Bump minimum required Java version to 11

Bug: 569917
Change-Id: Ifdcdb022a3f29321b4d10da1cc34acca68ed7b03
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
diff --git a/org.eclipse.jgit.ant.test/.classpath b/org.eclipse.jgit.ant.test/.classpath
index 3e5654f..73d6894 100644
--- a/org.eclipse.jgit.ant.test/.classpath
+++ b/org.eclipse.jgit.ant.test/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src">
 		<attributes>
diff --git a/org.eclipse.jgit.ant.test/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.ant.test/.settings/org.eclipse.jdt.core.prefs
index b853c6a..46c188f 100644
--- a/org.eclipse.jgit.ant.test/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.ant.test/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF
index 96edc2c..36f91c0 100644
--- a/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF
@@ -7,7 +7,7 @@
 Bundle-Vendor: %Bundle-Vendor
 Bundle-Version: 6.0.0.qualifier
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: org.apache.tools.ant,
  org.eclipse.jgit.ant.tasks;version="[6.0.0,6.1.0)",
  org.eclipse.jgit.junit;version="[6.0.0,6.1.0)",
diff --git a/org.eclipse.jgit.ant.test/build.properties b/org.eclipse.jgit.ant.test/build.properties
index 4a2d892..019f659 100644
--- a/org.eclipse.jgit.ant.test/build.properties
+++ b/org.eclipse.jgit.ant.test/build.properties
@@ -3,5 +3,5 @@
 bin.includes = plugin.properties,\
 			   META-INF/,\
 			   .
-jre.compilation.profile = JavaSE-1.8
+jre.compilation.profile = JavaSE-11
 additional.bundles = org.eclipse.jgit
diff --git a/org.eclipse.jgit.ant/.classpath b/org.eclipse.jgit.ant/.classpath
index 110168f..1fde318 100644
--- a/org.eclipse.jgit.ant/.classpath
+++ b/org.eclipse.jgit.ant/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="resources"/>
diff --git a/org.eclipse.jgit.ant/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.ant/.settings/org.eclipse.jdt.core.prefs
index 4335e66..af6aa4d 100644
--- a/org.eclipse.jgit.ant/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.ant/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.ant/META-INF/MANIFEST.MF b/org.eclipse.jgit.ant/META-INF/MANIFEST.MF
index 0118476..5b85dc4 100644
--- a/org.eclipse.jgit.ant/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ant/META-INF/MANIFEST.MF
@@ -4,7 +4,7 @@
 Automatic-Module-Name: org.eclipse.jgit.ant
 Bundle-SymbolicName: org.eclipse.jgit.ant
 Bundle-Version: 6.0.0.qualifier
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: org.apache.tools.ant,
   org.eclipse.jgit.storage.file;version="[6.0.0,6.1.0)"
 Bundle-Localization: plugin
diff --git a/org.eclipse.jgit.archive/.classpath b/org.eclipse.jgit.archive/.classpath
index 22f3064..f0d0c73 100644
--- a/org.eclipse.jgit.archive/.classpath
+++ b/org.eclipse.jgit.archive/.classpath
@@ -1,7 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/org.eclipse.jgit.archive/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.archive/.settings/org.eclipse.jdt.core.prefs
index bc7ba1e..c2ec99f 100644
--- a/org.eclipse.jgit.archive/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.archive/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=enabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.archive/META-INF/MANIFEST.MF b/org.eclipse.jgit.archive/META-INF/MANIFEST.MF
index 1441f62..6c747e7 100644
--- a/org.eclipse.jgit.archive/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.archive/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-Version: 6.0.0.qualifier
 Bundle-Vendor: %Bundle-Vendor
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: org.apache.commons.compress.archivers;version="[1.4,2.0)",
  org.apache.commons.compress.archivers.tar;version="[1.4,2.0)",
  org.apache.commons.compress.archivers.zip;version="[1.4,2.0)",
diff --git a/org.eclipse.jgit.benchmarks/.classpath b/org.eclipse.jgit.benchmarks/.classpath
index 94b727d..8dcf94e 100644
--- a/org.eclipse.jgit.benchmarks/.classpath
+++ b/org.eclipse.jgit.benchmarks/.classpath
@@ -6,7 +6,7 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
diff --git a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.core.prefs
index 74bb483..f8c4e12 100644
--- a/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.benchmarks/.settings/org.eclipse.jdt.core.prefs
@@ -10,9 +10,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -127,7 +127,7 @@
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
 org.eclipse.jdt.core.compiler.processAnnotations=enabled
 org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_additive_operator=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
diff --git a/org.eclipse.jgit.benchmarks/pom.xml b/org.eclipse.jgit.benchmarks/pom.xml
index 0bacf67..b2cd741 100644
--- a/org.eclipse.jgit.benchmarks/pom.xml
+++ b/org.eclipse.jgit.benchmarks/pom.xml
@@ -21,8 +21,10 @@
   <name>JGit - JMH based benchmarks</name>
 
   <properties>
+    <java.version>11</java.version>
+    <maven.compiler.source>${java.version}</maven.compiler.source>
+    <maven.compiler.target>${java.version}</maven.compiler.target>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <javac.target>1.8</javac.target>
     <jmh.version>1.32</jmh.version>
     <uberjar.name>benchmarks</uberjar.name>
   </properties>
@@ -74,43 +76,22 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>3.8.1</version>
         <configuration>
-          <compilerVersion>${javac.target}</compilerVersion>
-          <source>${javac.target}</source>
-          <target>${javac.target}</target>
+          <encoding>UTF-8</encoding>
