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https://issues.apache.org/jira/browse/SPARK-28535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-28535:
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Affects Version/s: 2.3.3
2.4.3
> Flaky test: JobCancellationSuite."interruptible iterator of shuffle reader"
> ---------------------------------------------------------------------------
>
> Key: SPARK-28535
> URL: https://issues.apache.org/jira/browse/SPARK-28535
> Project: Spark
> Issue Type: Bug
> Components: Tests
> Affects Versions: 2.3.3, 3.0.0, 2.4.3
> Reporter: Marcelo Vanzin
> Priority: Minor
>
> This is the same flakiness as in SPARK-23881, except the fix there didn't
> really take, at least on our build machines.
> {noformat}
> org.scalatest.exceptions.TestFailedException: 10000 was not less than 10000
> at
> org.scalatest.Assertions$class.newAssertionFailedException(Assertions.scala:528)
> at
> org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1560)
> at
> org.scalatest.Assertions$AssertionsHelper.macroAssert(Assertions.scala:501)
> {noformat}
> Since that bug is short on explanations, the issue is that there's a race
> between the thread posting the "stage completed" event to the listener which
> unblocks the test, and the thread killing the task in the executor. If the
> even arrives first, it will unblock task execution, and there's a chance that
> all elements will actually be processed before the executor has a chance to
> stop the task.
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