diff --git a/java/com/google/gerrit/acceptance/AccountCreator.java b/java/com/google/gerrit/acceptance/AccountCreator.java
index 441a205..284f52c 100644
--- a/java/com/google/gerrit/acceptance/AccountCreator.java
+++ b/java/com/google/gerrit/acceptance/AccountCreator.java
@@ -20,7 +20,7 @@
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Sets;
 import com.google.gerrit.common.Nullable;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.server.ServerInitiated;
diff --git a/java/com/google/gerrit/acceptance/BUILD b/java/com/google/gerrit/acceptance/BUILD
index d97e8bd..239ceca 100644
--- a/java/com/google/gerrit/acceptance/BUILD
+++ b/java/com/google/gerrit/acceptance/BUILD
@@ -69,6 +69,7 @@
     testonly = True,
     srcs = glob(["**/*.java"]),
     exported_deps = [
+        "//java/com/google/gerrit/exceptions",
         "//java/com/google/gerrit/gpg",
         "//java/com/google/gerrit/httpd/auth/openid",
         "//java/com/google/gerrit/index:query_exception",
diff --git a/java/com/google/gerrit/acceptance/testsuite/group/GroupOperationsImpl.java b/java/com/google/gerrit/acceptance/testsuite/group/GroupOperationsImpl.java
index ac818c9..1cdded3 100644
--- a/java/com/google/gerrit/acceptance/testsuite/group/GroupOperationsImpl.java
+++ b/java/com/google/gerrit/acceptance/testsuite/group/GroupOperationsImpl.java
@@ -16,7 +16,7 @@
 
 import static com.google.common.base.Preconditions.checkState;
 
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.server.GerritPersonIdent;
 import com.google.gerrit.server.ServerInitiated;
diff --git a/java/com/google/gerrit/exceptions/BUILD b/java/com/google/gerrit/exceptions/BUILD
new file mode 100644
index 0000000..50bf883
--- /dev/null
+++ b/java/com/google/gerrit/exceptions/BUILD
@@ -0,0 +1,6 @@
+java_library(
+    name = "exceptions",
+    srcs = glob(["*.java"]),
+    visibility = ["//visibility:public"],
+    deps = ["//java/com/google/gerrit/reviewdb:server"],
+)
diff --git a/java/com/google/gerrit/common/errors/EmailException.java b/java/com/google/gerrit/exceptions/EmailException.java
similarity index 95%
rename from java/com/google/gerrit/common/errors/EmailException.java
rename to java/com/google/gerrit/exceptions/EmailException.java
index 635335d..a278eed 100644
--- a/java/com/google/gerrit/common/errors/EmailException.java
+++ b/java/com/google/gerrit/exceptions/EmailException.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.common.errors;
+package com.google.gerrit.exceptions;
 
 public class EmailException extends Exception {
   private static final long serialVersionUID = 1L;
diff --git a/java/com/google/gerrit/common/errors/InvalidNameException.java b/java/com/google/gerrit/exceptions/InvalidNameException.java
similarity index 95%
rename from java/com/google/gerrit/common/errors/InvalidNameException.java
rename to java/com/google/gerrit/exceptions/InvalidNameException.java
index d975aef..4539500 100644
--- a/java/com/google/gerrit/common/errors/InvalidNameException.java
+++ b/java/com/google/gerrit/exceptions/InvalidNameException.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.common.errors;
+package com.google.gerrit.exceptions;
 
 /** Error indicating the entity name is invalid as supplied. */
 public class InvalidNameException extends Exception {
diff --git a/java/com/google/gerrit/common/errors/InvalidSshKeyException.java b/java/com/google/gerrit/exceptions/InvalidSshKeyException.java
similarity index 95%
rename from java/com/google/gerrit/common/errors/InvalidSshKeyException.java
rename to java/com/google/gerrit/exceptions/InvalidSshKeyException.java
index 3398417..8baba20 100644
--- a/java/com/google/gerrit/common/errors/InvalidSshKeyException.java
+++ b/java/com/google/gerrit/exceptions/InvalidSshKeyException.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.common.errors;
+package com.google.gerrit.exceptions;
 
 /** Error indicating the SSH key string is invalid as supplied. */
 public class InvalidSshKeyException extends Exception {
diff --git a/java/com/google/gerrit/common/errors/NameAlreadyUsedException.java b/java/com/google/gerrit/exceptions/NameAlreadyUsedException.java
similarity index 95%
rename from java/com/google/gerrit/common/errors/NameAlreadyUsedException.java
rename to java/com/google/gerrit/exceptions/NameAlreadyUsedException.java
index ea20e2e..df2631b 100644
--- a/java/com/google/gerrit/common/errors/NameAlreadyUsedException.java
+++ b/java/com/google/gerrit/exceptions/NameAlreadyUsedException.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.common.errors;
+package com.google.gerrit.exceptions;
 
 /** Error indicating entity name is already taken by another entity. */
 public class NameAlreadyUsedException extends Exception {
diff --git a/java/com/google/gerrit/common/errors/NoSuchAccountException.java b/java/com/google/gerrit/exceptions/NoSuchAccountException.java
similarity index 95%
rename from java/com/google/gerrit/common/errors/NoSuchAccountException.java
rename to java/com/google/gerrit/exceptions/NoSuchAccountException.java
index 90bf624..d753128 100644
--- a/java/com/google/gerrit/common/errors/NoSuchAccountException.java
+++ b/java/com/google/gerrit/exceptions/NoSuchAccountException.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.common.errors;
+package com.google.gerrit.exceptions;
 
 /** Error indicating the account requested doesn't exist. */
 public class NoSuchAccountException extends Exception {
diff --git a/java/com/google/gerrit/common/errors/NoSuchEntityException.java b/java/com/google/gerrit/exceptions/NoSuchEntityException.java
similarity index 95%
rename from java/com/google/gerrit/common/errors/NoSuchEntityException.java
rename to java/com/google/gerrit/exceptions/NoSuchEntityException.java
index 1829c8b..c812a38 100644
--- a/java/com/google/gerrit/common/errors/NoSuchEntityException.java
+++ b/java/com/google/gerrit/exceptions/NoSuchEntityException.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.common.errors;
+package com.google.gerrit.exceptions;
 