+          <source>${java.version}</source>
+          <target>${java.version}</target>
+          <compilerArgs>
+            <arg>-XDcompilePolicy=simple</arg>
+            <arg>-Xplugin:ErrorProne</arg>
+          </compilerArgs>
+          <annotationProcessorPaths>
+            <path>
+              <groupId>com.google.errorprone</groupId>
+              <artifactId>error_prone_core</artifactId>
+              <version>2.4.0</version>
+            </path>
+          </annotationProcessorPaths>
           <generatedSourcesDirectory>.apt_generated</generatedSourcesDirectory>
         </configuration>
-        <executions>
-          <execution>
-            <id>compile-with-errorprone</id>
-            <phase>compile</phase>
-            <goals>
-              <goal>compile</goal>
-            </goals>
-            <configuration>
-              <compilerId>javac-with-errorprone</compilerId>
-              <forceJavacCompilerUse>true</forceJavacCompilerUse>
-            </configuration>
-          </execution>
-        </executions>
-        <dependencies>
-          <dependency>
-            <groupId>org.codehaus.plexus</groupId>
-            <artifactId>plexus-compiler-javac</artifactId>
-            <version>2.8.5</version>
-          </dependency>
-          <dependency>
-            <groupId>org.codehaus.plexus</groupId>
-            <artifactId>plexus-compiler-javac-errorprone</artifactId>
-            <version>2.8.5</version>
-          </dependency>
-          <!-- override plexus-compiler-javac-errorprone's dependency on
-               Error Prone with the latest version -->
-          <dependency>
-            <groupId>com.google.errorprone</groupId>
-            <artifactId>error_prone_core</artifactId>
-            <version>2.3.4</version>
-          </dependency>
-        </dependencies>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
diff --git a/org.eclipse.jgit.coverage/.classpath b/org.eclipse.jgit.coverage/.classpath
index 248406b..a454e3e 100644
--- a/org.eclipse.jgit.coverage/.classpath
+++ b/org.eclipse.jgit.coverage/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
diff --git a/org.eclipse.jgit.gpg.bc.test/.classpath b/org.eclipse.jgit.gpg.bc.test/.classpath
index 0acccba..2a1645a 100644
--- a/org.eclipse.jgit.gpg.bc.test/.classpath
+++ b/org.eclipse.jgit.gpg.bc.test/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" output="bin-tst" path="tst">
 		<attributes>
diff --git a/org.eclipse.jgit.gpg.bc.test/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.gpg.bc.test/.settings/org.eclipse.jdt.core.prefs
index cba893f..88ca2ea 100644
--- a/org.eclipse.jgit.gpg.bc.test/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.gpg.bc.test/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.gpg.bc.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.gpg.bc.test/META-INF/MANIFEST.MF
index d46365b..9a20b46 100644
--- a/org.eclipse.jgit.gpg.bc.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.gpg.bc.test/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-Version: 6.0.0.qualifier
 Bundle-Vendor: %Bundle-Vendor
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: org.bouncycastle.jce.provider;version="[1.65.0,2.0.0)",
  org.bouncycastle.openpgp;version="[1.65.0,2.0.0)",
  org.bouncycastle.openpgp.operator;version="[1.65.0,2.0.0)",
diff --git a/org.eclipse.jgit.gpg.bc/.classpath b/org.eclipse.jgit.gpg.bc/.classpath
index 110168f..1fde318 100644
--- a/org.eclipse.jgit.gpg.bc/.classpath
+++ b/org.eclipse.jgit.gpg.bc/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="resources"/>
diff --git a/org.eclipse.jgit.gpg.bc/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.gpg.bc/.settings/org.eclipse.jdt.core.prefs
index 15ef2aa..c631a5d 100644
--- a/org.eclipse.jgit.gpg.bc/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.gpg.bc/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=enabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.gpg.bc/META-INF/MANIFEST.MF b/org.eclipse.jgit.gpg.bc/META-INF/MANIFEST.MF
index 22622ae..3c106e7 100644
--- a/org.eclipse.jgit.gpg.bc/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.gpg.bc/META-INF/MANIFEST.MF
@@ -7,7 +7,7 @@
 Bundle-Vendor: %Bundle-Vendor
 Bundle-Localization: plugin
 Bundle-Version: 6.0.0.qualifier
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: org.bouncycastle.asn1;version="[1.69.0,2.0.0)",
  org.bouncycastle.asn1.cryptlib;version="[1.69.0,2.0.0)",
  org.bouncycastle.asn1.x9;version="[1.69.0,2.0.0)",
diff --git a/org.eclipse.jgit.http.apache/.classpath b/org.eclipse.jgit.http.apache/.classpath
index 110168f..1fde318 100644
--- a/org.eclipse.jgit.http.apache/.classpath
+++ b/org.eclipse.jgit.http.apache/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="resources"/>
diff --git a/org.eclipse.jgit.http.apache/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.http.apache/.settings/org.eclipse.jdt.core.prefs
index 4335e66..af6aa4d 100644
--- a/org.eclipse.jgit.http.apache/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.http.apache/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.http.apache/META-INF/MANIFEST.MF b/org.eclipse.jgit.http.apache/META-INF/MANIFEST.MF
index 0f2d7a3..4eedc8b 100644
--- a/org.eclipse.jgit.http.apache/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.http.apache/META-INF/MANIFEST.MF
@@ -4,7 +4,7 @@
 Automatic-Module-Name: org.eclipse.jgit.http.apache
 Bundle-SymbolicName: org.eclipse.jgit.http.apache
 Bundle-Version: 6.0.0.qualifier
