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https://issues.apache.org/jira/browse/YARN-5630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated YARN-5630:
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Attachment: YARN-5630.001.patch
Patch that only stores the container version key if the version is non-zero.
> NM fails to start after downgrade from 2.8 to 2.7
> -------------------------------------------------
>
> Key: YARN-5630
> URL: https://issues.apache.org/jira/browse/YARN-5630
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Reporter: Jason Lowe
> Priority: Blocker
> Attachments: YARN-5630.001.patch
>
>
> A downgrade from 2.8 to 2.7 causes nodemanagers to fail to start due to an
> unrecognized "version" container key on startup. This breaks downgrades from
> 2.8 to 2.7.
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