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https://issues.apache.org/jira/browse/TEZ-3930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16463095#comment-16463095
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Jonathan Eagles commented on TEZ-3930:
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[~jlowe], do you have any insights into who is at fault for the hang in this
jira? YARN? TEZ?
> TestDagAwareYarnTaskScheduler fails on Hadoop 3
> -----------------------------------------------
>
> Key: TEZ-3930
> URL: https://issues.apache.org/jira/browse/TEZ-3930
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Jonathan Eagles
> Priority: Major
>
> When scheduler shutdown is called, the AMRMClientAsyncImple serviceStop is
> invoke, which then interrupts the heartbeat thread and then proceeds to join
> on the heartbeat thread. The heartbeat thread continues to run and continues
> to throw NullPointerExceptions. The interrupt doesn't seem to cause the
> thread to be interrupted now in Hadoop 3 (is YARN-5999 to blame or Tez)
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