 /** Error indicating the entity requested doesn't exist. */
 public class NoSuchEntityException extends Exception {
diff --git a/java/com/google/gerrit/common/errors/NoSuchGroupException.java b/java/com/google/gerrit/exceptions/NoSuchGroupException.java
similarity index 97%
rename from java/com/google/gerrit/common/errors/NoSuchGroupException.java
rename to java/com/google/gerrit/exceptions/NoSuchGroupException.java
index 6e3db9e..dca28cb 100644
--- a/java/com/google/gerrit/common/errors/NoSuchGroupException.java
+++ b/java/com/google/gerrit/exceptions/NoSuchGroupException.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.common.errors;
+package com.google.gerrit.exceptions;
 
 import com.google.gerrit.reviewdb.client.AccountGroup;
 
diff --git a/java/com/google/gerrit/common/errors/NotSignedInException.java b/java/com/google/gerrit/exceptions/NotSignedInException.java
similarity index 95%
rename from java/com/google/gerrit/common/errors/NotSignedInException.java
rename to java/com/google/gerrit/exceptions/NotSignedInException.java
index 65caf02..1919dc39 100644
--- a/java/com/google/gerrit/common/errors/NotSignedInException.java
+++ b/java/com/google/gerrit/exceptions/NotSignedInException.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.common.errors;
+package com.google.gerrit.exceptions;
 
 /** Error stating the user must be signed-in in order to perform this action. */
 public class NotSignedInException extends Exception {
diff --git a/java/com/google/gerrit/gpg/BUILD b/java/com/google/gerrit/gpg/BUILD
index 741403f..2633e91 100644
--- a/java/com/google/gerrit/gpg/BUILD
+++ b/java/com/google/gerrit/gpg/BUILD
@@ -4,6 +4,7 @@
     visibility = ["//visibility:public"],
     deps = [
         "//java/com/google/gerrit/common:server",
+        "//java/com/google/gerrit/exceptions",
         "//java/com/google/gerrit/extensions:api",
         "//java/com/google/gerrit/reviewdb:server",
         "//java/com/google/gerrit/server",
diff --git a/java/com/google/gerrit/gpg/server/PostGpgKeys.java b/java/com/google/gerrit/gpg/server/PostGpgKeys.java
index 7d08fca..df9723e 100644
--- a/java/com/google/gerrit/gpg/server/PostGpgKeys.java
+++ b/java/com/google/gerrit/gpg/server/PostGpgKeys.java
@@ -26,7 +26,7 @@
 import com.google.common.collect.Maps;
 import com.google.common.flogger.FluentLogger;
 import com.google.common.io.BaseEncoding;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.accounts.GpgKeysInput;
 import com.google.gerrit.extensions.common.GpgKeyInfo;
 import com.google.gerrit.extensions.restapi.BadRequestException;
diff --git a/java/com/google/gerrit/pgm/init/BUILD b/java/com/google/gerrit/pgm/init/BUILD
index b818c93..74236ce 100644
--- a/java/com/google/gerrit/pgm/init/BUILD
+++ b/java/com/google/gerrit/pgm/init/BUILD
@@ -8,6 +8,7 @@
         "//java/com/google/gerrit/common:annotations",
         "//java/com/google/gerrit/common:server",
         "//java/com/google/gerrit/elasticsearch",
+        "//java/com/google/gerrit/exceptions",
         "//java/com/google/gerrit/extensions:api",
         "//java/com/google/gerrit/index",
         "//java/com/google/gerrit/launcher",
diff --git a/java/com/google/gerrit/pgm/init/GroupsOnInit.java b/java/com/google/gerrit/pgm/init/GroupsOnInit.java
index 584d8af..273ebfb 100644
--- a/java/com/google/gerrit/pgm/init/GroupsOnInit.java
+++ b/java/com/google/gerrit/pgm/init/GroupsOnInit.java
@@ -20,7 +20,7 @@
 import com.google.common.collect.Sets;
 import com.google.gerrit.common.Nullable;
 import com.google.gerrit.common.data.GroupReference;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.pgm.init.api.AllUsersNameOnInitProvider;
 import com.google.gerrit.pgm.init.api.InitFlags;
 import com.google.gerrit.reviewdb.client.Account;
diff --git a/java/com/google/gerrit/pgm/init/InitAdminUser.java b/java/com/google/gerrit/pgm/init/InitAdminUser.java
index f19cf39..27e6ce9 100644
--- a/java/com/google/gerrit/pgm/init/InitAdminUser.java
+++ b/java/com/google/gerrit/pgm/init/InitAdminUser.java
@@ -18,7 +18,7 @@
 
 import com.google.common.base.Strings;
 import com.google.gerrit.common.data.GroupReference;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.client.AuthType;
 import com.google.gerrit.pgm.init.api.AllUsersNameOnInitProvider;
 import com.google.gerrit.pgm.init.api.ConsoleUI;
diff --git a/java/com/google/gerrit/server/BUILD b/java/com/google/gerrit/server/BUILD
index 7e661df..34e9f3a 100644
--- a/java/com/google/gerrit/server/BUILD
+++ b/java/com/google/gerrit/server/BUILD
@@ -33,6 +33,7 @@
         ":constants",
         "//java/com/google/gerrit/common:annotations",
         "//java/com/google/gerrit/common:server",
+        "//java/com/google/gerrit/exceptions",
         "//java/com/google/gerrit/extensions:api",
         "//java/com/google/gerrit/git",
         "//java/com/google/gerrit/index",
diff --git a/java/com/google/gerrit/server/account/AccountControl.java b/java/com/google/gerrit/server/account/AccountControl.java
index f17f387..4b8be81 100644
--- a/java/com/google/gerrit/server/account/AccountControl.java
+++ b/java/com/google/gerrit/server/account/AccountControl.java
@@ -17,7 +17,7 @@
 import static java.util.stream.Collectors.toSet;
 
 import com.google.gerrit.common.data.PermissionRule;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.common.AccountVisibility;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.reviewdb.client.Account;
diff --git a/java/com/google/gerrit/server/account/AccountManager.java b/java/com/google/gerrit/server/account/AccountManager.java
index d97ff7b..13b9bfa 100644
--- a/java/com/google/gerrit/server/account/AccountManager.java
+++ b/java/com/google/gerrit/server/account/AccountManager.java
@@ -25,7 +25,7 @@
 import com.google.gerrit.common.data.AccessSection;
 import com.google.gerrit.common.data.GlobalCapability;
 import com.google.gerrit.common.data.Permission;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.client.AccountFieldName;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
diff --git a/java/com/google/gerrit/server/account/GroupControl.java b/java/com/google/gerrit/server/account/GroupControl.java
index 5649629..b3e6739 100644
--- a/java/com/google/gerrit/server/account/GroupControl.java
+++ b/java/com/google/gerrit/server/account/GroupControl.java
@@ -15,7 +15,7 @@
 package com.google.gerrit.server.account;
 