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-Localization: plugin
 Bundle-Vendor: %Bundle-Vendor
 Bundle-ActivationPolicy: lazy
diff --git a/org.eclipse.jgit.http.server/.classpath b/org.eclipse.jgit.http.server/.classpath
index cfcf24a..139a059 100644
--- a/org.eclipse.jgit.http.server/.classpath
+++ b/org.eclipse.jgit.http.server/.classpath
@@ -2,7 +2,11 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="resources"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/org.eclipse.jgit.http.server/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.http.server/.settings/org.eclipse.jdt.core.prefs
index 4335e66..af6aa4d 100644
--- a/org.eclipse.jgit.http.server/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.http.server/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.http.server/META-INF/MANIFEST.MF b/org.eclipse.jgit.http.server/META-INF/MANIFEST.MF
index fe18caf..c7812e4 100644
--- a/org.eclipse.jgit.http.server/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.http.server/META-INF/MANIFEST.MF
@@ -15,7 +15,7 @@
    org.eclipse.jgit.transport,
    javax.servlet.http"
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: javax.servlet;version="[2.5.0,3.2.0)",
  javax.servlet.http;version="[2.5.0,3.2.0)",
  org.eclipse.jgit.annotations;version="[6.0.0,6.1.0)",
diff --git a/org.eclipse.jgit.http.test/.classpath b/org.eclipse.jgit.http.test/.classpath
index b258380..e736f8e 100644
--- a/org.eclipse.jgit.http.test/.classpath
+++ b/org.eclipse.jgit.http.test/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="tst">
 		<attributes>
diff --git a/org.eclipse.jgit.http.test/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.http.test/.settings/org.eclipse.jdt.core.prefs
index b853c6a..46c188f 100644
--- a/org.eclipse.jgit.http.test/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.http.test/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF
index 0df7dd3..70a846d 100644
--- a/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-Version: 6.0.0.qualifier
 Bundle-Vendor: %Bundle-Vendor
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: javax.servlet;version="[2.5.0,3.2.0)",
  javax.servlet.http;version="[2.5.0,3.2.0)",
  org.apache.commons.codec;version="[1.6.0,2.0.0)",
diff --git a/org.eclipse.jgit.junit.http/.classpath b/org.eclipse.jgit.junit.http/.classpath
index 3e5654f..73d6894 100644
--- a/org.eclipse.jgit.junit.http/.classpath
+++ b/org.eclipse.jgit.junit.http/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src">
 		<attributes>
diff --git a/org.eclipse.jgit.junit.http/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.junit.http/.settings/org.eclipse.jdt.core.prefs
index 3dd5840..4cbadde 100644
--- a/org.eclipse.jgit.junit.http/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.junit.http/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF b/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF
index 742b3dd8..e3e3222 100644
--- a/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF
@@ -7,7 +7,7 @@
 Bundle-Localization: plugin
 Bundle-Vendor: %Bundle-Vendor
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: javax.servlet;version="[2.5.0,3.2.0)",
  javax.servlet.http;version="[2.5.0,3.2.0)",
  org.apache.commons.logging;version="[1.1.1,2.0.0)",
diff --git a/org.eclipse.jgit.junit.ssh/.classpath b/org.eclipse.jgit.junit.ssh/.classpath
index 110168f..1fde318 100644
--- a/org.eclipse.jgit.junit.ssh/.classpath
+++ b/org.eclipse.jgit.junit.ssh/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="resources"/>
diff --git a/org.eclipse.jgit.junit.ssh/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.junit.ssh/.settings/org.eclipse.jdt.core.prefs
index 3dd5840..4cbadde 100644
--- a/org.eclipse.jgit.junit.ssh/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.junit.ssh/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.junit.ssh/META-INF/MANIFEST.MF b/org.eclipse.jgit.junit.ssh/META-INF/MANIFEST.MF
index 9d6b491..abc830d 100644
--- a/org.eclipse.jgit.junit.ssh/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.junit.ssh/META-INF/MANIFEST.MF
@@ -7,7 +7,7 @@
 Bundle-Localization: plugin
 Bundle-Vendor: %Bundle-Vendor
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: org.apache.sshd.common;version="[2.7.0,2.8.0)",
  org.apache.sshd.common.config.keys;version="[2.7.0,2.8.0)",
  org.apache.sshd.common.file.virtualfs;version="[2.7.0,2.8.0)",
diff --git a/org.eclipse.jgit.junit/.classpath b/org.eclipse.jgit.junit/.classpath
index eca7bdb..4a00bec 100644
--- a/org.eclipse.jgit.junit/.classpath
+++ b/org.eclipse.jgit.junit/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
diff --git a/org.eclipse.jgit.junit/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.junit/.settings/org.eclipse.jdt.core.prefs
index 530f8f6..ced442f 100644
--- a/org.eclipse.jgit.junit/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.junit/.settings/org.eclipse.jdt.core.prefs
@@ -10,9 +10,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=enabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -124,7 +124,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.junit/META-INF/MANIFEST.MF b/org.eclipse.jgit.junit/META-INF/MANIFEST.MF
index 90fbfd8..aea1aca 100644
--- a/org.eclipse.jgit.junit/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.junit/META-INF/MANIFEST.MF
@@ -7,7 +7,7 @@
 Bundle-Localization: plugin
 Bundle-Vendor: %Bundle-Vendor
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: org.eclipse.jgit.annotations;version="[6.0.0,6.1.0)",
