strong reference wrapped around a cached object. */
+	private static class StrongRef implements PageRef<ByteWindow> {
+		private ByteWindow referent;
+
+		private final PackFile pack;
+
+		private final long position;
+
+		private final int size;
+
+		private long lastAccess;
+
+		private CleanupQueue queue;
+
+		protected StrongRef(final PackFile pack, final long position,
+				final ByteWindow v, final CleanupQueue queue) {
+			this.pack = pack;
+			this.position = position;
+			this.referent = v;
+			this.size = v.size();
+			this.queue = queue;
+		}
+
+		@Override
+		public PackFile getPack() {
+			return pack;
+		}
+
+		@Override
+		public long getPosition() {
+			return position;
+		}
+
+		@Override
+		public int getSize() {
+			return size;
+		}
+
+		@Override
+		public long getLastAccess() {
+			return lastAccess;
+		}
+
+		@Override
+		public void setLastAccess(long time) {
+			this.lastAccess = time;
+		}
+
+		@Override
+		public ByteWindow get() {
+			return referent;
+		}
+
+		@Override
+		public boolean kill() {
+			if (referent == null) {
+				return false;
+			}
+			referent = null;
+			return queue.enqueue(this);
+		}
+
+		@Override
+		public boolean isStrongRef() {
+			return true;
+		}
+	}
+
+	private static interface CleanupQueue {
+		boolean enqueue(PageRef<ByteWindow> r);
+		void gc();
+	}
+
+	private static class SoftCleanupQueue extends ReferenceQueue<ByteWindow>
+			implements CleanupQueue {
+		private final WindowCache wc;
+
+		SoftCleanupQueue(WindowCache cache) {
+			this.wc = cache;
+		}
+
+		@Override
+		public boolean enqueue(PageRef<ByteWindow> r) {
+			// no need to explicitly add soft references which are enqueued by
+			// the JVM
+			return false;
+		}
+
+		@Override
+		public void gc() {
+			SoftRef r;
+			while ((r = (SoftRef) poll()) != null) {
+				wc.clear(r);
+
+				final int s = wc.slot(r.getPack(), r.getPosition());
+				final Entry e1 = wc.table.get(s);
+				for (Entry n = e1; n != null; n = n.next) {
+					if (n.ref == r) {
+						n.dead = true;
+						wc.table.compareAndSet(s, e1, clean(e1));
+						break;
+					}
+				}
+			}
+		}
+	}
+
+	private static class StrongCleanupQueue implements CleanupQueue {
+		private final WindowCache wc;
+
+		private final ConcurrentLinkedQueue<PageRef<ByteWindow>> queue = new ConcurrentLinkedQueue<>();
+
+		StrongCleanupQueue(WindowCache wc) {
+			this.wc = wc;
+		}
+
+		@Override
+		public boolean enqueue(PageRef<ByteWindow> r) {
+			if (queue.contains(r)) {
+				return false;
+			}
+			return queue.add(r);
+		}
+
+		@Override
+		public void gc() {
+			PageRef<ByteWindow> r;
+			while ((r = queue.poll()) != null) {
+				wc.clear(r);
+
+				final int s = wc.slot(r.getPack(), r.getPosition());
+				final Entry e1 = wc.table.get(s);
+				for (Entry n = e1; n != null; n = n.next) {
+					if (n.ref == r) {
+						n.dead = true;
+						wc.table.compareAndSet(s, e1, clean(e1));
+						break;
+					}
+				}
+			}
+		}
 	}
 
 	private static final class Lock {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java
index 33ffe07..9a6ec76 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java
@@ -1579,8 +1579,8 @@
 						if (pool.awaitTermination(60, TimeUnit.SECONDS))
 							break;
 					} catch (InterruptedException e) {
-						throw new IOException(
-								JGitText.get().packingCancelledDuringObjectsWriting);
+						throw new IOException(JGitText
+								.get().packingCancelledDuringObjectsWriting, e);
 					}
 				}
 			}
@@ -1604,7 +1604,8 @@
 				// Cross our fingers and just break out anyway.
 				//
 				throw new IOException(
-						JGitText.get().packingCancelledDuringObjectsWriting);
+						JGitText.get().packingCancelledDuringObjectsWriting,
+						ie);
 			}
 		}
 
