[2017-07-28 00:09:14,372] [SSH git-upload-pack 'xxx' (compiler)] ERROR com.google.gerrit.sshd.BaseCommand : Internal server error (user yyy account 9) during git-upload-pack 'xxx'
org.eclipse.jgit.transport.UploadPackInternalServerErrorException
at org.eclipse.jgit.transport.UploadPack.service(UploadPack.java:768)
at org.eclipse.jgit.transport.UploadPack.upload(UploadPack.java:667)
at com.google.gerrit.sshd.commands.Upload.runImpl(Upload.java:92)
at com.google.gerrit.sshd.AbstractGitCommand.service(AbstractGitCommand.java:101)
at com.google.gerrit.sshd.AbstractGitCommand.access$000(AbstractGitCommand.java:32)
at com.google.gerrit.sshd.AbstractGitCommand$1.run(AbstractGitCommand.java:70)
at com.google.gerrit.sshd.BaseCommand$TaskThunk.run(BaseCommand.java:442)
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$Task.run(WorkQueue.java:417)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.InterruptedIOException: Read timed out after 30,000 ms
at org.eclipse.jgit.util.io.TimeoutInputStream.readTimedOut(TimeoutInputStream.java:141)
at org.eclipse.jgit.util.io.TimeoutInputStream.read(TimeoutInputStream.java:114)
at org.eclipse.jgit.util.IO.readFully(IO.java:247)
at org.eclipse.jgit.transport.PacketLineIn.readLength(PacketLineIn.java:212)
at org.eclipse.jgit.transport.PacketLineIn.readString(PacketLineIn.java:142)
at org.eclipse.jgit.transport.UploadPack.recvWants(UploadPack.java:942)
at org.eclipse.jgit.transport.UploadPack.service(UploadPack.java:724)
... 14 more