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https://issues.apache.org/jira/browse/MAPREDUCE-7053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei (Eddy) Xu updated MAPREDUCE-7053:
-------------------------------------
Fix Version/s: (was: 3.0.2)
3.0.3
> 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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