  org.eclipse.jgit.api;version="[6.0.0,6.1.0)",
  org.eclipse.jgit.api.errors;version="[6.0.0,6.1.0)",
diff --git a/org.eclipse.jgit.lfs.server.test/.classpath b/org.eclipse.jgit.lfs.server.test/.classpath
index f08af0a..5899a4e 100644
--- a/org.eclipse.jgit.lfs.server.test/.classpath
+++ b/org.eclipse.jgit.lfs.server.test/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="tst">
 		<attributes>
diff --git a/org.eclipse.jgit.lfs.server.test/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.lfs.server.test/.settings/org.eclipse.jdt.core.prefs
index 4c4634a..41a51d4 100644
--- a/org.eclipse.jgit.lfs.server.test/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.lfs.server.test/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
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 fa689b0..95ac89b 100644
--- a/org.eclipse.jgit.lfs.server.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.lfs.server.test/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-Version: 6.0.0.qualifier
 Bundle-Vendor: %Bundle-Vendor
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: javax.servlet;version="[3.1.0,4.0.0)",
  javax.servlet.http;version="[3.1.0,4.0.0)",
  org.apache.http;version="[4.4.0,5.0.0)",
diff --git a/org.eclipse.jgit.lfs.server/.classpath b/org.eclipse.jgit.lfs.server/.classpath
index cfcf24a..139a059 100644
--- a/org.eclipse.jgit.lfs.server/.classpath
+++ b/org.eclipse.jgit.lfs.server/.classpath
@@ -2,7 +2,11 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="resources"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/org.eclipse.jgit.lfs.server/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.lfs.server/.settings/org.eclipse.jdt.core.prefs
index 9fd92b1..637c09e 100644
--- a/org.eclipse.jgit.lfs.server/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.lfs.server/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.lfs.server/META-INF/MANIFEST.MF b/org.eclipse.jgit.lfs.server/META-INF/MANIFEST.MF
index 76050e1..c5d8444 100644
--- a/org.eclipse.jgit.lfs.server/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.lfs.server/META-INF/MANIFEST.MF
@@ -18,7 +18,7 @@
  org.eclipse.jgit.lfs.server.s3;version="6.0.0";
   uses:="org.eclipse.jgit.lfs.server,
    org.eclipse.jgit.lfs.lib"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: com.google.gson;version="[2.8.0,3.0.0)",
  javax.servlet;version="[3.1.0,4.0.0)",
  javax.servlet.annotation;version="[3.1.0,4.0.0)",
diff --git a/org.eclipse.jgit.lfs.test/.classpath b/org.eclipse.jgit.lfs.test/.classpath
index e79b7c7..722f302 100644
--- a/org.eclipse.jgit.lfs.test/.classpath
+++ b/org.eclipse.jgit.lfs.test/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src">
 		<attributes>
diff --git a/org.eclipse.jgit.lfs.test/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.lfs.test/.settings/org.eclipse.jdt.core.prefs
index b853c6a..46c188f 100644
--- a/org.eclipse.jgit.lfs.test/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.lfs.test/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF
index ac85521..10635bb 100644
--- a/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-Version: 6.0.0.qualifier
 Bundle-Vendor: %Bundle-Vendor
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: org.eclipse.jgit.api;version="[6.0.0,6.1.0)",
  org.eclipse.jgit.attributes;version="[6.0.0,6.1.0)",
  org.eclipse.jgit.internal.storage.dfs;version="[6.0.0,6.1.0)",
diff --git a/org.eclipse.jgit.lfs/.classpath b/org.eclipse.jgit.lfs/.classpath
index cfcf24a..139a059 100644
--- a/org.eclipse.jgit.lfs/.classpath
+++ b/org.eclipse.jgit.lfs/.classpath
@@ -2,7 +2,11 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="resources"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/org.eclipse.jgit.lfs/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.lfs/.settings/org.eclipse.jdt.core.prefs
index 9fd92b1..637c09e 100644
--- a/org.eclipse.jgit.lfs/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.lfs/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.lfs/META-INF/MANIFEST.MF b/org.eclipse.jgit.lfs/META-INF/MANIFEST.MF
index 3eb5a76..a7e11dd 100644
--- a/org.eclipse.jgit.lfs/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.lfs/META-INF/MANIFEST.MF
@@ -10,7 +10,7 @@
  org.eclipse.jgit.lfs.errors;version="6.0.0",
  org.eclipse.jgit.lfs.internal;version="6.0.0";x-friends:="org.eclipse.jgit.lfs.test,org.eclipse.jgit.lfs.server.fs,org.eclipse.jgit.lfs.server",
  org.eclipse.jgit.lfs.lib;version="6.0.0"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: com.google.gson;version="[2.8.2,3.0.0)",
  com.google.gson.stream;version="[2.8.2,3.0.0)",
  org.eclipse.jgit.annotations;version="[6.0.0,6.1.0)";resolution:=optional,
diff --git a/org.eclipse.jgit.packaging/pom.xml b/org.eclipse.jgit.packaging/pom.xml
index 50f7b0c..e05166f 100644
--- a/org.eclipse.jgit.packaging/pom.xml
+++ b/org.eclipse.jgit.packaging/pom.xml
@@ -205,8 +205,8 @@
           <version>${tycho-version}</version>
           <configuration>
             <encoding>UTF-8</encoding>
-            <source>1.8</source>
-            <target>1.8</target>
+            <source>11</source>
+            <target>11</target>
           </configuration>
         </plugin>
         <plugin>
diff --git a/org.eclipse.jgit.pgm.test/.classpath b/org.eclipse.jgit.pgm.test/.classpath
index 1334739..855f717 100644
--- a/org.eclipse.jgit.pgm.test/.classpath
+++ b/org.eclipse.jgit.pgm.test/.classpath
@@ -10,7 +10,11 @@