@@ -1645,7 +1646,7 @@
 			for (Future<?> f : futures)
 				f.cancel(true);
 			throw new IOException(
-					JGitText.get().packingCancelledDuringObjectsWriting);
+					JGitText.get().packingCancelledDuringObjectsWriting, ie);
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/submodule/SubmoduleValidator.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/submodule/SubmoduleValidator.java
index 20066be..d0e2441 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/submodule/SubmoduleValidator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/submodule/SubmoduleValidator.java
@@ -165,9 +165,10 @@
 				}
 			}
 		} catch (ConfigInvalidException e) {
-			throw new SubmoduleValidationException(
-					JGitText.get().invalidGitModules,
-					GITMODULES_PARSE);
+			SubmoduleValidationException sve = new SubmoduleValidationException(
+					JGitText.get().invalidGitModules, GITMODULES_PARSE);
+			sve.initCause(e);
+			throw sve;
 		}
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/AbbreviatedObjectId.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/AbbreviatedObjectId.java
index a5e4d78..dc5e5cc 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/AbbreviatedObjectId.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/AbbreviatedObjectId.java
@@ -114,8 +114,11 @@
 			final int d = hexUInt32(bs, ptr + 24, end);
 			final int e = hexUInt32(bs, ptr + 32, end);
 			return new AbbreviatedObjectId(end - ptr, a, b, c, d, e);
-		} catch (ArrayIndexOutOfBoundsException e1) {
-			throw new InvalidObjectIdException(bs, ptr, end - ptr);
+		} catch (ArrayIndexOutOfBoundsException e) {
+			InvalidObjectIdException e1 = new InvalidObjectIdException(bs, ptr,
+					end - ptr);
+			e1.initCause(e);
+			throw e1;
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java
index c79455a..5b7afe3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java
@@ -209,6 +209,36 @@
 	/** The "streamFileThreshold" key */
 	public static final String CONFIG_KEY_STREAM_FILE_TRESHOLD = "streamFileThreshold";
 
+	/**
+	 * The "packedGitMmap" key
+	 * @since 5.1.13
+	 */
+	public static final String CONFIG_KEY_PACKED_GIT_MMAP = "packedgitmmap";
+
+	/**
+	 * The "packedGitWindowSize" key
+	 * @since 5.1.13
+	 */
+	public static final String CONFIG_KEY_PACKED_GIT_WINDOWSIZE = "packedgitwindowsize";
+
+	/**
+	 * The "packedGitLimit" key
+	 * @since 5.1.13
+	 */
+	public static final String CONFIG_KEY_PACKED_GIT_LIMIT = "packedgitlimit";
+
+	/**
+	 * The "packedGitOpenFiles" key
+	 * @since 5.1.13
+	 */
+	public static final String CONFIG_KEY_PACKED_GIT_OPENFILES = "packedgitopenfiles";
+
+	/**
+	 * The "packedGitUseStrongRefs" key
+	 * @since 5.1.13
+	 */
+	public static final String CONFIG_KEY_PACKED_GIT_USE_STRONGREFS = "packedgitusestrongrefs";
+
 	/** The "remote" key */
 	public static final String CONFIG_KEY_REMOTE = "remote";
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java
index d502274..ffc742d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java
@@ -601,7 +601,10 @@
 				throw new CorruptObjectException(id, JGitText.get().corruptObjectInvalidType);
 			}
 		} catch (ArrayIndexOutOfBoundsException bad) {
-			throw new CorruptObjectException(id, JGitText.get().corruptObjectInvalidType);
+			CorruptObjectException coe = new CorruptObjectException(id,
+					JGitText.get().corruptObjectInvalidType);
+			coe.initCause(bad);
+			throw coe;
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/DefaultTypedConfigGetter.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/DefaultTypedConfigGetter.java
index abc9b21..cc0b995 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/DefaultTypedConfigGetter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/DefaultTypedConfigGetter.java
@@ -46,7 +46,7 @@
 			return StringUtils.toBoolean(n);
 		} catch (IllegalArgumentException err) {
 			throw new IllegalArgumentException(MessageFormat.format(
-					JGitText.get().invalidBooleanValue, section, name, n));
+					JGitText.get().invalidBooleanValue, section, name, n), err);
 		}
 	}
 
@@ -152,7 +152,8 @@
 			return mul * Long.parseLong(n);
 		} catch (NumberFormatException nfe) {
 			throw new IllegalArgumentException(MessageFormat.format(
-					JGitText.get().invalidIntegerValue, section, name, str));
+					JGitText.get().invalidIntegerValue, section, name, str),
+					nfe);
 		}
 	}
 
