Amit Sela created BEAM-1582:
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Summary: 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
Assignee: Amit Sela
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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