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https://issues.apache.org/jira/browse/YARN-400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13582247#comment-13582247
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Thomas Graves commented on YARN-400:
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+1 Thanks Jason!
> RM can return null application resource usage report leading to NPE in client
> -----------------------------------------------------------------------------
>
> Key: YARN-400
> URL: https://issues.apache.org/jira/browse/YARN-400
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.0.3-alpha, 0.23.6
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Critical
> Attachments: YARN-400-branch-0.23.patch, YARN-400.patch
>
>
> RMAppImpl.createAndGetApplicationReport can return a report with a null
> resource usage report if full access to the app is allowed but the
> application has no current attempt. This leads to NPEs in client code that
> assumes an app report will always have at least an empty resource usage
> report.
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