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https://issues.apache.org/jira/browse/YARN-4355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15091535#comment-15091535
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Varun Saxena commented on YARN-4355:
------------------------------------
Kindly review. The checkstyle issues are due to the surrounding statements
within switch case. If I change the indentation of the line modified by me, I
will have to change several lines before and after it, which have no direct
connection with the change required for the patch. So leaving it as it is.
> NPE while processing localizer heartbeat
> ----------------------------------------
>
> Key: YARN-4355
> URL: https://issues.apache.org/jira/browse/YARN-4355
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.7.2
> Reporter: Jason Lowe
> Assignee: Varun Saxena
> Attachments: YARN-4355.01.patch
>
>
> While analyzing YARN-4354 I noticed a nodemanager was getting NPEs while
> processing a private localizer heartbeat. I think there's a race where we
> can cleanup resources for an application and therefore remove the app local
> resource tracker just as we are trying to handle the localizer heartbeat.
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