@@ -239,7 +240,10 @@
 			return wantUnit.convert(Long.parseLong(digits) * inputMul,
 					inputUnit);
 		} catch (NumberFormatException nfe) {
-			throw notTimeUnit(section, subsection, unitName, valueString);
+			IllegalArgumentException iae = notTimeUnit(section, subsection,
+					unitName, valueString);
+			iae.initCause(nfe);
+			throw iae;
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/MutableObjectId.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/MutableObjectId.java
index 86b306d..4a712ba 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/MutableObjectId.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/MutableObjectId.java
@@ -234,9 +234,11 @@
 			w3 = RawParseUtils.parseHexInt32(bs, p + 16);
 			w4 = RawParseUtils.parseHexInt32(bs, p + 24);
 			w5 = RawParseUtils.parseHexInt32(bs, p + 32);
-		} catch (ArrayIndexOutOfBoundsException e1) {
-			throw new InvalidObjectIdException(bs, p,
+		} catch (ArrayIndexOutOfBoundsException e) {
+			InvalidObjectIdException e1 = new InvalidObjectIdException(bs, p,
 					Constants.OBJECT_ID_STRING_LENGTH);
+			e1.initCause(e);
+			throw e1;
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectId.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectId.java
index 11c0aef..269049f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectId.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectId.java
@@ -213,9 +213,11 @@
 			final int d = RawParseUtils.parseHexInt32(bs, p + 24);
 			final int e = RawParseUtils.parseHexInt32(bs, p + 32);
 			return new ObjectId(a, b, c, d, e);
-		} catch (ArrayIndexOutOfBoundsException e1) {
-			throw new InvalidObjectIdException(bs, p,
+		} catch (ArrayIndexOutOfBoundsException e) {
+			InvalidObjectIdException e1 = new InvalidObjectIdException(bs, p,
 					Constants.OBJECT_ID_STRING_LENGTH);
+			e1.initCause(e);
+			throw e1;
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java
index 503e218..a7a832c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java
@@ -550,9 +550,11 @@
 						try {
 							pnum = Integer.parseInt(parentnum);
 						} catch (NumberFormatException e) {
-							throw new RevisionSyntaxException(
+							RevisionSyntaxException rse = new RevisionSyntaxException(
 									JGitText.get().invalidCommitParentNumber,
 									revstr);
+							rse.initCause(e);
+							throw rse;
 						}
 						if (pnum != 0) {
 							RevCommit commit = (RevCommit) rev;
@@ -647,8 +649,10 @@
 					try {
 						dist = Integer.parseInt(distnum);
 					} catch (NumberFormatException e) {
-						throw new RevisionSyntaxException(
+						RevisionSyntaxException rse = new RevisionSyntaxException(
 								JGitText.get().invalidAncestryLength, revstr);
+						rse.initCause(e);
+						throw rse;
 					}
 				} else
 					dist = 1;
@@ -707,7 +711,10 @@
 							remoteConfig = new RemoteConfig(getConfig(),
 									"origin"); //$NON-NLS-1$
 						} catch (URISyntaxException e) {
-							throw new RevisionSyntaxException(revstr);
+							RevisionSyntaxException rse = new RevisionSyntaxException(
+									revstr);
+							rse.initCause(e);
+							throw rse;
 						}
 						String remoteBranchName = getConfig()
 								.getString(
@@ -874,8 +881,11 @@
 		try {
 			number = Integer.parseInt(time);
 		} catch (NumberFormatException nfe) {
-			throw new RevisionSyntaxException(MessageFormat.format(
-					JGitText.get().invalidReflogRevision, time));
+			RevisionSyntaxException rse = new RevisionSyntaxException(
+					MessageFormat.format(JGitText.get().invalidReflogRevision,
+							time));
+			rse.initCause(nfe);
+			throw rse;
 		}
 		assert number >= 0;
 		ReflogReader reader = getReflogReader(ref.getName());
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheConfig.java
index d2f3234..221353a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheConfig.java
@@ -10,6 +10,15 @@
 
 package org.eclipse.jgit.storage.file;
 
+import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_CORE_SECTION;
+import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_DELTA_BASE_CACHE_LIMIT;
+import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_PACKED_GIT_LIMIT;
+import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_PACKED_GIT_MMAP;
+import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_PACKED_GIT_OPENFILES;
+import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_PACKED_GIT_WINDOWSIZE;
+import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_STREAM_FILE_TRESHOLD;
+import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_PACKED_GIT_USE_STRONGREFS;
+
 import org.eclipse.jgit.internal.storage.file.WindowCache;
 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.storage.pack.PackConfig;
@@ -28,6 +37,8 @@
 
 	private long packedGitLimit;
 
+	private boolean useStrongRefs;
+
 	private int packedGitWindowSize;
 
 	private boolean packedGitMMAP;
@@ -42,6 +53,7 @@
 	public WindowCacheConfig() {
 		packedGitOpenFiles = 128;
 		packedGitLimit = 10 * MB;
+		useStrongRefs = false;
 		packedGitWindowSize = 8 * KB;
 		packedGitMMAP = false;
 		deltaBaseCacheLimit = 10 * MB;
@@ -93,6 +105,31 @@
 	}
 