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
diff --git a/java/com/google/gerrit/server/account/VersionedAuthorizedKeys.java b/java/com/google/gerrit/server/account/VersionedAuthorizedKeys.java
index 965f1ba..c7808de 100644
--- a/java/com/google/gerrit/server/account/VersionedAuthorizedKeys.java
+++ b/java/com/google/gerrit/server/account/VersionedAuthorizedKeys.java
@@ -20,7 +20,7 @@
 
 import com.google.common.base.Strings;
 import com.google.common.collect.Ordering;
-import com.google.gerrit.common.errors.InvalidSshKeyException;
+import com.google.gerrit.exceptions.InvalidSshKeyException;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.RefNames;
 import com.google.gerrit.server.IdentifiedUser;
diff --git a/java/com/google/gerrit/server/change/DeleteReviewerOp.java b/java/com/google/gerrit/server/change/DeleteReviewerOp.java
index 495ee84..7b9c2cb 100644
--- a/java/com/google/gerrit/server/change/DeleteReviewerOp.java
+++ b/java/com/google/gerrit/server/change/DeleteReviewerOp.java
@@ -18,7 +18,7 @@
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.common.data.LabelType;
 import com.google.gerrit.common.data.LabelTypes;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.DeleteReviewerInput;
 import com.google.gerrit.extensions.api.changes.NotifyHandling;
 import com.google.gerrit.extensions.restapi.AuthException;
diff --git a/java/com/google/gerrit/server/group/db/GroupsUpdate.java b/java/com/google/gerrit/server/group/db/GroupsUpdate.java
index 194258e..c55f375 100644
--- a/java/com/google/gerrit/server/group/db/GroupsUpdate.java
+++ b/java/com/google/gerrit/server/group/db/GroupsUpdate.java
@@ -21,7 +21,7 @@
 import com.google.common.collect.Sets;
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.common.Nullable;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.git.LockFailureException;
 import com.google.gerrit.git.RefUpdateUtil;
 import com.google.gerrit.reviewdb.client.Account;
diff --git a/java/com/google/gerrit/server/mail/send/AbandonedSender.java b/java/com/google/gerrit/server/mail/send/AbandonedSender.java
index 05dd542..947eb12 100644
--- a/java/com/google/gerrit/server/mail/send/AbandonedSender.java
+++ b/java/com/google/gerrit/server/mail/send/AbandonedSender.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.mail.send;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
diff --git a/java/com/google/gerrit/server/mail/send/AddKeySender.java b/java/com/google/gerrit/server/mail/send/AddKeySender.java
index 433bd9b..da866f4 100644
--- a/java/com/google/gerrit/server/mail/send/AddKeySender.java
+++ b/java/com/google/gerrit/server/mail/send/AddKeySender.java
@@ -15,7 +15,7 @@
 package com.google.gerrit.server.mail.send;
 
 import com.google.common.base.Joiner;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.mail.Address;
diff --git a/java/com/google/gerrit/server/mail/send/AddReviewerSender.java b/java/com/google/gerrit/server/mail/send/AddReviewerSender.java
index cb70106..405c159 100644
--- a/java/com/google/gerrit/server/mail/send/AddReviewerSender.java
+++ b/java/com/google/gerrit/server/mail/send/AddReviewerSender.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.mail.send;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gwtorm.server.OrmException;
diff --git a/java/com/google/gerrit/server/mail/send/ChangeEmail.java b/java/com/google/gerrit/server/mail/send/ChangeEmail.java
index 012d212..c06d41b 100644
--- a/java/com/google/gerrit/server/mail/send/ChangeEmail.java
+++ b/java/com/google/gerrit/server/mail/send/ChangeEmail.java
@@ -18,7 +18,7 @@
 import com.google.common.collect.ListMultimap;
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.common.Nullable;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.NotifyHandling;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.extensions.restapi.AuthException;
diff --git a/java/com/google/gerrit/server/mail/send/CommentSender.java b/java/com/google/gerrit/server/mail/send/CommentSender.java
index 0f55366..532158c 100644
--- a/java/com/google/gerrit/server/mail/send/CommentSender.java
+++ b/java/com/google/gerrit/server/mail/send/CommentSender.java
@@ -20,8 +20,8 @@
 import com.google.common.collect.Ordering;
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.common.data.FilenameComparator;
-import com.google.gerrit.common.errors.EmailException;
-import com.google.gerrit.common.errors.NoSuchEntityException;
+import com.google.gerrit.exceptions.EmailException;
+import com.google.gerrit.exceptions.NoSuchEntityException;
 import com.google.gerrit.extensions.api.changes.NotifyHandling;
 import com.google.gerrit.mail.MailHeader;
 import com.google.gerrit.mail.MailProcessingUtil;
diff --git a/java/com/google/gerrit/server/mail/send/CreateChangeSender.java b/java/com/google/gerrit/server/mail/send/CreateChangeSender.java
index fc9c14a..f12c8f1 100644
--- a/java/com/google/gerrit/server/mail/send/CreateChangeSender.java
+++ b/java/com/google/gerrit/server/mail/send/CreateChangeSender.java
@@ -15,7 +15,7 @@
 package com.google.gerrit.server.mail.send;
 
 import com.google.common.flogger.FluentLogger;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
diff --git a/java/com/google/gerrit/server/mail/send/DeleteReviewerSender.java b/java/com/google/gerrit/server/mail/send/DeleteReviewerSender.java
index 576d506..e1b3577 100644
--- a/java/com/google/gerrit/server/mail/send/DeleteReviewerSender.java
+++ b/java/com/google/gerrit/server/mail/send/DeleteReviewerSender.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.mail.send;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
diff --git a/java/com/google/gerrit/server/mail/send/DeleteVoteSender.java b/java/com/google/gerrit/server/mail/send/DeleteVoteSender.java
index 0c81293..7176803 100644
--- a/java/com/google/gerrit/server/mail/send/DeleteVoteSender.java
+++ b/java/com/google/gerrit/server/mail/send/DeleteVoteSender.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.mail.send;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
diff --git a/java/com/google/gerrit/server/mail/send/EmailSender.java b/java/com/google/gerrit/server/mail/send/EmailSender.java
index ce4964d..9b3a1f7 100644
--- a/java/com/google/gerrit/server/mail/send/EmailSender.java
+++ b/java/com/google/gerrit/server/mail/send/EmailSender.java
@@ -15,7 +15,7 @@
 package com.google.gerrit.server.mail.send;
 
