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https://issues.apache.org/jira/browse/YARN-3395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14381385#comment-14381385
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zhihai xu commented on YARN-3395:
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To be safer, I removed the change to reject the application with an empty or
whitespace only user name.
> [Fair Scheduler] Handle the user name correctly when user name is used as
> default queue name.
> ---------------------------------------------------------------------------------------------
>
> Key: YARN-3395
> URL: https://issues.apache.org/jira/browse/YARN-3395
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler
> Reporter: zhihai xu
> Assignee: zhihai xu
> Attachments: YARN-3395.000.patch
>
>
> Handle the user name correctly when user name is used as default queue name
> in fair scheduler.
> It will be better to remove the trailing and leading whitespace of the user
> name when we use user name as default queue name, otherwise it will be
> rejected by InvalidQueueNameException from QueueManager. I think it is
> reasonable to make this change, because we already did special handling for
> '.' in user name.
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