 			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/org.eclipse.jgit.pgm.test/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.pgm.test/.settings/org.eclipse.jdt.core.prefs
index b853c6a..46c188f 100644
--- a/org.eclipse.jgit.pgm.test/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.pgm.test/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF
index 52b59a3..c5b6b8d 100644
--- a/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF
@@ -7,7 +7,7 @@
 Bundle-Vendor: %Bundle-Vendor
 Bundle-Localization: plugin
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: org.eclipse.jgit.api;version="[6.0.0,6.1.0)",
  org.eclipse.jgit.api.errors;version="[6.0.0,6.1.0)",
  org.eclipse.jgit.diff;version="[6.0.0,6.1.0)",
diff --git "a/org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java8\051 \050de\051.launch" "b/org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java11\051 \050de\051.launch"
similarity index 97%
rename from "org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java8\051 \050de\051.launch"
rename to "org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java11\051 \050de\051.launch"
index e11b72f..b860abb 100644
--- "a/org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java8\051 \050de\051.launch"
+++ "b/org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java11\051 \050de\051.launch"
@@ -24,7 +24,7 @@
 <listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry id=&quot;org.eclipse.jdt.launching.classpathentry.defaultClasspath&quot;&gt;&#10;&lt;memento exportedEntriesOnly=&quot;false&quot; project=&quot;org.eclipse.jgit.pgm.test&quot;/&gt;&#10;&lt;/runtimeClasspathEntry&gt;&#10;"/>
 </listAttribute>
 <booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="false"/>
-<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.jgit.pgm.test"/>
 </launchConfiguration>
diff --git "a/org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java8\051.launch" "b/org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java11\051.launch"
similarity index 97%
rename from "org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java8\051.launch"
rename to "org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java11\051.launch"
index 8b0452a..02a4dab 100644
--- "a/org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java8\051.launch"
+++ "b/org.eclipse.jgit.pgm.test/org.eclipse.jgit.pgm--All-Tests \050Java11\051.launch"
@@ -21,7 +21,7 @@
 <listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry id=&quot;org.eclipse.jdt.launching.classpathentry.defaultClasspath&quot;&gt;&#10;&lt;memento exportedEntriesOnly=&quot;false&quot; project=&quot;org.eclipse.jgit.pgm.test&quot;/&gt;&#10;&lt;/runtimeClasspathEntry&gt;&#10;"/>
 </listAttribute>
 <booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="false"/>
-<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.jgit.pgm.test"/>
 </launchConfiguration>
diff --git a/org.eclipse.jgit.pgm/.classpath b/org.eclipse.jgit.pgm/.classpath
index e8bc977..e8b509e 100644
--- a/org.eclipse.jgit.pgm/.classpath
+++ b/org.eclipse.jgit.pgm/.classpath
@@ -3,7 +3,11 @@
 	<classpathentry kind="src" path="src"/>
 	<classpathentry excluding="*|resources/|resources/" including="META-INF/" kind="src" path=""/>
 	<classpathentry kind="src" path="resources"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/org.eclipse.jgit.pgm/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.pgm/.settings/org.eclipse.jdt.core.prefs
index bc7ba1e..c2ec99f 100644
--- a/org.eclipse.jgit.pgm/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.pgm/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=enabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.pgm/META-INF/MANIFEST.MF b/org.eclipse.jgit.pgm/META-INF/MANIFEST.MF
index c56224e..67d1d51 100644
--- a/org.eclipse.jgit.pgm/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.pgm/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-Version: 6.0.0.qualifier
 Bundle-Vendor: %Bundle-Vendor
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: javax.servlet;version="[3.1.0,4.0.0)",
  org.apache.commons.logging;version="[1.2,2.0)",
  org.eclipse.jetty.server;version="[9.4.5,10.0.0)",
diff --git a/org.eclipse.jgit.ssh.apache.test/.classpath b/org.eclipse.jgit.ssh.apache.test/.classpath
index f08af0a..5899a4e 100644
--- a/org.eclipse.jgit.ssh.apache.test/.classpath
+++ b/org.eclipse.jgit.ssh.apache.test/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="tst">
 		<attributes>
diff --git a/org.eclipse.jgit.ssh.apache.test/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.ssh.apache.test/.settings/org.eclipse.jdt.core.prefs
index cba893f..88ca2ea 100644
--- a/org.eclipse.jgit.ssh.apache.test/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.ssh.apache.test/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
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 1b885af..b9a7ba9 100644
--- a/org.eclipse.jgit.ssh.apache.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ssh.apache.test/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-Version: 6.0.0.qualifier
 Bundle-Vendor: %Bundle-Vendor
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: org.apache.sshd.client.config.hosts;version="[2.7.0,2.8.0)",
  org.apache.sshd.common;version="[2.7.0,2.8.0)",
  org.apache.sshd.common.auth;version="[2.7.0,2.8.0)",
diff --git a/org.eclipse.jgit.ssh.apache/.classpath b/org.eclipse.jgit.ssh.apache/.classpath
index 110168f..1fde318 100644
--- a/org.eclipse.jgit.ssh.apache/.classpath