 import com.google.gerrit.common.Nullable;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.mail.Address;
 import com.google.gerrit.mail.EmailHeader;
 import java.util.Collection;
diff --git a/java/com/google/gerrit/server/mail/send/InboundEmailRejectionSender.java b/java/com/google/gerrit/server/mail/send/InboundEmailRejectionSender.java
index 99edc04..b5d384d 100644
--- a/java/com/google/gerrit/server/mail/send/InboundEmailRejectionSender.java
+++ b/java/com/google/gerrit/server/mail/send/InboundEmailRejectionSender.java
@@ -16,7 +16,7 @@
 
 import static java.util.Objects.requireNonNull;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.mail.Address;
 import com.google.gerrit.mail.MailHeader;
diff --git a/java/com/google/gerrit/server/mail/send/MergedSender.java b/java/com/google/gerrit/server/mail/send/MergedSender.java
index b524c83..aac4005 100644
--- a/java/com/google/gerrit/server/mail/send/MergedSender.java
+++ b/java/com/google/gerrit/server/mail/send/MergedSender.java
@@ -19,7 +19,7 @@
 import com.google.gerrit.common.data.LabelType;
 import com.google.gerrit.common.data.LabelTypes;
 import com.google.gerrit.common.data.LabelValue;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.PatchSetApproval;
diff --git a/java/com/google/gerrit/server/mail/send/NewChangeSender.java b/java/com/google/gerrit/server/mail/send/NewChangeSender.java
index c45da40..3c779ec 100644
--- a/java/com/google/gerrit/server/mail/send/NewChangeSender.java
+++ b/java/com/google/gerrit/server/mail/send/NewChangeSender.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.mail.send;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
diff --git a/java/com/google/gerrit/server/mail/send/NotificationEmail.java b/java/com/google/gerrit/server/mail/send/NotificationEmail.java
index 032bcbf..1187a42 100644
--- a/java/com/google/gerrit/server/mail/send/NotificationEmail.java
+++ b/java/com/google/gerrit/server/mail/send/NotificationEmail.java
@@ -17,7 +17,7 @@
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.collect.Iterables;
 import com.google.common.flogger.FluentLogger;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.mail.Address;
 import com.google.gerrit.mail.MailHeader;
diff --git a/java/com/google/gerrit/server/mail/send/OutgoingEmail.java b/java/com/google/gerrit/server/mail/send/OutgoingEmail.java
index a6747b5..db97f06 100644
--- a/java/com/google/gerrit/server/mail/send/OutgoingEmail.java
+++ b/java/com/google/gerrit/server/mail/send/OutgoingEmail.java
@@ -19,7 +19,7 @@
 import static java.util.Objects.requireNonNull;
 
 import com.google.common.flogger.FluentLogger;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo.EmailFormat;
diff --git a/java/com/google/gerrit/server/mail/send/RegisterNewEmailSender.java b/java/com/google/gerrit/server/mail/send/RegisterNewEmailSender.java
index 3bca00c..436736b 100644
--- a/java/com/google/gerrit/server/mail/send/RegisterNewEmailSender.java
+++ b/java/com/google/gerrit/server/mail/send/RegisterNewEmailSender.java
@@ -16,7 +16,7 @@
 
 import static java.util.Objects.requireNonNull;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.mail.Address;
 import com.google.gerrit.server.IdentifiedUser;
diff --git a/java/com/google/gerrit/server/mail/send/ReplacePatchSetSender.java b/java/com/google/gerrit/server/mail/send/ReplacePatchSetSender.java
index f2844c4..f7b3b79 100644
--- a/java/com/google/gerrit/server/mail/send/ReplacePatchSetSender.java
+++ b/java/com/google/gerrit/server/mail/send/ReplacePatchSetSender.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.mail.send;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.NotifyHandling;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.reviewdb.client.Account;
diff --git a/java/com/google/gerrit/server/mail/send/ReplyToChangeSender.java b/java/com/google/gerrit/server/mail/send/ReplyToChangeSender.java
index 61e9d1d..88bc5b2 100644
--- a/java/com/google/gerrit/server/mail/send/ReplyToChangeSender.java
+++ b/java/com/google/gerrit/server/mail/send/ReplyToChangeSender.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.mail.send;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Project;
diff --git a/java/com/google/gerrit/server/mail/send/RestoredSender.java b/java/com/google/gerrit/server/mail/send/RestoredSender.java
index d7f8eb5..f9d856d 100644
--- a/java/com/google/gerrit/server/mail/send/RestoredSender.java
+++ b/java/com/google/gerrit/server/mail/send/RestoredSender.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.mail.send;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
diff --git a/java/com/google/gerrit/server/mail/send/RevertedSender.java b/java/com/google/gerrit/server/mail/send/RevertedSender.java
index 21703a3..41a5c5b 100644
--- a/java/com/google/gerrit/server/mail/send/RevertedSender.java
+++ b/java/com/google/gerrit/server/mail/send/RevertedSender.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.mail.send;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
diff --git a/java/com/google/gerrit/server/mail/send/SetAssigneeSender.java b/java/com/google/gerrit/server/mail/send/SetAssigneeSender.java
index 9708b1b..6c23750 100644
--- a/java/com/google/gerrit/server/mail/send/SetAssigneeSender.java
+++ b/java/com/google/gerrit/server/mail/send/SetAssigneeSender.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.mail.send;
 
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
diff --git a/java/com/google/gerrit/server/mail/send/SmtpEmailSender.java b/java/com/google/gerrit/server/mail/send/SmtpEmailSender.java
index 617c586..3f103fc 100644
--- a/java/com/google/gerrit/server/mail/send/SmtpEmailSender.java
+++ b/java/com/google/gerrit/server/mail/send/SmtpEmailSender.java
@@ -20,7 +20,7 @@
 import com.google.common.primitives.Ints;
 import com.google.gerrit.common.Nullable;
 import com.google.gerrit.common.Version;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.mail.Address;
 import com.google.gerrit.mail.EmailHeader;
 import com.google.gerrit.server.config.ConfigUtil;
diff --git a/java/com/google/gerrit/server/patch/PatchFile.java b/java/com/google/gerrit/server/patch/PatchFile.java
index aff519a..1593b11 100644
--- a/java/com/google/gerrit/server/patch/PatchFile.java
+++ b/java/com/google/gerrit/server/patch/PatchFile.java
@@ -16,7 +16,7 @@
 
 import static java.nio.charset.StandardCharsets.UTF_8;
 
