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https://issues.apache.org/jira/browse/YARN-6726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16102113#comment-16102113
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Shane Kumpf commented on YARN-6726:
-----------------------------------

Thanks again, [~wangda]. Without the flush, the output is lost when the execvp 
is called. I'm attaching a patch that moves this logging to stderr instead so 
that we get the debug output in the case of failure. The patch also pulls in 
part of string-utils from YARN-6852 to do the container id validation as you 
suggested.

> Fix issues with docker commands executed by container-executor
> --------------------------------------------------------------
>
>                 Key: YARN-6726
>                 URL: https://issues.apache.org/jira/browse/YARN-6726
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Shane Kumpf
>            Assignee: Shane Kumpf
>         Attachments: YARN-6726.001.patch
>
>
> docker inspect, rm, stop, etc are issued through container-executor. Commands 
> other than docker run are not functioning properly.



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