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https://issues.apache.org/jira/browse/YARN-124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved YARN-124.
---------------------------------
Resolution: Fixed
Fix Version/s: 2.1.0-beta
> Make Yarn Node Manager services robust against shutdown
> -------------------------------------------------------
>
> Key: YARN-124
> URL: https://issues.apache.org/jira/browse/YARN-124
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Minor
> Fix For: 2.1.0-beta
>
> Attachments: MAPREDUCE-4022.patch
>
>
> Add the nodemanager bits of MAPREDUCE-3502 to shut down the Nodemanager
> services. This is done by checking for fields being non-null before shutting
> down/closing etc, and setting the fields to null afterwards -to be resilient
> against re-entrancy.
> No tests other than manual review.
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