-import com.google.gerrit.common.errors.NoSuchEntityException;
+import com.google.gerrit.exceptions.NoSuchEntityException;
 import com.google.gerrit.reviewdb.client.Patch;
 import java.io.IOException;
 import org.eclipse.jgit.errors.CorruptObjectException;
diff --git a/java/com/google/gerrit/server/project/ProjectConfig.java b/java/com/google/gerrit/server/project/ProjectConfig.java
index 8b8e5f7..3700556 100644
--- a/java/com/google/gerrit/server/project/ProjectConfig.java
+++ b/java/com/google/gerrit/server/project/ProjectConfig.java
@@ -42,7 +42,7 @@
 import com.google.gerrit.common.data.PermissionRule;
 import com.google.gerrit.common.data.PermissionRule.Action;
 import com.google.gerrit.common.data.SubscribeSection;
-import com.google.gerrit.common.errors.InvalidNameException;
+import com.google.gerrit.exceptions.InvalidNameException;
 import com.google.gerrit.extensions.client.InheritableBoolean;
 import com.google.gerrit.extensions.client.ProjectState;
 import com.google.gerrit.mail.Address;
diff --git a/java/com/google/gerrit/server/project/RefPattern.java b/java/com/google/gerrit/server/project/RefPattern.java
index ac7e127..0e916fb 100644
--- a/java/com/google/gerrit/server/project/RefPattern.java
+++ b/java/com/google/gerrit/server/project/RefPattern.java
@@ -19,7 +19,7 @@
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
 import com.google.gerrit.common.data.AccessSection;
-import com.google.gerrit.common.errors.InvalidNameException;
+import com.google.gerrit.exceptions.InvalidNameException;
 import dk.brics.automaton.RegExp;
 import java.util.concurrent.ExecutionException;
 import java.util.regex.Pattern;
diff --git a/java/com/google/gerrit/server/query/account/AccountQueryBuilder.java b/java/com/google/gerrit/server/query/account/AccountQueryBuilder.java
index 1d23dbf..c2c8759 100644
--- a/java/com/google/gerrit/server/query/account/AccountQueryBuilder.java
+++ b/java/com/google/gerrit/server/query/account/AccountQueryBuilder.java
@@ -17,7 +17,7 @@
 import com.google.common.collect.Lists;
 import com.google.common.flogger.FluentLogger;
 import com.google.common.primitives.Ints;
-import com.google.gerrit.common.errors.NotSignedInException;
+import com.google.gerrit.exceptions.NotSignedInException;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.index.Index;
 import com.google.gerrit.index.Schema;
diff --git a/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java b/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java
index 4bb90ac..1177282 100644
--- a/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java
+++ b/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java
@@ -31,7 +31,7 @@
 import com.google.gerrit.common.data.GroupDescription;
 import com.google.gerrit.common.data.GroupReference;
 import com.google.gerrit.common.data.SubmitRecord;
-import com.google.gerrit.common.errors.NotSignedInException;
+import com.google.gerrit.exceptions.NotSignedInException;
 import com.google.gerrit.extensions.registration.DynamicMap;
 import com.google.gerrit.index.IndexConfig;
 import com.google.gerrit.index.Schema;
diff --git a/java/com/google/gerrit/server/query/group/GroupIsVisibleToPredicate.java b/java/com/google/gerrit/server/query/group/GroupIsVisibleToPredicate.java
index 144a81c..c7f1239 100644
--- a/java/com/google/gerrit/server/query/group/GroupIsVisibleToPredicate.java
+++ b/java/com/google/gerrit/server/query/group/GroupIsVisibleToPredicate.java
@@ -15,7 +15,7 @@
 package com.google.gerrit.server.query.group;
 
 import com.google.common.flogger.FluentLogger;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.index.query.IsVisibleToPredicate;
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.account.GroupControl;
diff --git a/java/com/google/gerrit/server/restapi/BUILD b/java/com/google/gerrit/server/restapi/BUILD
index a4c0c77..b34dc4f 100644
--- a/java/com/google/gerrit/server/restapi/BUILD
+++ b/java/com/google/gerrit/server/restapi/BUILD
@@ -8,6 +8,7 @@
     deps = [
         "//java/com/google/gerrit/common:annotations",
         "//java/com/google/gerrit/common:server",
+        "//java/com/google/gerrit/exceptions",
         "//java/com/google/gerrit/extensions:api",
         "//java/com/google/gerrit/index",
         "//java/com/google/gerrit/index:query_exception",
diff --git a/java/com/google/gerrit/server/restapi/account/AddSshKey.java b/java/com/google/gerrit/server/restapi/account/AddSshKey.java
index e47540d..1b3c929 100644
--- a/java/com/google/gerrit/server/restapi/account/AddSshKey.java
+++ b/java/com/google/gerrit/server/restapi/account/AddSshKey.java
@@ -18,8 +18,8 @@
 
 import com.google.common.flogger.FluentLogger;
 import com.google.common.io.ByteSource;
-import com.google.gerrit.common.errors.EmailException;
-import com.google.gerrit.common.errors.InvalidSshKeyException;
+import com.google.gerrit.exceptions.EmailException;
+import com.google.gerrit.exceptions.InvalidSshKeyException;
 import com.google.gerrit.extensions.api.accounts.SshKeyInput;
 import com.google.gerrit.extensions.common.SshKeyInfo;
 import com.google.gerrit.extensions.restapi.AuthException;
diff --git a/java/com/google/gerrit/server/restapi/account/CreateAccount.java b/java/com/google/gerrit/server/restapi/account/CreateAccount.java
index b704fd1..e879ebc 100644
--- a/java/com/google/gerrit/server/restapi/account/CreateAccount.java
+++ b/java/com/google/gerrit/server/restapi/account/CreateAccount.java
@@ -22,8 +22,8 @@
 import com.google.gerrit.common.Nullable;
 import com.google.gerrit.common.data.GlobalCapability;
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.InvalidSshKeyException;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.InvalidSshKeyException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.annotations.RequiresCapability;
 import com.google.gerrit.extensions.api.accounts.AccountInput;
 import com.google.gerrit.extensions.common.AccountInfo;
diff --git a/java/com/google/gerrit/server/restapi/account/CreateEmail.java b/java/com/google/gerrit/server/restapi/account/CreateEmail.java
index e4e8525..45dcd65 100644
--- a/java/com/google/gerrit/server/restapi/account/CreateEmail.java
+++ b/java/com/google/gerrit/server/restapi/account/CreateEmail.java
@@ -17,7 +17,7 @@
 import static com.google.gerrit.extensions.client.AuthType.DEVELOPMENT_BECOME_ANY_ACCOUNT;
 
 import com.google.common.flogger.FluentLogger;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.accounts.EmailInput;
 import com.google.gerrit.extensions.client.AccountFieldName;
 import com.google.gerrit.extensions.common.EmailInfo;
diff --git a/java/com/google/gerrit/server/restapi/account/GetGroups.java b/java/com/google/gerrit/server/restapi/account/GetGroups.java
index ad9746e..ac4968e 100644
--- a/java/com/google/gerrit/server/restapi/account/GetGroups.java
+++ b/java/com/google/gerrit/server/restapi/account/GetGroups.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.restapi.account;
 
