at com.google.gerrit.server.git.receive.ReceiveCommits$1.apply(ReceiveCommits.java:288)
at com.google.gerrit.server.git.receive.ReceiveCommits$1.apply(ReceiveCommits.java:279)
at com.google.gerrit.server.git.receive.ReceiveCommits.insertChangesAndPatchSets(ReceiveCommits.java:721)
at com.google.gerrit.server.git.receive.ReceiveCommits.processCommands(ReceiveCommits.java:551)
at com.google.gerrit.server.git.receive.AsyncReceiveCommits$Worker.run(AsyncReceiveCommits.java:113)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at com.google.gerrit.server.util.RequestScopePropagator.lambda$cleanup$1(RequestScopePropagator.java:212)
at com.google.gerrit.server.util.RequestScopePropagator.lambda$context$0(RequestScopePropagator.java:191)
at com.google.inject.servlet.ServletScopes$4.call(ServletScopes.java:447)
at com.google.gerrit.server.util.RequestScopePropagator$1.call(RequestScopePropagator.java:94)
at com.google.gerrit.server.util.RequestScopePropagator$2.run(RequestScopePropagator.java:125)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at com.google.gerrit.server.git.WorkQueue$Task.run(WorkQueue.java:558)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.google.gerrit.server.update.UpdateException: com.google.gerrit.server.git.LockFailureException: Update aborted with one or more lock failures: PackedBatchRefUpdate[