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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-253) Container launch may fail if no files were localized
Date Wed, 12 Dec 2012 14:59:22 GMT

    [ https://issues.apache.org/jira/browse/YARN-253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13530009#comment-13530009
] 

Tom White commented on YARN-253:
--------------------------------

Thanks Vinod. Looking at LCE, it seems to handle this case already since create_container_directories
uses mkdirs which will create parent directories as needed.

I'll create another patch which removes the comment and temp files.
                
> Container launch may fail if no files were localized
> ----------------------------------------------------
>
>                 Key: YARN-253
>                 URL: https://issues.apache.org/jira/browse/YARN-253
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.0.2-alpha
>            Reporter: Tom White
>            Assignee: Tom White
>            Priority: Blocker
>         Attachments: YARN-253.patch, YARN-253-test.patch
>
>
> This can be demonstrated with DistributedShell. The containers running the shell do not
have any files to localize (if there is no shell script to copy) so if they run on a different
NM to the AM (which does localize files), then they will fail since the appcache directory
does not exist.

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