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.common.GroupInfo;
 import com.google.gerrit.extensions.restapi.RestReadView;
 import com.google.gerrit.reviewdb.client.Account;
diff --git a/java/com/google/gerrit/server/restapi/account/PutAgreement.java b/java/com/google/gerrit/server/restapi/account/PutAgreement.java
index 0d8a816..3702b70 100644
--- a/java/com/google/gerrit/server/restapi/account/PutAgreement.java
+++ b/java/com/google/gerrit/server/restapi/account/PutAgreement.java
@@ -17,7 +17,7 @@
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableSet;
 import com.google.gerrit.common.data.ContributorAgreement;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.api.accounts.AgreementInput;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.extensions.restapi.BadRequestException;
diff --git a/java/com/google/gerrit/server/restapi/config/AgreementJson.java b/java/com/google/gerrit/server/restapi/config/AgreementJson.java
index 02e5f68..05cf7e5 100644
--- a/java/com/google/gerrit/server/restapi/config/AgreementJson.java
+++ b/java/com/google/gerrit/server/restapi/config/AgreementJson.java
@@ -17,7 +17,7 @@
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.common.data.ContributorAgreement;
 import com.google.gerrit.common.data.GroupReference;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.common.AgreementInfo;
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.IdentifiedUser;
diff --git a/java/com/google/gerrit/server/restapi/group/AddMembers.java b/java/com/google/gerrit/server/restapi/group/AddMembers.java
index 2d2d02b..423145a 100644
--- a/java/com/google/gerrit/server/restapi/group/AddMembers.java
+++ b/java/com/google/gerrit/server/restapi/group/AddMembers.java
@@ -18,7 +18,7 @@
 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.client.AuthType;
 import com.google.gerrit.extensions.common.AccountInfo;
 import com.google.gerrit.extensions.restapi.AuthException;
diff --git a/java/com/google/gerrit/server/restapi/group/AddSubgroups.java b/java/com/google/gerrit/server/restapi/group/AddSubgroups.java
index 9782ad3..5942db8 100644
--- a/java/com/google/gerrit/server/restapi/group/AddSubgroups.java
+++ b/java/com/google/gerrit/server/restapi/group/AddSubgroups.java
@@ -19,7 +19,7 @@
 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.common.GroupInfo;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.extensions.restapi.DefaultInput;
diff --git a/java/com/google/gerrit/server/restapi/group/DeleteMembers.java b/java/com/google/gerrit/server/restapi/group/DeleteMembers.java
index fca88e7..b552524 100644
--- a/java/com/google/gerrit/server/restapi/group/DeleteMembers.java
+++ b/java/com/google/gerrit/server/restapi/group/DeleteMembers.java
@@ -16,7 +16,7 @@
 
 import com.google.common.collect.Sets;
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
diff --git a/java/com/google/gerrit/server/restapi/group/DeleteSubgroups.java b/java/com/google/gerrit/server/restapi/group/DeleteSubgroups.java
index c486af4..687e4ea 100644
--- a/java/com/google/gerrit/server/restapi/group/DeleteSubgroups.java
+++ b/java/com/google/gerrit/server/restapi/group/DeleteSubgroups.java
@@ -17,7 +17,7 @@
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Sets;
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
diff --git a/java/com/google/gerrit/server/restapi/group/GetOwner.java b/java/com/google/gerrit/server/restapi/group/GetOwner.java
index 0906ce6..4e8c219 100644
--- a/java/com/google/gerrit/server/restapi/group/GetOwner.java
+++ b/java/com/google/gerrit/server/restapi/group/GetOwner.java
@@ -15,7 +15,7 @@
 package com.google.gerrit.server.restapi.group;
 
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.common.GroupInfo;
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
 import com.google.gerrit.extensions.restapi.RestReadView;
diff --git a/java/com/google/gerrit/server/restapi/group/ListGroups.java b/java/com/google/gerrit/server/restapi/group/ListGroups.java
index 600379c..982a5f3 100644
--- a/java/com/google/gerrit/server/restapi/group/ListGroups.java
+++ b/java/com/google/gerrit/server/restapi/group/ListGroups.java
@@ -23,7 +23,7 @@
 import com.google.common.collect.Streams;
 import com.google.gerrit.common.data.GroupDescription;
 import com.google.gerrit.common.data.GroupReference;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.client.ListGroupsOption;
 import com.google.gerrit.extensions.client.ListOption;
 import com.google.gerrit.extensions.common.GroupInfo;
diff --git a/java/com/google/gerrit/server/restapi/group/ListSubgroups.java b/java/com/google/gerrit/server/restapi/group/ListSubgroups.java
index 864b01b..0f547dc 100644
--- a/java/com/google/gerrit/server/restapi/group/ListSubgroups.java
+++ b/java/com/google/gerrit/server/restapi/group/ListSubgroups.java
@@ -19,7 +19,7 @@
 
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.common.GroupInfo;
 import com.google.gerrit.extensions.restapi.RestReadView;
 import com.google.gerrit.reviewdb.client.AccountGroup;
diff --git a/java/com/google/gerrit/server/restapi/group/PutDescription.java b/java/com/google/gerrit/server/restapi/group/PutDescription.java
index dbc124b..ad5b9da 100644
--- a/java/com/google/gerrit/server/restapi/group/PutDescription.java
+++ b/java/com/google/gerrit/server/restapi/group/PutDescription.java
@@ -16,7 +16,7 @@
 
 import com.google.common.base.Strings;
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.common.DescriptionInput;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
diff --git a/java/com/google/gerrit/server/restapi/group/PutName.java b/java/com/google/gerrit/server/restapi/group/PutName.java
index 1f1968a..a1fa613 100644
--- a/java/com/google/gerrit/server/restapi/group/PutName.java
+++ b/java/com/google/gerrit/server/restapi/group/PutName.java
@@ -16,7 +16,7 @@
 
 import com.google.common.base.Strings;
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.common.NameInput;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.extensions.restapi.BadRequestException;
diff --git a/java/com/google/gerrit/server/restapi/group/PutOptions.java b/java/com/google/gerrit/server/restapi/group/PutOptions.java
index 29b87d2..d074c28 100644
--- a/java/com/google/gerrit/server/restapi/group/PutOptions.java
+++ b/java/com/google/gerrit/server/restapi/group/PutOptions.java
@@ -15,7 +15,7 @@
 package com.google.gerrit.server.restapi.group;
 
