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https://issues.apache.org/jira/browse/BEAM-1582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16743799#comment-16743799
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Etienne Chauchot commented on BEAM-1582:
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[~kenn] I took a look at the PostCommit history. The last flake of
ResumeFromCheckpointStreamingTest was 04/24/18. there was some failures by the
end of April and they are all related to
{code:java}
ERROR org.apache.zookeeper.server.ZooKeeperServer - ZKShutdownHandler is not
registered, so ZooKeeper server won't take any action on ERROR or SHUTDOWN
server state changes
{code}
IMHO we should not close this ticket because, as [~amitsela] and [~aviemzur]
said, there is no fix right now. I think that postponing this ticket as you did
is the right choice as it is not a release blocker IMHO (seems related to
load). We could take care of it in the future.
> ResumeFromCheckpointStreamingTest flakes with what appears as a second firing.
> ------------------------------------------------------------------------------
>
> Key: BEAM-1582
> URL: https://issues.apache.org/jira/browse/BEAM-1582
> Project: Beam
> Issue Type: Bug
> Components: runner-spark
> Reporter: Amit Sela
> Priority: Minor
> Labels: flake
> Fix For: 2.11.0
>
>
> See:
> https://builds.apache.org/view/Beam/job/beam_PostCommit_Java_MavenInstall/org.apache.beam$beam-runners-spark/2788/testReport/junit/org.apache.beam.runners.spark.translation.streaming/ResumeFromCheckpointStreamingTest/testWithResume/
> After some digging in it appears that a second firing occurs (though only one
> is expected) but it doesn't come from a stale state (state is empty before it
> fires).
> Might be a retry happening for some reason, which is OK in terms of
> fault-tolerance guarantees (at-least-once), but not so much in terms of flaky
> tests.
> I'm looking into this hoping to fix this ASAP.
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