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https://issues.apache.org/jira/browse/YARN-6805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16085466#comment-16085466
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Varun Vasudev commented on YARN-6805:
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Doesn't look like the findbugs warnings are related to the patch. +1 from me.
> NPE in LinuxContainerExecutor due to null PrivilegedOperationException exit
> code
> --------------------------------------------------------------------------------
>
> Key: YARN-6805
> URL: https://issues.apache.org/jira/browse/YARN-6805
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.8.1
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Attachments: YARN-6805.001.patch
>
>
> The LinuxContainerExecutor contains a number of code snippets like this:
> {code}
> } catch (PrivilegedOperationException e) {
> int exitCode = e.getExitCode();
> {code}
> PrivilegedOperationException#getExitCode can return null if the operation was
> interrupted, so when the JVM does auto-unboxing on that last line it can NPE
> if there was no exit code.
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