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https://issues.apache.org/jira/browse/YARN-2147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14032071#comment-14032071
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Tsuyoshi OZAWA commented on YARN-2147:
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[~airbots], thank you for taking this JIRA.
One minor nits from me: Should we add spaces before and after the {{!=}} and
before {{(}}?
{code}
+ if(credentials!=null) {
{code}
Otherwise changes looks good to me.
> client lacks delegation token exception details when application submit fails
> -----------------------------------------------------------------------------
>
> Key: YARN-2147
> URL: https://issues.apache.org/jira/browse/YARN-2147
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.4.0
> Reporter: Jason Lowe
> Assignee: Chen He
> Priority: Minor
> Attachments: YARN-2147-v2.patch, YARN-2147.patch
>
>
> When an client submits an application and the delegation token process fails
> the client can lack critical details needed to understand the nature of the
> error. Only the message of the error exception is conveyed to the client,
> which sometimes isn't enough to debug.
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