Steve Loughran created YARN-9568:
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             Summary: 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


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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