+++ b/org.eclipse.jgit.ssh.apache/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="resources"/>
diff --git a/org.eclipse.jgit.ssh.apache/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.ssh.apache/.settings/org.eclipse.jdt.core.prefs
index 15ef2aa..c631a5d 100644
--- a/org.eclipse.jgit.ssh.apache/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.ssh.apache/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=enabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.ssh.apache/META-INF/MANIFEST.MF b/org.eclipse.jgit.ssh.apache/META-INF/MANIFEST.MF
index 03b0462..1f48841 100644
--- a/org.eclipse.jgit.ssh.apache/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ssh.apache/META-INF/MANIFEST.MF
@@ -7,7 +7,7 @@
 Bundle-Localization: plugin
 Bundle-ActivationPolicy: lazy
 Bundle-Version: 6.0.0.qualifier
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Export-Package: org.eclipse.jgit.internal.transport.sshd;version="6.0.0";x-internal:=true;
   uses:="org.apache.sshd.client,
    org.apache.sshd.client.auth,
diff --git a/org.eclipse.jgit.ssh.jsch.test/.classpath b/org.eclipse.jgit.ssh.jsch.test/.classpath
index f08af0a..5899a4e 100644
--- a/org.eclipse.jgit.ssh.jsch.test/.classpath
+++ b/org.eclipse.jgit.ssh.jsch.test/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="tst">
 		<attributes>
diff --git a/org.eclipse.jgit.ssh.jsch.test/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.ssh.jsch.test/.settings/org.eclipse.jdt.core.prefs
index c16c986..4ae3296 100644
--- a/org.eclipse.jgit.ssh.jsch.test/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.ssh.jsch.test/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -116,7 +116,7 @@
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
 org.eclipse.jdt.core.compiler.processAnnotations=disabled
 org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.ssh.jsch.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.ssh.jsch.test/META-INF/MANIFEST.MF
index b5ad680..693f192 100644
--- a/org.eclipse.jgit.ssh.jsch.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ssh.jsch.test/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-Version: 6.0.0.qualifier
 Bundle-Vendor: %Bundle-Vendor
 Bundle-Localization: plugin
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: com.jcraft.jsch;version="[0.1.54,0.2.0)",
  org.eclipse.jgit.errors;version="[6.0.0,6.1.0)",
  org.eclipse.jgit.junit;version="[6.0.0,6.1.0)",
diff --git a/org.eclipse.jgit.ssh.jsch/.classpath b/org.eclipse.jgit.ssh.jsch/.classpath
index 110168f..1fde318 100644
--- a/org.eclipse.jgit.ssh.jsch/.classpath
+++ b/org.eclipse.jgit.ssh.jsch/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="resources"/>
diff --git a/org.eclipse.jgit.ssh.jsch/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.ssh.jsch/.settings/org.eclipse.jdt.core.prefs
index 15ef2aa..c631a5d 100644
--- a/org.eclipse.jgit.ssh.jsch/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.ssh.jsch/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=enabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.ssh.jsch/META-INF/MANIFEST.MF b/org.eclipse.jgit.ssh.jsch/META-INF/MANIFEST.MF
index 8cf906f..4301692 100644
--- a/org.eclipse.jgit.ssh.jsch/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ssh.jsch/META-INF/MANIFEST.MF
@@ -8,7 +8,7 @@
 Bundle-Localization: plugin
 Bundle-ActivationPolicy: lazy
 Bundle-Version: 6.0.0.qualifier
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Export-Package: org.eclipse.jgit.internal.transport.jsch;version="6.0.0";x-friends:="org.eclipse.egit.core",
  org.eclipse.jgit.transport;version="6.0.0";
   uses:="org.eclipse.jgit.transport,
diff --git a/org.eclipse.jgit.test/.classpath b/org.eclipse.jgit.test/.classpath
index c99a7b0..363ffa3 100644
--- a/org.eclipse.jgit.test/.classpath
+++ b/org.eclipse.jgit.test/.classpath
@@ -16,7 +16,11 @@
 			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/org.eclipse.jgit.test/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.test/.settings/org.eclipse.jdt.core.prefs
index b853c6a..46c188f 100644
--- a/org.eclipse.jgit.test/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.test/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.test/META-INF/MANIFEST.MF
index 4facbfc..b550bea 100644
--- a/org.eclipse.jgit.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.test/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-Version: 6.0.0.qualifier
 Bundle-Localization: plugin
 Bundle-Vendor: %Bundle-Vendor
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: com.googlecode.javaewah;version="[1.1.6,2.0.0)",
  net.bytebuddy.dynamic.loading;version="[1.9.0,2.0.0)",
  org.apache.commons.compress.archivers;version="[1.15.0,2.0)",
diff --git "a/org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 8\051 \050de\051.launch" "b/org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 11\051 \050de\051.launch"
similarity index 97%
rename from "org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 8\051 \050de\051.launch"
rename to "org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 11\051 \050de\051.launch"
index f12a529..fdfdce8 100644
--- "a/org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 8\051 \050de\051.launch"
+++ "b/org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 11\051 \050de\051.launch"
@@ -24,7 +24,7 @@
 <listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry id=&quot;org.eclipse.jdt.launching.classpathentry.defaultClasspath&quot;&gt;&#10;&lt;memento exportedEntriesOnly=&quot;false&quot; project=&quot;org.eclipse.jgit.test&quot;/&gt;&#10;&lt;/runtimeClasspathEntry&gt;&#10;"/>
