Varun Vasudev commented on YARN-2147:

The patch looks mostly good. Agree with [~daryn] on testing the message. 
Question about the timeout - it doesn't look like the test needs a timeout, any 
particular reason why you added it?

> 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-v3.patch, 
> YARN-2147-v4.patch, YARN-2147-v5.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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