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https://issues.apache.org/jira/browse/YARN-690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daryn Sharp updated YARN-690:
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Attachment: YARN-690.patch
Doh, you're right. It was a test, and you passed!
> RM exits on token cancel/renew problems
> ---------------------------------------
>
> Key: YARN-690
> URL: https://issues.apache.org/jira/browse/YARN-690
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 3.0.0, 0.23.7, 2.0.5-beta
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Blocker
> Attachments: YARN-690.patch, YARN-690.patch
>
>
> The DelegationTokenRenewer thread is critical to the RM. When a
> non-IOException occurs, the thread calls System.exit to prevent the RM from
> running w/o the thread. It should be exiting only on non-RuntimeExceptions.
> The problem is especially bad in 23 because the yarn protobuf layer converts
> IOExceptions into UndeclaredThrowableExceptions (RuntimeException) which
> causes the renewer to abort the process. An UnknownHostException takes down
> the RM...
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