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https://issues.apache.org/jira/browse/YARN-9568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16888132#comment-16888132
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Eric Yang commented on YARN-9568:
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+1 for Pull Request #839. Thank you [[email protected]] for the patch.
Thank you [~bibinchundatt] for the review.
> NPE in MiniYarnCluster during FileSystemNodeAttributeStore.recover
> ------------------------------------------------------------------
>
> Key: YARN-9568
> URL: https://issues.apache.org/jira/browse/YARN-9568
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager, test
> Affects Versions: 3.3.0
> Environment: macos
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Minor
> Attachments: YARN-9568.001.patch, YARN-9568.002.patch, npe.log
>
>
> This seems new in trunk. As in "wasn't happening a couple of weeks ago". Its
> surfacing in the S3A committer tests which are trying to create
> MiniYarnClusters: all such tests are failing as the mini yarn cluster won't
> come up with an NPE in {{FileSystemNodeAttributeStore.recover}}
> I'm not sure why node labels are needed on test clusters; the default implies
> they should be off anyway.
> At the same time, I can't seem to find one specific change in the git log to
> say "this is causing the problem".
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