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https://issues.apache.org/jira/browse/YARN-644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14533840#comment-14533840
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Varun Saxena commented on YARN-644:
-----------------------------------

OK...That's a good suggestion. Will make the change

> Basic null check is not performed on passed in arguments before using them in 
> ContainerManagerImpl.startContainer
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-644
>                 URL: https://issues.apache.org/jira/browse/YARN-644
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Omkar Vinit Joshi
>            Assignee: Varun Saxena
>            Priority: Minor
>              Labels: BB2015-05-TBR, newbie
>         Attachments: YARN-644.001.patch, YARN-644.002.patch, YARN-644.03.patch
>
>
> I see that validation/ null check is not performed on passed in parameters. 
> Ex. tokenId.getContainerID().getApplicationAttemptId() inside 
> ContainerManagerImpl.authorizeRequest()
> I guess we should add these checks.



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