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https://issues.apache.org/jira/browse/YARN-2704?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jian He updated YARN-2704:
--------------------------
    Attachment: YARN-2704.3.patch

bq. It’s inside the run method, so I wrap it with runTimeException
Ignore this comment, I changed to use PrivilegedExceptionAction whose run 
method declares exception.

>  Localization and log-aggregation will fail if hdfs delegation token expired 
> after token-max-life-time
> ------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2704
>                 URL: https://issues.apache.org/jira/browse/YARN-2704
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-2704.1.patch, YARN-2704.2.patch, YARN-2704.2.patch, 
> YARN-2704.3.patch
>
>
> In secure mode, YARN requires the hdfs-delegation token to do localization 
> and log aggregation on behalf of the user. But the hdfs delegation token will 
> eventually expire after max-token-life-time.  So,  localization and log 
> aggregation will fail after the token expires.



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