 	/**
+	 * Get whether the window cache should use strong references or
+	 * SoftReferences
+	 *
+	 * @return {@code true} if the window cache should use strong references,
+	 *         otherwise it will use {@link java.lang.ref.SoftReference}s
+	 * @since 5.1.13
+	 */
+	public boolean isPackedGitUseStrongRefs() {
+		return useStrongRefs;
+	}
+
+	/**
+	 * Set if the cache should use strong refs or soft refs
+	 *
+	 * @param useStrongRefs
+	 *            if @{code true} the cache strongly references cache pages
+	 *            otherwise it uses {@link java.lang.ref.SoftReference}s which
+	 *            can be evicted by the Java gc if heap is almost full
+	 * @since 5.1.13
+	 */
+	public void setPackedGitUseStrongRefs(boolean useStrongRefs) {
+		this.useStrongRefs = useStrongRefs;
+	}
+
+	/**
 	 * Get size in bytes of a single window mapped or read in from the pack
 	 * file.
 	 *
@@ -194,20 +231,23 @@
 	 * @since 3.0
 	 */
 	public WindowCacheConfig fromConfig(Config rc) {
-		setPackedGitOpenFiles(rc.getInt(
-				"core", null, "packedgitopenfiles", getPackedGitOpenFiles())); //$NON-NLS-1$ //$NON-NLS-2$
-		setPackedGitLimit(rc.getLong(
-				"core", null, "packedgitlimit", getPackedGitLimit())); //$NON-NLS-1$ //$NON-NLS-2$
-		setPackedGitWindowSize(rc.getInt(
-				"core", null, "packedgitwindowsize", getPackedGitWindowSize())); //$NON-NLS-1$ //$NON-NLS-2$
-		setPackedGitMMAP(rc.getBoolean(
-				"core", null, "packedgitmmap", isPackedGitMMAP())); //$NON-NLS-1$ //$NON-NLS-2$
-		setDeltaBaseCacheLimit(rc.getInt(
-				"core", null, "deltabasecachelimit", getDeltaBaseCacheLimit())); //$NON-NLS-1$ //$NON-NLS-2$
+		setPackedGitUseStrongRefs(rc.getBoolean(CONFIG_CORE_SECTION,
+				CONFIG_KEY_PACKED_GIT_USE_STRONGREFS,
+				isPackedGitUseStrongRefs()));
+		setPackedGitOpenFiles(rc.getInt(CONFIG_CORE_SECTION, null,
+				CONFIG_KEY_PACKED_GIT_OPENFILES, getPackedGitOpenFiles()));
+		setPackedGitLimit(rc.getLong(CONFIG_CORE_SECTION, null,
+				CONFIG_KEY_PACKED_GIT_LIMIT, getPackedGitLimit()));
+		setPackedGitWindowSize(rc.getInt(CONFIG_CORE_SECTION, null,
+				CONFIG_KEY_PACKED_GIT_WINDOWSIZE, getPackedGitWindowSize()));
+		setPackedGitMMAP(rc.getBoolean(CONFIG_CORE_SECTION, null,
+				CONFIG_KEY_PACKED_GIT_MMAP, isPackedGitMMAP()));
+		setDeltaBaseCacheLimit(rc.getInt(CONFIG_CORE_SECTION, null,
+				CONFIG_KEY_DELTA_BASE_CACHE_LIMIT, getDeltaBaseCacheLimit()));
 
 		long maxMem = Runtime.getRuntime().maxMemory();
-		long sft = rc.getLong(
-				"core", null, "streamfilethreshold", getStreamFileThreshold()); //$NON-NLS-1$ //$NON-NLS-2$
+		long sft = rc.getLong(CONFIG_CORE_SECTION, null,
+				CONFIG_KEY_STREAM_FILE_TRESHOLD, getStreamFileThreshold());
 		sft = Math.min(sft, maxMem / 4); // don't use more than 1/4 of the heap
 		sft = Math.min(sft, Integer.MAX_VALUE); // cannot exceed array length
 		setStreamFileThreshold((int) sft);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheStats.java b/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheStats.java
index 2c97659..ae329b6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheStats.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheStats.java
@@ -9,6 +9,8 @@
  */
 package org.eclipse.jgit.storage.file;
 
+import java.util.Map;
+
 import javax.management.MXBean;
 
 import org.eclipse.jgit.internal.storage.file.WindowCache;
@@ -193,6 +195,13 @@
 	long getOpenByteCount();
 
 	/**
+	 * Number of bytes cached per repository
+	 *
+	 * @return number of bytes cached per repository
+	 */
+	Map<String, Long> getOpenByteCountPerRepository();
+
+	/**
 	 * Reset counters. Does not reset open bytes and open files counters.
 	 */
 	void resetCounters();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/AmazonS3.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/AmazonS3.java
index a177c29..1e7f3b1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/AmazonS3.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/AmazonS3.java
@@ -655,7 +655,8 @@
 					try {
 						xr = XMLReaderFactory.createXMLReader();
 					} catch (SAXException e) {
-						throw new IOException(JGitText.get().noXMLParserAvailable);
+						throw new IOException(
+								JGitText.get().noXMLParserAvailable, e);
 					}
 					xr.setContentHandler(this);
 					try (InputStream in = c.getInputStream()) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackConnection.java
index 8604244..1417fae 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackConnection.java
@@ -203,7 +203,9 @@
 			try {
 				id  = ObjectId.fromString(line.substring(0, 40));
 			} catch (InvalidObjectIdException e) {
-				throw invalidRefAdvertisementLine(line);
+				PackProtocolException ppe = invalidRefAdvertisementLine(line);
+				ppe.initCause(e);
+				throw ppe;
 			}
 			if (name.equals(".have")) { //$NON-NLS-1$
 				additionalHaves.add(id);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/DefaultSshSessionFactory.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/DefaultSshSessionFactory.java
index 063fb6b..afa0a11 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/DefaultSshSessionFactory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/DefaultSshSessionFactory.java
@@ -24,8 +24,10 @@
  * <p>
  * If user interactivity is required by SSH (e.g. to obtain a password), the
  * connection will immediately fail.
+ *
+ * @since 5.7
  */
-class DefaultSshSessionFactory extends JschConfigSessionFactory {
+public class DefaultSshSessionFactory extends JschConfigSessionFactory {
 	/** {@inheritDoc} */
 	@Override
 	protected void configure(OpenSshConfig.Host hc, Session session) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java
index 93800d5..c992bb1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java
@@ -286,7 +286,7 @@
 		try {
 			len = RawParseUtils.parseHexInt16(lineBuffer, 0);
 		} catch (ArrayIndexOutOfBoundsException err) {
-			throw invalidHeader();
+			throw invalidHeader(err);
 		}
 
 		if (len == 0) {
@@ -320,6 +320,12 @@
 				+ (char) lineBuffer[2] + (char) lineBuffer[3]));
 	}
 
