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https://issues.apache.org/jira/browse/YARN-8704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16590639#comment-16590639
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Eric Yang commented on YARN-8704:
---------------------------------

If I recall correctly, the message does print the path that is invalid for 
debugging.  Unless the source path is empty string, then it doesn't print out.

> Improve the error message for an invalid docker rw mount to be more 
> informative
> -------------------------------------------------------------------------------
>
>                 Key: YARN-8704
>                 URL: https://issues.apache.org/jira/browse/YARN-8704
>             Project: Hadoop YARN
>          Issue Type: Improvement
>    Affects Versions: 3.2.0
>            Reporter: Weiwei Yang
>            Priority: Minor
>
> Seeing following error message while starting a privileged docker container
> {noformat}
> Error constructing docker command, docker error code=14, error 
> message='Invalid docker read-write mount'
> {noformat}
> it would be good if it tells us which mount is invalid and how to fix it.
>  



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