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https://issues.apache.org/jira/browse/YARN-4126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14740903#comment-14740903
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Bibin A Chundatt commented on YARN-4126:
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Hi [~jianhe]

Thanks for the suggestion

Tested with your suggestion too still its failing. In 
{{UserGroupConfiguration}} will be loaded with non secure mode conf. Tried 
setting in BeforeClass too. Then all other nonsecure will try to load keytab 
file will fail.
Can refactor the testclass by spliting token related testcases to different 
test class.That should be fine rt?

> RM should not issue delegation tokens in unsecure mode
> ------------------------------------------------------
>
>                 Key: YARN-4126
>                 URL: https://issues.apache.org/jira/browse/YARN-4126
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Bibin A Chundatt
>         Attachments: 0001-YARN-4126.patch, 0002-YARN-4126.patch, 
> 0003-YARN-4126.patch, 0004-YARN-4126.patch, 0005-YARN-4126.patch
>
>
> ClientRMService#getDelegationToken is currently  returning a delegation token 
> in insecure mode. We should not return the token if it's in insecure mode. 



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