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Posted to yarn-issues@hadoop.apache.org by "tianjuan (JIRA)" <ji...@apache.org> on 2018/06/28 07:52:00 UTC

[jira] [Created] (YARN-8471) YARN throw NullPointerException at RegularContainerAllocator

tianjuan created YARN-8471:
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             Summary: YARN throw NullPointerException at RegularContainerAllocator
                 Key: YARN-8471
                 URL: https://issues.apache.org/jira/browse/YARN-8471
             Project: Hadoop YARN
          Issue Type: Bug
          Components: yarn
            Reporter: tianjuan
             Fix For: 2.9.0


at some point RM just hangs and stops allocating resources. At the point RM get hangs, YARN throw NullPointerException  at RegularContainerAllocator#allocate, and RegularContainerAllocator#preCheckForPlacementSet, and RegularContainerAllocator#getLocalityWaitFactor



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