 </listAttribute>
 <booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="false"/>
-<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.jgit.test"/>
 <stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Xmx256m"/>
diff --git "a/org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 8\051.launch" "b/org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 11\051.launch"
similarity index 97%
rename from "org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 8\051.launch"
rename to "org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 11\051.launch"
index b221a11..89c23c3 100644
--- "a/org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 8\051.launch"
+++ "b/org.eclipse.jgit.test/org.eclipse.jgit.core--All-Tests \050Java 11\051.launch"
@@ -21,7 +21,7 @@
 <listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry id=&quot;org.eclipse.jdt.launching.classpathentry.defaultClasspath&quot;&gt;&#10;&lt;memento exportedEntriesOnly=&quot;false&quot; project=&quot;org.eclipse.jgit.test&quot;/&gt;&#10;&lt;/runtimeClasspathEntry&gt;&#10;"/>
 </listAttribute>
 <booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="false"/>
-<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.jgit.test"/>
 <stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Xmx256m"/>
diff --git a/org.eclipse.jgit.ui/.classpath b/org.eclipse.jgit.ui/.classpath
index 110168f..1fde318 100644
--- a/org.eclipse.jgit.ui/.classpath
+++ b/org.eclipse.jgit.ui/.classpath
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="resources"/>
diff --git a/org.eclipse.jgit.ui/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit.ui/.settings/org.eclipse.jdt.core.prefs
index 9fd92b1..637c09e 100644
--- a/org.eclipse.jgit.ui/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit.ui/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit.ui/META-INF/MANIFEST.MF b/org.eclipse.jgit.ui/META-INF/MANIFEST.MF
index 2fefe55..eca60b7 100644
--- a/org.eclipse.jgit.ui/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ui/META-INF/MANIFEST.MF
@@ -6,7 +6,7 @@
 Bundle-SymbolicName: org.eclipse.jgit.ui
 Bundle-Version: 6.0.0.qualifier
 Bundle-Vendor: %Bundle-Vendor
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Export-Package: org.eclipse.jgit.awtui;version="6.0.0"
 Import-Package: org.eclipse.jgit.errors;version="[6.0.0,6.1.0)",
  org.eclipse.jgit.lib;version="[6.0.0,6.1.0)",
diff --git a/org.eclipse.jgit/.classpath b/org.eclipse.jgit/.classpath
index cfcf24a..139a059 100644
--- a/org.eclipse.jgit/.classpath
+++ b/org.eclipse.jgit/.classpath
@@ -2,7 +2,11 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="resources"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/org.eclipse.jgit/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jgit/.settings/org.eclipse.jdt.core.prefs
index bc7ba1e..c2ec99f 100644
--- a/org.eclipse.jgit/.settings/org.eclipse.jdt.core.prefs
+++ b/org.eclipse.jgit/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=enabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -112,7 +112,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=error
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
diff --git a/org.eclipse.jgit/META-INF/MANIFEST.MF b/org.eclipse.jgit/META-INF/MANIFEST.MF
index d755f83..a6f9e48 100644
--- a/org.eclipse.jgit/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit/META-INF/MANIFEST.MF
@@ -217,7 +217,7 @@
    org.eclipse.jgit.treewalk",
  org.eclipse.jgit.util.sha1;version="6.0.0",
  org.eclipse.jgit.util.time;version="6.0.0"
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: com.googlecode.javaewah;version="[1.1.6,2.0.0)",
  javax.crypto,
  javax.net.ssl,
diff --git a/pom.xml b/pom.xml
index a64f171..8bff418 100644
--- a/pom.xml
+++ b/pom.xml
@@ -147,8 +147,9 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <maven.build.timestamp.format>yyyyMMddHHmm</maven.build.timestamp.format>
-    <maven.compiler.source>1.8</maven.compiler.source>
-    <maven.compiler.target>1.8</maven.compiler.target>
+    <java.version>11</java.version>
+    <maven.compiler.source>${java.version}</maven.compiler.source>
+    <maven.compiler.target>${java.version}</maven.compiler.target>
     <bundle-manifest>${project.build.directory}/META-INF/MANIFEST.MF</bundle-manifest>
 
     <jgit-last-release-version>5.12.0.202106070339-r</jgit-last-release-version>
@@ -305,7 +306,7 @@
           <configuration>
             <sourceEncoding>utf-8</sourceEncoding>
             <minimumTokens>100</minimumTokens>
-            <targetJdk>1.8</targetJdk>
+            <targetJdk>${java.version}</targetJdk>
             <format>xml</format>
             <failOnViolation>false</failOnViolation>
             <excludes>
@@ -468,7 +469,7 @@
           <quiet>true</quiet>
           <excludePackageNames>org.eclipse.jgit.http.test</excludePackageNames>
           <links>
-            <link>http://docs.oracle.com/javase/8/docs/api</link>
+            <link>https://docs.oracle.com/en/java/javase/11/docs/api</link>
           </links>
         </configuration>
         <executions>
@@ -820,56 +821,20 @@
             <artifactId>maven-compiler-plugin</artifactId>
             <configuration>
               <encoding>UTF-8</encoding>
-              <source>1.8</source>
-              <target>1.8</target>
-            </configuration>
-            <executions>
-              <execution>
-                <id>default-compile</id>
-                <phase>compile</phase>
