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Date: Wed, 12 Dec 2012 14:59:22 +0000 (UTC)
From: "Tom White (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.12618358.1354298741772.23357.1355324362409@arcas>
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Subject: [jira] [Commented] (YARN-253) Container launch may fail if no files
 were localized
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    [ 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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