PutConfig: add cause to ResourceConflictException

When update of project config fails there is no way
to know what is the cause.

Change-Id: I9bfd398c6e69865d332dd9849a0cb66a297473b4
Signed-off-by: Eryk Szymanski <eryksz@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/project/PutConfig.java b/gerrit-server/src/main/java/com/google/gerrit/server/project/PutConfig.java
index 2132ef4adb..a7e6d10dc8 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/project/PutConfig.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/project/PutConfig.java
@@ -169,7 +169,7 @@ public class PutConfig implements RestModifyView<ProjectResource, ConfigInput> {
               "Cannot update " + projectName + ": " + e.getCause().getMessage());
         }
         log.warn("Failed to update config of project {}.", projectName, e);
-        throw new ResourceConflictException("Cannot update " + projectName);
+        throw new ResourceConflictException("Cannot update " + projectName, e);
       }
 
       ProjectState state = projectStateFactory.create(projectConfig);