Attila Doroszlai created HDDS-8950:
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             Summary: NPE in SCMCommonPlacementPolicy#validateContainerPlacement
                 Key: HDDS-8950
                 URL: https://issues.apache.org/jira/browse/HDDS-8950
             Project: Apache Ozone
          Issue Type: Sub-task
          Components: SCM
    Affects Versions: 1.4.0
            Reporter: Soumitra Sulav
            Assignee: Attila Doroszlai


{code}
java.lang.NullPointerException: element cannot be mapped to a null key
        at java.base/java.util.Objects.requireNonNull(Objects.java:246)
        at 
java.base/java.util.stream.Collectors.lambda$groupingBy$53(Collectors.java:1127)
...
        at 
java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
        at 
org.apache.hadoop.hdds.scm.SCMCommonPlacementPolicy.validateContainerPlacement(SCMCommonPlacementPolicy.java:439)
{code}



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