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.common.GroupOptionsInfo;
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.extensions.restapi.BadRequestException;
diff --git a/java/com/google/gerrit/server/restapi/group/PutOwner.java b/java/com/google/gerrit/server/restapi/group/PutOwner.java
index 6ebec05..d23965b 100644
--- a/java/com/google/gerrit/server/restapi/group/PutOwner.java
+++ b/java/com/google/gerrit/server/restapi/group/PutOwner.java
@@ -16,7 +16,7 @@
 
 import com.google.common.base.Strings;
 import com.google.gerrit.common.data.GroupDescription;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.api.groups.OwnerInput;
 import com.google.gerrit.extensions.common.GroupInfo;
 import com.google.gerrit.extensions.restapi.AuthException;
diff --git a/java/com/google/gerrit/server/restapi/project/CreateAccessChange.java b/java/com/google/gerrit/server/restapi/project/CreateAccessChange.java
index c3bbb60..4ade011 100644
--- a/java/com/google/gerrit/server/restapi/project/CreateAccessChange.java
+++ b/java/com/google/gerrit/server/restapi/project/CreateAccessChange.java
@@ -16,7 +16,7 @@
 
 import com.google.common.collect.ImmutableMap;
 import com.google.gerrit.common.data.AccessSection;
-import com.google.gerrit.common.errors.InvalidNameException;
+import com.google.gerrit.exceptions.InvalidNameException;
 import com.google.gerrit.extensions.api.access.ProjectAccessInput;
 import com.google.gerrit.extensions.common.ChangeInfo;
 import com.google.gerrit.extensions.restapi.AuthException;
diff --git a/java/com/google/gerrit/server/restapi/project/ListProjects.java b/java/com/google/gerrit/server/restapi/project/ListProjects.java
index dc7e537..b4a9001 100644
--- a/java/com/google/gerrit/server/restapi/project/ListProjects.java
+++ b/java/com/google/gerrit/server/restapi/project/ListProjects.java
@@ -27,7 +27,7 @@
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.common.Nullable;
 import com.google.gerrit.common.data.GroupReference;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.common.ProjectInfo;
 import com.google.gerrit.extensions.common.WebLinkInfo;
 import com.google.gerrit.extensions.restapi.AuthException;
diff --git a/java/com/google/gerrit/server/restapi/project/SetAccess.java b/java/com/google/gerrit/server/restapi/project/SetAccess.java
index 19e89a9..25ab42b 100644
--- a/java/com/google/gerrit/server/restapi/project/SetAccess.java
+++ b/java/com/google/gerrit/server/restapi/project/SetAccess.java
@@ -17,7 +17,7 @@
 import com.google.common.base.Strings;
 import com.google.common.collect.Iterables;
 import com.google.gerrit.common.data.AccessSection;
-import com.google.gerrit.common.errors.InvalidNameException;
+import com.google.gerrit.exceptions.InvalidNameException;
 import com.google.gerrit.extensions.api.access.ProjectAccessInfo;
 import com.google.gerrit.extensions.api.access.ProjectAccessInput;
 import com.google.gerrit.extensions.restapi.AuthException;
diff --git a/java/com/google/gerrit/server/restapi/project/SetAccessUtil.java b/java/com/google/gerrit/server/restapi/project/SetAccessUtil.java
index 25e907e..e206319 100644
--- a/java/com/google/gerrit/server/restapi/project/SetAccessUtil.java
+++ b/java/com/google/gerrit/server/restapi/project/SetAccessUtil.java
@@ -21,7 +21,7 @@
 import com.google.gerrit.common.data.GroupReference;
 import com.google.gerrit.common.data.Permission;
 import com.google.gerrit.common.data.PermissionRule;
-import com.google.gerrit.common.errors.InvalidNameException;
+import com.google.gerrit.exceptions.InvalidNameException;
 import com.google.gerrit.extensions.api.access.AccessSectionInfo;
 import com.google.gerrit.extensions.api.access.PermissionInfo;
 import com.google.gerrit.extensions.api.access.PermissionRuleInfo;
diff --git a/java/com/google/gerrit/server/ssh/NoSshKeyCache.java b/java/com/google/gerrit/server/ssh/NoSshKeyCache.java
index 387242c..74bb50c 100644
--- a/java/com/google/gerrit/server/ssh/NoSshKeyCache.java
+++ b/java/com/google/gerrit/server/ssh/NoSshKeyCache.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.ssh;
 
-import com.google.gerrit.common.errors.InvalidSshKeyException;
+import com.google.gerrit.exceptions.InvalidSshKeyException;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.server.account.AccountSshKey;
 import com.google.inject.AbstractModule;
diff --git a/java/com/google/gerrit/server/ssh/SshKeyCreator.java b/java/com/google/gerrit/server/ssh/SshKeyCreator.java
index 55ba5ed..beaf1ba 100644
--- a/java/com/google/gerrit/server/ssh/SshKeyCreator.java
+++ b/java/com/google/gerrit/server/ssh/SshKeyCreator.java
@@ -14,7 +14,7 @@
 
 package com.google.gerrit.server.ssh;
 
