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Gerrit replication: error occurred during unpacking on the remote end: unpack-objects abnormal exit #3224

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
Hi,

I'm running Gerrit 2.10 and replicating the gits (AOSP based repositories) to a 
mirror running git 2.3.0 .

During replication, from cold start, I will always see a TransportException 
error, something like below:

[2015-03-04 10:28:06,811] [52261008] Cannot replicate to 
gerrit2@10.123.1.123:/home/gerrit2/crux_replication/git/aosp/platform/frameworks
/rs.git
org.eclipse.jgit.errors.TransportException: 
gerrit2@10.123.1.123:/home/gerrit2/crux_replication/git/aosp/platform/frameworks
/rs.git: error occurred during unpacking on the remote end: unpack-objects 
abnormal exit
        at org.eclipse.jgit.transport.BasePackPushConnection.readStatusReport(BasePackPushConnection.java:319)
        at org.eclipse.jgit.transport.BasePackPushConnection.doPush(BasePackPushConnection.java:200)
        at org.eclipse.jgit.transport.BasePackPushConnection.push(BasePackPushConnection.java:152)
        at org.eclipse.jgit.transport.PushProcess.execute(PushProcess.java:165)
        at org.eclipse.jgit.transport.Transport.push(Transport.java:1200)
        at org.eclipse.jgit.transport.Transport.push(Transport.java:1246)
        at com.googlesource.gerrit.plugins.replication.PushOne.pushVia(PushOne.java:407)
        at com.googlesource.gerrit.plugins.replication.PushOne.runImpl(PushOne.java:379)
        at com.googlesource.gerrit.plugins.replication.PushOne.runPushOperation(PushOne.java:287)
        at com.googlesource.gerrit.plugins.replication.PushOne.access$000(PushOne.java:82)
        at com.googlesource.gerrit.plugins.replication.PushOne$1.call(PushOne.java:257)
        at com.googlesource.gerrit.plugins.replication.PushOne$1.call(PushOne.java:254)
        at com.google.gerrit.server.util.RequestScopePropagator$5.call(RequestScopePropagator.java:222)
        at com.google.gerrit.server.util.RequestScopePropagator$4.call(RequestScopePropagator.java:201)
        at com.google.gerrit.server.git.PerThreadRequestScope$Propagator$1.call(PerThreadRequestScope.java:75)
        at com.googlesource.gerrit.plugins.replication.PushOne.run(PushOne.java:254)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
        at com.google.gerrit.server.git.WorkQueue$Task.run(WorkQueue.java:368)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)

Most of the gits will succeed but a few won't.

gerrit show-queue shows a couple failed:

$ ssh -p 29418 <SERVER> gerrit show-queue -w
Task     State        StartTime         Command
------------------------------------------------------------------------------
341d9145 13:16:55.533 13:15:55.531      (retry 104) [52261008] push 
gerrit2@10.123.1.123:/home/gerrit2/crux_replication/git/aosp/platform/frameworks
/rs.git
d4dd15a1 13:17:09.736 13:16:09.734      (retry 104) [9cc6df33] push 
gerrit2@10.123.1.123:/home/gerrit2/crux_replication/git/aosp/platform/tools/buil
dSrc.git
98a266d4 13:18:47.984 09:28:32.657      Reload Submit Queue
58b14e1f 10:28:31.284 09:28:31.283      Log File Compressor
------------------------------------------------------------------------------
  4 tasks

To fix this issue, I currently delete the *.git on the replication mirror. 
Gerrit detects this automatically and pushes the whole repository. This will 
always succeed.

Are there any other recommendations to fix these replication errors?
I recently upgraded the replication mirror from git 1.7.9 to 2.3.0 and that has 
seemingly reduced the number of gits showing replication error, but I'd like to 
get the number down to zero.

Thanks,

Dean

Original issue reported on code.google.com by dean.whe...@gmail.com on 4 Mar 2015 at 2:21

GoogleCodeExporter commented 9 years ago 
This was an issue with user and group ownership of some files on the 
replication mirror. Setting the owner correctly resolved the issue. Please 
close the ticket. Thanks.

Original comment by dean.whe...@gmail.com on 26 Mar 2015 at 10:27