"fatal: remote error: want 123xyz not valid" happens from time to time by fetching

[Yan]

Hi all, 

Our gerrit server has already been updated to v3.4.4. By fetching some repositories, we faced this problem from time to time.

The user got:

               Fetching gerrit 

               fatal: remote error: want 123xyz not valid 

               fatal: internal server error 

               error: could not fetch gerrit

On the server, the error log was:

 [2022-05-18T08:59:47.754+02:00] [SSH git-upload-pack /abc_test (userid)] ERROR com.google.gerrit.sshd.BaseCommand : Internal server error (user userid account 1) during git-upload-pack '/abc_test
org.eclipse.jgit.transport.UploadPackInternalServerErrorException
        at org.eclipse.jgit.transport.UploadPack.upload(UploadPack.java:775)
        at com.google.gerrit.sshd.commands.Upload.runImpl(Upload.java:101)
        at com.google.gerrit.sshd.AbstractGitCommand.service(AbstractGitCommand.java:109)
        at com.google.gerrit.sshd.AbstractGitCommand$1.run(AbstractGitCommand.java:74)
        at com.google.gerrit.sshd.BaseCommand$TaskThunk.run(BaseCommand.java:490)
        at com.google.gerrit.server.logging.LoggingContextAwareRunnable.run(LoggingContextAwareRunnable.java:113)
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
        at com.google.gerrit.server.git.WorkQueue$Task.run(WorkQueue.java:612)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: org.eclipse.jgit.transport.WantNotValidException: want 123xyz not valid
        at org.eclipse.jgit.transport.UploadPack$AdvertisedRequestValidator.checkWants(UploadPack.java:1856)
        at org.eclipse.jgit.transport.UploadPack.parseWants(UploadPack.java:1807)
        at org.eclipse.jgit.transport.UploadPack.processHaveLines(UploadPack.java:1696)
        at org.eclipse.jgit.transport.UploadPack.fetchV2(UploadPack.java:1207)
        at org.eclipse.jgit.transport.UploadPack.serveOneCommandV2(UploadPack.java:1294)
        at org.eclipse.jgit.transport.UploadPack.serviceV2(UploadPack.java:1334)
        at org.eclipse.jgit.transport.UploadPack.uploadWithExceptionPropagation(UploadPack.java:836)
        at org.eclipse.jgit.transport.UploadPack.upload(UploadPack.java:752)
        ... 12 more

It happens not by each fetch activity, and usually works by another try or multi attempts.  But it still bothers the users. Any idea why it happens and how to solve it?

Thanks!

Yan

[Nasser Grainawi]

On Wed, May 18, 2022 at 1:55 AM Yan <biya...@gmail.com> wrote:

Hi all, 

Our gerrit server has already been updated to v3.4.4. By fetching some repositories, we faced this problem from time to time.

The user got:

               Fetching gerrit 

               fatal: remote error: want 123xyz not valid 

               fatal: internal server error 

               error: could not fetch gerrit

Hi Yan,

Is '123xyz' a valid object in that repository? i.e. can you run something like 'git cat-file -t 123xyz' in the bare repo on the server and it works?

 

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