+	private IOException invalidHeader(Throwable cause) {
+		IOException ioe = invalidHeader();
+		ioe.initCause(cause);
+		return ioe;
+	}
+
 	/**
 	 * IOException thrown by read when the configured input limit is exceeded.
 	 *
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivePack.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivePack.java
index 8ca09f8..e505e17 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivePack.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivePack.java
@@ -1725,15 +1725,17 @@
 	 *            desired status to filter by.
 	 * @return a copy of the command list containing only those commands with
 	 *         the desired status.
+	 * @since 5.7
 	 */
-	private List<ReceiveCommand> filterCommands(Result want) {
+	protected List<ReceiveCommand> filterCommands(Result want) {
 		return ReceiveCommand.filter(commands, want);
 	}
 
 	/**
 	 * Execute commands to update references.
+	 * @since 5.7
 	 */
-	private void executeCommands() {
+	protected void executeCommands() {
 		List<ReceiveCommand> toApply = filterCommands(Result.NOT_ATTEMPTED);
 		if (toApply.isEmpty())
 			return;
@@ -2108,7 +2110,7 @@
 		} catch (InputOverLimitIOException e) {
 			String msg = JGitText.get().tooManyCommands;
 			fatalError(msg);
-			throw new PackProtocolException(msg);
+			throw new PackProtocolException(msg, e);
 		} finally {
 			try {
 				close();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SshSessionFactory.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SshSessionFactory.java
index 906c4ed..e6d2042 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SshSessionFactory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SshSessionFactory.java
@@ -13,6 +13,8 @@
 
 import java.security.AccessController;
 import java.security.PrivilegedAction;
+import java.util.Iterator;
+import java.util.ServiceLoader;
 
 import org.eclipse.jgit.errors.TransportException;
 import org.eclipse.jgit.lib.Constants;
@@ -31,8 +33,16 @@
  * SshSessionFactory for the duration of the period they are using the Session.
  */
 public abstract class SshSessionFactory {
-	private static SshSessionFactory INSTANCE = new DefaultSshSessionFactory();
+	private static SshSessionFactory INSTANCE = loadSshSessionFactory();
 
+	private static SshSessionFactory loadSshSessionFactory() {
+		ServiceLoader<SshSessionFactory> loader = ServiceLoader.load(SshSessionFactory.class);
+		Iterator<SshSessionFactory> iter = loader.iterator();
+		if(iter.hasNext()) {
+			return iter.next();
+		}
+		return null;
+	}
 	/**
 	 * Get the currently configured JVM-wide factory.
 	 * <p>
@@ -53,10 +63,11 @@
 	 *            default factory will be restored.s
 	 */
 	public static void setInstance(SshSessionFactory newFactory) {
-		if (newFactory != null)
+		if (newFactory != null) {
 			INSTANCE = newFactory;
-		else
-			INSTANCE = new DefaultSshSessionFactory();
+		} else {
+			INSTANCE = loadSshSessionFactory();
+		}
 	}
 
 	/**
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TestProtocol.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TestProtocol.java
index 13b891f..c6ecb3a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TestProtocol.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TestProtocol.java
@@ -140,7 +140,7 @@
 			int n = handles.size();
 			uri = new URIish(SCHEME + "://test/conn" + n); //$NON-NLS-1$
 		} catch (URISyntaxException e) {
-			throw new IllegalStateException();
+			throw new IllegalStateException(e);
 		}
 		handles.put(uri, new Handle(req, remote));
 		return uri;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportBundleFile.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportBundleFile.java
index 155c115..04ebddb 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportBundleFile.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportBundleFile.java
@@ -113,7 +113,10 @@
 		try {
 			src = new FileInputStream(bundle);
 		} catch (FileNotFoundException err) {
-			throw new TransportException(uri, JGitText.get().notFound);
+			TransportException te = new TransportException(uri,
+					JGitText.get().notFound);
+			te.initCause(err);
+			throw te;
 		}
 		return new BundleFetchConnection(this, src);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java
index be17b44..403f98d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java
@@ -143,7 +143,10 @@
 					.setFS(local != null ? local.getFS() : FS.DETECTED)
 					.setGitDir(remoteGitDir).build();
 		} catch (IOException err) {
-			throw new TransportException(uri, JGitText.get().notAGitDirectory);
+			TransportException te = new TransportException(uri,
+					JGitText.get().notAGitDirectory);
+			te.initCause(err);
+			throw te;
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java
index 6ebb668..858d1f7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java
@@ -266,7 +266,10 @@
 				try {
 					val = parseHexByte(c1, c2);
 				} catch (ArrayIndexOutOfBoundsException e) {
-					throw new URISyntaxException(s, JGitText.get().cannotParseGitURIish);
+					URISyntaxException use = new URISyntaxException(s,
+							JGitText.get().cannotParseGitURIish);
+					use.initCause(e);
+					throw use;
 				}
 				os[j++] = (byte) val;
 				i += 2;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkEncryption.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkEncryption.java
index 1880c8b..df9f11e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkEncryption.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkEncryption.java
@@ -282,9 +282,12 @@
 		String REGEX_TRANS = "(.+)/(.+)/(.+)"; //$NON-NLS-1$
 	}
 