-                <goals>
-                  <goal>compile</goal>
-                </goals>
-                <configuration>
-                  <includes>
-                    <include>org/eclipse/jgit/transport/InsecureCipherFactory.java</include>
-                  </includes>
-                </configuration>
-              </execution>
-              <execution>
-                <id>compile-with-errorprone</id>
-                <phase>compile</phase>
-                <goals>
-                  <goal>compile</goal>
-                </goals>
-                <configuration>
-                  <compilerId>javac-with-errorprone</compilerId>
-                  <forceJavacCompilerUse>true</forceJavacCompilerUse>
-                  <excludes>
-                    <exclude>org/eclipse/jgit/transport/InsecureCipherFactory.java</exclude>
-                  </excludes>
-                </configuration>
-              </execution>
-            </executions>
-            <dependencies>
-              <dependency>
-                <groupId>org.codehaus.plexus</groupId>
-                <artifactId>plexus-compiler-javac</artifactId>
-                <version>${plexus-compiler-version}</version>
-              </dependency>
-              <dependency>
-                <groupId>org.codehaus.plexus</groupId>
-                <artifactId>plexus-compiler-javac-errorprone</artifactId>
-                <version>${plexus-compiler-version}</version>
-              </dependency>
-              <!-- override plexus-compiler-javac-errorprone's dependency on
-                  Error Prone with the latest version -->
-              <dependency>
+              <source>${java.version}</source>
+              <target>${java.version}</target>
+              <compilerArgs>
+                <arg>-XDcompilePolicy=simple</arg>
+                <arg>-Xplugin:ErrorProne</arg>
+              </compilerArgs>
+              <annotationProcessorPaths>
+                <path>
                 <groupId>com.google.errorprone</groupId>
                 <artifactId>error_prone_core</artifactId>
-                <version>2.3.4</version>
-              </dependency>
-            </dependencies>
+                  <version>2.4.0</version>
+                </path>
+              </annotationProcessorPaths>
+            </configuration>
           </plugin>
         </plugins>
       </build>
@@ -886,8 +851,8 @@
             <configuration>
               <compilerId>eclipse</compilerId>
               <encoding>UTF-8</encoding>
-              <source>1.8</source>
-              <target>1.8</target>
+              <source>${java.version}</source>
+              <target>${java.version}</target>
               <!-- Passing arguments is a trainwreck, see https://issues.apache.org/jira/browse/MCOMPILER-123 -->
               <compilerArguments>
                 <properties>${project.basedir}/.settings/org.eclipse.jdt.core.prefs</properties>
diff --git a/tools/eclipse-JGit-Format.xml b/tools/eclipse-JGit-Format.xml
index 490758a..cf848a6 100644
--- a/tools/eclipse-JGit-Format.xml
+++ b/tools/eclipse-JGit-Format.xml
@@ -45,7 +45,7 @@
 <setting id="org.eclipse.jdt.core.formatter.blank_lines_before_new_chunk" value="1"/>
 <setting id="org.eclipse.jdt.core.formatter.insert_space_before_binary_operator" value="insert"/>
 <setting id="org.eclipse.jdt.core.formatter.blank_lines_before_package" value="0"/>
-<setting id="org.eclipse.jdt.core.compiler.source" value="1.8"/>
+<setting id="org.eclipse.jdt.core.compiler.source" value="11"/>
 <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_paren_in_constructor_declaration" value="do not insert"/>
 <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_enum_constant_arguments" value="insert"/>
 <setting id="org.eclipse.jdt.core.formatter.comment.format_line_comments" value="true"/>
@@ -156,7 +156,7 @@
 <setting id="org.eclipse.jdt.core.formatter.insert_space_after_opening_bracket_in_array_reference" value="do not insert"/>
 <setting id="org.eclipse.jdt.core.formatter.alignment_for_arguments_in_qualified_allocation_expression" value="16"/>
 <setting id="org.eclipse.jdt.core.formatter.insert_space_after_and_in_type_parameter" value="insert"/>
-<setting id="org.eclipse.jdt.core.compiler.compliance" value="1.8"/>
+<setting id="org.eclipse.jdt.core.compiler.compliance" value="11"/>
 <setting id="org.eclipse.jdt.core.formatter.continuation_indentation_for_array_initializer" value="2"/>
 <setting id="org.eclipse.jdt.core.formatter.insert_space_before_at_in_annotation_type_declaration" value="insert"/>
 <setting id="org.eclipse.jdt.core.formatter.insert_space_between_empty_brackets_in_array_allocation_expression" value="do not insert"/>
@@ -227,7 +227,7 @@
 <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_constructor_declaration_throws" value="insert"/>
 <setting id="org.eclipse.jdt.core.formatter.alignment_for_parameters_in_method_declaration" value="16"/>
 <setting id="org.eclipse.jdt.core.formatter.insert_space_before_closing_brace_in_array_initializer" value="insert"/>
-<setting id="org.eclipse.jdt.core.compiler.codegen.targetPlatform" value="1.8"/>
+<setting id="org.eclipse.jdt.core.compiler.codegen.targetPlatform" value="11"/>
 <setting id="org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations" value="false"/>
 <setting id="org.eclipse.jdt.core.formatter.comment.format_header" value="false"/>
 <setting id="org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_member" value="insert"/>