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https://issues.apache.org/jira/browse/YARN-8484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16537561#comment-16537561
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Giovanni Matteo Fumarola edited comment on YARN-8484 at 7/9/18 11:14 PM:
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Thanks [~subru] . I found this bug while I was coding YARN-7898's tests.
At the end of one of the tests, I saw a bunch of NPE when the test kills the 
Router process. With [^YARN-8484.v1.patch] I don't see them anymore and the 
Router dies gratefully.

It is just to make clean the logging for the tests' execution.

I am not sure if I can add a test for this fix.

 


was (Author: giovanni.fumarola):
Thanks [~subru] . I found this bug while I was coding YARN-7898's tests.

I am not sure if I can add a test for this fix.

 

> Fix NPE during ServiceStop in Router classes
> --------------------------------------------
>
>                 Key: YARN-8484
>                 URL: https://issues.apache.org/jira/browse/YARN-8484
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.9.0
>            Reporter: Giovanni Matteo Fumarola
>            Assignee: Giovanni Matteo Fumarola
>            Priority: Minor
>         Attachments: YARN-8484.v1.patch
>
>
> Fix NPE during ServiceStop in Router classes.



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