-	static GeneralSecurityException securityError(String message) {
-		return new GeneralSecurityException(
+	static GeneralSecurityException securityError(String message,
+			Throwable cause) {
+		GeneralSecurityException e = new GeneralSecurityException(
 				MessageFormat.format(JGitText.get().encryptionError, message));
+		e.initCause(cause);
+		return e;
 	}
 
 	/**
@@ -332,21 +335,21 @@
 			try {
 				size = Integer.parseInt(keySize);
 			} catch (Exception e) {
-				throw securityError(X_KEY_SIZE + EMPTY + keySize);
+				throw securityError(X_KEY_SIZE + EMPTY + keySize, e);
 			}
 
 			final int iter;
 			try {
 				iter = Integer.parseInt(keyIter);
 			} catch (Exception e) {
-				throw securityError(X_KEY_ITER + EMPTY + keyIter);
+				throw securityError(X_KEY_ITER + EMPTY + keyIter, e);
 			}
 
 			final byte[] salt;
 			try {
 				salt = Hex.decode(keySalt.replaceAll(REGEX_WS, EMPTY));
 			} catch (Exception e) {
-				throw securityError(X_KEY_SALT + EMPTY + keySalt);
+				throw securityError(X_KEY_SALT + EMPTY + keySalt, e);
 			}
 
 			KeySpec keySpec = new PBEKeySpec(pass.toCharArray(), salt, iter, size);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/AbstractTreeIterator.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/AbstractTreeIterator.java
index b69ff17..3ef5b29 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/AbstractTreeIterator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/AbstractTreeIterator.java
@@ -206,12 +206,10 @@
 		path = p.path;
 		pathOffset = p.pathLen + 1;
 
-		try {
-			path[pathOffset - 1] = '/';
-		} catch (ArrayIndexOutOfBoundsException e) {
+		if (pathOffset > path.length) {
 			growPath(p.pathLen);
-			path[pathOffset - 1] = '/';
 		}
+		path[pathOffset - 1] = '/';
 	}
 
 	/**
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/CanonicalTreeParser.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/CanonicalTreeParser.java
index 8a4e96c..5c3f6ae 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/CanonicalTreeParser.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/CanonicalTreeParser.java
@@ -354,14 +354,13 @@
 		tmp = pathOffset;
 		for (;; tmp++) {
 			c = raw[ptr++];
-			if (c == 0)
+			if (c == 0) {
 				break;
-			try {
-				path[tmp] = c;
-			} catch (ArrayIndexOutOfBoundsException e) {
-				growPath(tmp);
-				path[tmp] = c;
 			}
+			if (tmp >= path.length) {
+				growPath(tmp);
+			}
+			path[tmp] = c;
 		}
 		pathLen = tmp;
 		nextPtr = ptr + OBJECT_ID_LENGTH;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeIterator.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeIterator.java
index 02ca86b..2c3f3e2 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeIterator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeIterator.java
@@ -1159,7 +1159,7 @@
 			} catch (CharacterCodingException e) {
 				// This should so never happen.
 				throw new RuntimeException(MessageFormat.format(
-						JGitText.get().unencodeableFile, getName()));
+						JGitText.get().unencodeableFile, getName()), e);
 			}
 
 			encodedNameLen = b.limit();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java
index cd6647c..4156318 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> and others
+ * Copyright (C) 2008, 2020 Shawn O. Pearce <spearce@spearce.org> and others
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Distribution License v. 1.0 which is available at
@@ -49,11 +49,15 @@
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executor;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.SynchronousQueue;
+import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
@@ -200,20 +204,7 @@
 		public static final FileStoreAttributes FALLBACK_FILESTORE_ATTRIBUTES = new FileStoreAttributes(
 				FALLBACK_TIMESTAMP_RESOLUTION);
 
-		private static final Map<FileStore, FileStoreAttributes> attributeCache = new ConcurrentHashMap<>();
-
-		private static final SimpleLruCache<Path, FileStoreAttributes> attrCacheByPath = new SimpleLruCache<>(
-				100, 0.2f);
-
-		private static AtomicBoolean background = new AtomicBoolean();
-
-		private static Map<FileStore, Lock> locks = new ConcurrentHashMap<>();
-
-		private static void setBackground(boolean async) {
-			background.set(async);
-		}
-
-		private static final String javaVersionPrefix = SystemReader
+		private static final String JAVA_VERSION_PREFIX = SystemReader
 				.getInstance().getHostname() + '|'
 				+ System.getProperty("java.vendor") + '|' //$NON-NLS-1$
 				+ System.getProperty("java.version") + '|'; //$NON-NLS-1$
@@ -221,6 +212,44 @@
 		private static final Duration FALLBACK_MIN_RACY_INTERVAL = Duration
 				.ofMillis(10);
 
