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https://issues.apache.org/jira/browse/YARN-6550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16120728#comment-16120728
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Allen Wittenauer commented on YARN-6550:
----------------------------------------

BTW, be aware that in sh, {} forces a subshell.  which means it's going to get 
interpreted first....

> Capture launch_container.sh logs
> --------------------------------
>
>                 Key: YARN-6550
>                 URL: https://issues.apache.org/jira/browse/YARN-6550
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 3.0.0-beta1
>            Reporter: Wangda Tan
>            Assignee: Suma Shivaprasad
>             Fix For: 3.0.0-beta1
>
>         Attachments: YARN-6550.002.patch, YARN-6550.003.patch, YARN-6550.patch
>
>
> launch_container.sh which generated by NM will do a bunch of things (like 
> create link, etc.) while launch a process. No logs captured until {{exec}} is 
> called. We need capture all failures of launch_container.sh for easier 
> troubleshooting.



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