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https://issues.apache.org/jira/browse/YARN-3395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhihai xu updated YARN-3395:
----------------------------
    Description: 
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.

  was:
Handle the user name correctly when submit application and use user name as 
default queue name.
We should reject the application with an empty or whitespace only user name.
because it doesn't make sense to have an empty or whitespace only user name.
We should 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 this change make sense, 
because it will be compatible with queue name convention and also we already 
did similar thing for '.' in user name.


        Summary: [Fair Scheduler] Handle the user name correctly when user name 
is used as default queue name.  (was: [Fair Scheduler] Handle the user name 
correctly when submit application and use user name as default queue 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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