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https://issues.apache.org/jira/browse/MAPREDUCE-7053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16367455#comment-16367455
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Eric Payne edited comment on MAPREDUCE-7053 at 5/7/18 1:15 PM:
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Thanks [~jlowe].
I committed MAPREDUCE-7053.001.patch to trunk, and cherry-picked to branch-3.1,
branch-3.0, and -branch-3.0.1-.
I committed MAPREDUCE-7053-branch-2.001.patch branch-2, branch-2.9 and
branch-2.8
was (Author: eepayne):
Thanks [~jlowe].
I committed MAPREDUCE-7053.001.patch to trunk, and cherry-picked to branch-3.1,
branch-3.0, and branch-3.0.1.
I committed MAPREDUCE-7053-branch-2.001.patch branch-2, branch-2.9 and
branch-2.8
> Timed out tasks can fail to produce thread dump
> -----------------------------------------------
>
> Key: MAPREDUCE-7053
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7053
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 3.1.0, 3.0.1, 2.10.0, 2.9.1, 2.8.4
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Major
> Fix For: 3.1.0, 2.10.0, 2.9.1, 2.8.4, 3.0.3
>
> Attachments: MAPREDUCE-7053-branch-2.001.patch,
> MAPREDUCE-7053.001.patch
>
>
> TestMRJobs#testThreadDumpOnTaskTimeout has been failing sporadically
> recently. When the AM times out a task it immediately removes it from the
> list of known tasks and then connects to the NM to request a thread dump
> followed by a kill. If the task heartbeats in after the task has been
> removed from the list of known tasks but before the thread dump signal
> arrives then the task can exit with a "org.apache.hadoop.mapred.Task: Parent
> died." message and no thread dump.
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