Mohammad Shahid Khan commented on YARN-4490:

Yes, [#Varun Saxena], if the application is recovered then diagnostic message 
does not add any value.
And the message "Attempt recovered after RM restart", is also confusing for the 
app which is already finished.

> RM restart the finished app shows wrong Diagnostics status
> ----------------------------------------------------------
>                 Key: YARN-4490
>                 URL: https://issues.apache.org/jira/browse/YARN-4490
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacity scheduler, resourcemanager
>            Reporter: Mohammad Shahid Khan
>            Assignee: Mohammad Shahid Khan
> RM restart the finished app shows wrong Diagnostics status.
> Preconditions:
> RM recovery enable true.
> Steps:
> 1. run an application, wait application is finished.
> 2. Restart the RM
> 3. Check the application status is RM web UI
> Issue:
> Check the Diagnostic message: Attempt recovered after RM restart.
> Expected:
> The Diagnostic message should be available only for the application waiting 
> for allocation.

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