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Posted to yarn-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2016/09/09 12:40:20 UTC

[jira] [Created] (YARN-5630) NM fails to start after downgrade from 2.8 to 2.7

Jason Lowe created YARN-5630:
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             Summary: 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


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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