+		private static final Map<FileStore, FileStoreAttributes> attributeCache = new ConcurrentHashMap<>();
+
+		private static final SimpleLruCache<Path, FileStoreAttributes> attrCacheByPath = new SimpleLruCache<>(
+				100, 0.2f);
+
+		private static final AtomicBoolean background = new AtomicBoolean();
+
+		private static final Map<FileStore, Lock> locks = new ConcurrentHashMap<>();
+
+		private static final AtomicInteger threadNumber = new AtomicInteger(1);
+
+		/**
+		 * Don't use the default thread factory of the ForkJoinPool for the
+		 * CompletableFuture; it runs without any privileges, which causes
+		 * trouble if a SecurityManager is present.
+		 * <p>
+		 * Instead use normal daemon threads. They'll belong to the
+		 * SecurityManager's thread group, or use the one of the calling thread,
+		 * as appropriate.
+		 * </p>
+		 *
+		 * @see java.util.concurrent.Executors#newCachedThreadPool()
+		 */
+		private static final Executor FUTURE_RUNNER = new ThreadPoolExecutor(0,
+				5, 30L, TimeUnit.SECONDS, new SynchronousQueue<Runnable>(),
+				runnable -> {
+					Thread t = new Thread(runnable, "FileStoreAttributeReader-" //$NON-NLS-1$
+							+ threadNumber.getAndIncrement());
+					// Make sure these threads don't prevent application/JVM
+					// shutdown.
+					t.setDaemon(true);
+					return t;
+				});
+
+		private static void setBackground(boolean async) {
+			background.set(async);
+		}
+
 		/**
 		 * Configures size and purge factor of the path-based cache for file
 		 * system attributes. Caching of file system attributes avoids recurring
@@ -304,8 +333,7 @@
 								// Some earlier future might have set the value
 								// and removed itself since we checked for the
 								// value above. Hence check cache again.
-								FileStoreAttributes c = attributeCache
-										.get(s);
+								FileStoreAttributes c = attributeCache.get(s);
 								if (c != null) {
 									return Optional.of(c);
 								}
@@ -339,7 +367,7 @@
 								locks.remove(s);
 							}
 							return attributes;
-						});
+						}, FUTURE_RUNNER);
 				f = f.exceptionally(e -> {
 					LOG.error(e.getLocalizedMessage(), e);
 					return Optional.empty();
@@ -450,6 +478,11 @@
 				LOG.debug("{}: end measure timestamp resolution {} in {}", //$NON-NLS-1$
 						Thread.currentThread(), s, dir);
 				return Optional.of(fsResolution);
+			} catch (SecurityException e) {
+				// Log it here; most likely deleteProbe() below will also run
+				// into a SecurityException, and then this one will be lost
+				// without trace.
+				LOG.warn(e.getLocalizedMessage(), e);
 			} catch (AccessDeniedException e) {
 				LOG.warn(e.getLocalizedMessage(), e); // see bug 548648
 			} catch (IOException e) {
@@ -595,7 +628,7 @@
 			} else {
 				storeKey = s.name();
 			}
-			return javaVersionPrefix + storeKey;
+			return JAVA_VERSION_PREFIX + storeKey;
 		}
 
 		private static TimeUnit getUnit(long nanos) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java
index fa99087..4831fbb 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java
@@ -300,7 +300,8 @@
 			} catch (InterruptedException e) {
 				throw new IOException(
 						MessageFormat.format(JGitText.get().renameFileFailed,
-								src.getAbsolutePath(), dst.getAbsolutePath()));
+								src.getAbsolutePath(), dst.getAbsolutePath()),
+						e);
 			}
 		}
 		throw new IOException(
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutInputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutInputStream.java
index 1356136..1947b3b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutInputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutInputStream.java
@@ -70,7 +70,7 @@
 			beginRead();
 			return super.read();
 		} catch (InterruptedIOException e) {
-			throw readTimedOut();
+			throw readTimedOut(e);
 		} finally {
 			endRead();
 		}
@@ -89,7 +89,7 @@
 			beginRead();
 			return super.read(buf, off, cnt);
 		} catch (InterruptedIOException e) {
-			throw readTimedOut();
+			throw readTimedOut(e);
 		} finally {
 			endRead();
 		}
@@ -102,7 +102,7 @@
 			beginRead();
 			return super.skip(cnt);
 		} catch (InterruptedIOException e) {
-			throw readTimedOut();
+			throw readTimedOut(e);
 		} finally {
 			endRead();
 		}
@@ -116,8 +116,11 @@
 		myTimer.end();
 	}
 