-import com.google.gerrit.common.errors.InvalidSshKeyException;
+import com.google.gerrit.exceptions.InvalidSshKeyException;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.server.account.AccountSshKey;
 
diff --git a/java/com/google/gerrit/server/util/ThreadLocalRequestContext.java b/java/com/google/gerrit/server/util/ThreadLocalRequestContext.java
index 06e93f8..afd699c 100644
--- a/java/com/google/gerrit/server/util/ThreadLocalRequestContext.java
+++ b/java/com/google/gerrit/server/util/ThreadLocalRequestContext.java
@@ -16,7 +16,7 @@
 
 import com.google.common.base.MoreObjects;
 import com.google.gerrit.common.Nullable;
-import com.google.gerrit.common.errors.NotSignedInException;
+import com.google.gerrit.exceptions.NotSignedInException;
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.IdentifiedUser;
 import com.google.inject.AbstractModule;
diff --git a/java/com/google/gerrit/sshd/BUILD b/java/com/google/gerrit/sshd/BUILD
index b30fa02..537d849 100644
--- a/java/com/google/gerrit/sshd/BUILD
+++ b/java/com/google/gerrit/sshd/BUILD
@@ -5,6 +5,7 @@
     deps = [
         "//java/com/google/gerrit/common:annotations",
         "//java/com/google/gerrit/common:server",
+        "//java/com/google/gerrit/exceptions",
         "//java/com/google/gerrit/extensions:api",
         "//java/com/google/gerrit/json",
         "//java/com/google/gerrit/lifecycle",
diff --git a/java/com/google/gerrit/sshd/SshKeyCreatorImpl.java b/java/com/google/gerrit/sshd/SshKeyCreatorImpl.java
index d89f9e0..da0ec1d 100644
--- a/java/com/google/gerrit/sshd/SshKeyCreatorImpl.java
+++ b/java/com/google/gerrit/sshd/SshKeyCreatorImpl.java
@@ -15,7 +15,7 @@
 package com.google.gerrit.sshd;
 
 import com.google.common.flogger.FluentLogger;
-import com.google.gerrit.common.errors.InvalidSshKeyException;
+import com.google.gerrit.exceptions.InvalidSshKeyException;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.server.account.AccountSshKey;
 import com.google.gerrit.server.ssh.SshKeyCreator;
diff --git a/java/com/google/gerrit/sshd/commands/SetAccountCommand.java b/java/com/google/gerrit/sshd/commands/SetAccountCommand.java
index 9bcb103..91f8535 100644
--- a/java/com/google/gerrit/sshd/commands/SetAccountCommand.java
+++ b/java/com/google/gerrit/sshd/commands/SetAccountCommand.java
@@ -18,7 +18,7 @@
 
 import com.google.common.base.Strings;
 import com.google.gerrit.common.RawInputUtil;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.extensions.api.accounts.EmailInput;
 import com.google.gerrit.extensions.api.accounts.SshKeyInput;
 import com.google.gerrit.extensions.common.EmailInfo;
diff --git a/java/com/google/gerrit/testing/BUILD b/java/com/google/gerrit/testing/BUILD
index 78f680e..1c95d2d 100644
--- a/java/com/google/gerrit/testing/BUILD
+++ b/java/com/google/gerrit/testing/BUILD
@@ -14,6 +14,7 @@
     deps = [
         "//java/com/google/gerrit/common:annotations",
         "//java/com/google/gerrit/common:server",
+        "//java/com/google/gerrit/exceptions",
         "//java/com/google/gerrit/extensions:api",
         "//java/com/google/gerrit/gpg",
         "//java/com/google/gerrit/index",
diff --git a/java/com/google/gerrit/testing/FakeEmailSender.java b/java/com/google/gerrit/testing/FakeEmailSender.java
index 4977cb3..a60995b 100644
--- a/java/com/google/gerrit/testing/FakeEmailSender.java
+++ b/java/com/google/gerrit/testing/FakeEmailSender.java
@@ -21,7 +21,7 @@
 import com.google.common.collect.ImmutableMap;
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.common.Nullable;
-import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.mail.Address;
 import com.google.gerrit.mail.EmailHeader;
 import com.google.gerrit.mail.MailHeader;
diff --git a/javatests/com/google/gerrit/acceptance/api/group/GroupIndexerIT.java b/javatests/com/google/gerrit/acceptance/api/group/GroupIndexerIT.java
index 3f09db9..ee81683 100644
--- a/javatests/com/google/gerrit/acceptance/api/group/GroupIndexerIT.java
+++ b/javatests/com/google/gerrit/acceptance/api/group/GroupIndexerIT.java
@@ -20,7 +20,7 @@
 import static com.google.gerrit.truth.OptionalSubject.assertThat;
 
 import com.google.common.collect.ImmutableSet;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.extensions.api.GerritApi;
 import com.google.gerrit.extensions.common.GroupInfo;
 import com.google.gerrit.extensions.restapi.RestApiException;
diff --git a/javatests/com/google/gerrit/acceptance/api/group/GroupsUpdateIT.java b/javatests/com/google/gerrit/acceptance/api/group/GroupsUpdateIT.java
index 7056312..72c1257 100644
--- a/javatests/com/google/gerrit/acceptance/api/group/GroupsUpdateIT.java
+++ b/javatests/com/google/gerrit/acceptance/api/group/GroupsUpdateIT.java
@@ -18,7 +18,7 @@
 
 import com.google.common.collect.ImmutableSet;
 import com.google.gerrit.common.data.GroupReference;
-import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.exceptions.NoSuchGroupException;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.server.ServerInitiated;
diff --git a/javatests/com/google/gerrit/server/BUILD b/javatests/com/google/gerrit/server/BUILD
index e9dc6a3..d0114f3 100644
--- a/javatests/com/google/gerrit/server/BUILD
+++ b/javatests/com/google/gerrit/server/BUILD
@@ -36,6 +36,7 @@
         ":custom-truth-subjects",
         "//java/com/google/gerrit/common:annotations",
         "//java/com/google/gerrit/common:server",
+        "//java/com/google/gerrit/exceptions",
         "//java/com/google/gerrit/extensions:api",
         "//java/com/google/gerrit/extensions/common/testing:common-test-util",
         "//java/com/google/gerrit/git",
diff --git a/javatests/com/google/gerrit/server/permissions/RefControlTest.java b/javatests/com/google/gerrit/server/permissions/RefControlTest.java
index 3a9037c..5f08875 100644
--- a/javatests/com/google/gerrit/server/permissions/RefControlTest.java
+++ b/javatests/com/google/gerrit/server/permissions/RefControlTest.java
@@ -41,7 +41,7 @@
 import com.google.gerrit.common.data.LabelType;
 import com.google.gerrit.common.data.PermissionRange;
 import com.google.gerrit.common.data.PermissionRule;
-import com.google.gerrit.common.errors.InvalidNameException;
+import com.google.gerrit.exceptions.InvalidNameException;
 import com.google.gerrit.extensions.api.projects.CommentLinkInfo;
 import com.google.gerrit.metrics.MetricMaker;
 import com.google.gerrit.reviewdb.client.AccountGroup;