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https://issues.apache.org/jira/browse/SPARK-12316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15071399#comment-15071399
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Apache Spark commented on SPARK-12316:
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User 'SaintBacchus' has created a pull request for this issue:
https://github.com/apache/spark/pull/10475

> Stack overflow with endless call of `Delegation token thread` when 
> application end.
> -----------------------------------------------------------------------------------
>
>                 Key: SPARK-12316
>                 URL: https://issues.apache.org/jira/browse/SPARK-12316
>             Project: Spark
>          Issue Type: Bug
>          Components: YARN
>    Affects Versions: 1.6.0
>            Reporter: SaintBacchus
>         Attachments: 20151210045149.jpg, 20151210045533.jpg
>
>
> When application end, AM will clean the staging dir.
> But if the driver trigger to update the delegation token, it will can't find 
> the right token file and then it will endless cycle call the method 
> 'updateCredentialsIfRequired'.
> Then it lead to StackOverflowError.



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