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https://issues.apache.org/jira/browse/YARN-5310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15403481#comment-15403481
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Xianyin Xin commented on YARN-5310:
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Thanks [~aw]. Then do we have any good idea on this problem?
> AM restart failed because of the expired HDFS delegation tokens
> ---------------------------------------------------------------
>
> Key: YARN-5310
> URL: https://issues.apache.org/jira/browse/YARN-5310
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Reporter: Xianyin Xin
> Assignee: Xianyin Xin
>
> For a long running AM, it would get failed when restart because the token in
> ApplicationSubmissionContext expires. We should update it when we get a new
> delegation token on behalf of the user.
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