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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6805) NPE in LinuxContainerExecutor due to null PrivilegedOperationException exit code
Date Thu, 13 Jul 2017 22:38:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16086541#comment-16086541
] 

Jason Lowe commented on YARN-6805:
----------------------------------

Thanks for the reviews!  I'll fix the whitespace nit on the commit.

> 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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