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https://issues.apache.org/jira/browse/YARN-4032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla resolved YARN-4032.
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Resolution: Duplicate
YARN-4347 should fix this issue. Closing this as a duplicate.
> Corrupted state from a previous version can still cause RM to fail with NPE
> due to same reasons as YARN-2834
> ------------------------------------------------------------------------------------------------------------
>
> Key: YARN-4032
> URL: https://issues.apache.org/jira/browse/YARN-4032
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.7.1
> Reporter: Anubhav Dhoot
> Assignee: Jian He
> Priority: Critical
> Attachments: YARN-4032.prelim.patch
>
>
> YARN-2834 ensures in 2.6.0 there will not be any inconsistent state. But if
> someone is upgrading from a previous version, the state can still be
> inconsistent and then RM will still fail with NPE after upgrade to 2.6.0.
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