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https://issues.apache.org/jira/browse/YARN-713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13906452#comment-13906452
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Vinod Kumar Vavilapalli commented on YARN-713:
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Done. Compiled branches branch-2 and branch-2.4 and things look okay now.
> ResourceManager can exit unexpectedly if DNS is unavailable
> -----------------------------------------------------------
>
> Key: YARN-713
> URL: https://issues.apache.org/jira/browse/YARN-713
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.1.0-beta
> Reporter: Jason Lowe
> Assignee: Jian He
> Priority: Critical
> Fix For: 2.4.0
>
> Attachments: YARN-713.09052013.1.patch, YARN-713.09062013.1.patch,
> YARN-713.1.patch, YARN-713.2.patch, YARN-713.20130910.1.patch,
> YARN-713.3.patch, YARN-713.4.patch, YARN-713.5.patch, YARN-713.6.patch,
> YARN-713.patch, YARN-713.patch, YARN-713.patch, YARN-713.patch
>
>
> As discussed in MAPREDUCE-5261, there's a possibility that a DNS outage could
> lead to an unhandled exception in the ResourceManager's AsyncDispatcher, and
> that ultimately would cause the RM to exit. The RM should not exit during
> DNS hiccups.
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