-	private InterruptedIOException readTimedOut() {
-		return new InterruptedIOException(MessageFormat.format(
-				JGitText.get().readTimedOut, Integer.valueOf(timeout)));
+	private InterruptedIOException readTimedOut(InterruptedIOException e) {
+		InterruptedIOException interrupted = new InterruptedIOException(
+				MessageFormat.format(JGitText.get().readTimedOut,
+						Integer.valueOf(timeout)));
+		interrupted.initCause(e);
+		return interrupted;
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutOutputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutOutputStream.java
index 7532c42..3fbf6ff 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutOutputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutOutputStream.java
@@ -72,7 +72,7 @@
 			beginWrite();
 			dst.write(b);
 		} catch (InterruptedIOException e) {
-			throw writeTimedOut();
+			throw writeTimedOut(e);
 		} finally {
 			endWrite();
 		}
@@ -91,7 +91,7 @@
 			beginWrite();
 			dst.write(buf, off, len);
 		} catch (InterruptedIOException e) {
-			throw writeTimedOut();
+			throw writeTimedOut(e);
 		} finally {
 			endWrite();
 		}
@@ -104,7 +104,7 @@
 			beginWrite();
 			dst.flush();
 		} catch (InterruptedIOException e) {
-			throw writeTimedOut();
+			throw writeTimedOut(e);
 		} finally {
 			endWrite();
 		}
@@ -117,7 +117,7 @@
 			beginWrite();
 			dst.close();
 		} catch (InterruptedIOException e) {
-			throw writeTimedOut();
+			throw writeTimedOut(e);
 		} finally {
 			endWrite();
 		}
@@ -131,8 +131,11 @@
 		myTimer.end();
 	}
 
-	private InterruptedIOException writeTimedOut() {
-		return new InterruptedIOException(MessageFormat.format(
-				JGitText.get().writeTimedOut, Integer.valueOf(timeout)));
+	private InterruptedIOException writeTimedOut(InterruptedIOException cause) {
+		InterruptedIOException e = new InterruptedIOException(
+				MessageFormat.format(JGitText.get().writeTimedOut,
+						Integer.valueOf(timeout)));
+		e.initCause(cause);
+		return e;
 	}
 }
diff --git a/pom.xml b/pom.xml
index 2eeda67..06e2f30 100644
--- a/pom.xml
+++ b/pom.xml
@@ -155,21 +155,21 @@
     <apache-sshd-version>2.2.0</apache-sshd-version>
     <jsch-version>0.1.55</jsch-version>
     <jzlib-version>1.1.1</jzlib-version>
-    <javaewah-version>1.1.6</javaewah-version>
-    <junit-version>4.12</junit-version>
+    <javaewah-version>1.1.7</javaewah-version>
+    <junit-version>4.13</junit-version>
     <test-fork-count>1C</test-fork-count>
     <args4j-version>2.33</args4j-version>
-    <commons-compress-version>1.18</commons-compress-version>
+    <commons-compress-version>1.19</commons-compress-version>
     <osgi-core-version>4.3.1</osgi-core-version>
     <servlet-api-version>3.1.0</servlet-api-version>
     <jetty-version>9.4.25.v20191220</jetty-version>
     <japicmp-version>0.14.1</japicmp-version>
-    <httpclient-version>4.5.6</httpclient-version>
-    <httpcore-version>4.4.10</httpcore-version>
+    <httpclient-version>4.5.10</httpclient-version>
+    <httpcore-version>4.4.12</httpcore-version>
     <slf4j-version>1.7.2</slf4j-version>
     <log4j-version>1.2.15</log4j-version>
     <maven-javadoc-plugin-version>3.1.1</maven-javadoc-plugin-version>
-    <tycho-extras-version>1.5.1</tycho-extras-version>
+    <tycho-extras-version>1.6.0</tycho-extras-version>
     <gson-version>2.8.2</gson-version>
     <bouncycastle-version>1.64</bouncycastle-version>
     <spotbugs-maven-plugin-version>3.1.12.2</spotbugs-maven-plugin-version>
@@ -775,6 +775,11 @@
         <version>${bouncycastle-version}</version>
       </dependency>
 
+      <dependency>
+        <groupId>org.assertj</groupId>
+        <artifactId>assertj-core</artifactId>
+        <version>3.14.0</version>
+      </dependency>
     </dependencies>
   </dependencyManagement>
 
@@ -831,9 +836,6 @@
                 <configuration>
                   <compilerId>javac-with-errorprone</compilerId>
                   <forceJavacCompilerUse>true</forceJavacCompilerUse>
-                  <compilerArgs>
-                    <arg>-Xep:ExpectedExceptionChecker:ERROR</arg>
-                  </compilerArgs>
                   <excludes>
                     <exclude>org/eclipse/jgit/transport/InsecureCipherFactory.java</exclude>
                   </excludes>
diff --git a/tools/BUILD b/tools/BUILD
index e5931dc..2b20874 100644
--- a/tools/BUILD
+++ b/tools/BUILD
@@ -39,7 +39,6 @@
         "-Xep:ElementsCountedInLoop:ERROR",
         "-Xep:EqualsHashCode:ERROR",
         "-Xep:EqualsIncompatibleType:ERROR",
-        "-Xep:ExpectedExceptionChecker:ERROR",
         "-Xep:Finally:WARN",
         "-Xep:FloatingPointLiteralPrecision:ERROR",
         "-Xep:FragmentInjection:ERROR",
@@ -79,6 +78,7 @@
         "-Xep:TypeParameterShadowing:ERROR",
         "-Xep:TypeParameterUnusedInFormals:WARN",
         "-Xep:URLEqualsHashCode:ERROR",
+        "-Xep:UnusedException:ERROR",
         "-Xep:UnsynchronizedOverridesSynchronized:ERROR",
         "-Xep:WaitNotInLoop:ERROR",
     ],