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[jira] [Created] (FLINK-9406) Request finished partition state fails due to referential equality comparison


Till Rohrmann created FLINK-9406:
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             Summary: Request finished partition state fails due to referential equality comparison
                 Key: FLINK-9406
                 URL: https://issues.apache.org/jira/browse/FLINK-9406
             Project: Flink
          Issue Type: Bug
          Components: Distributed Coordination
    Affects Versions: 1.5.0, 1.6.0
            Reporter: Till Rohrmann
            Assignee: Nico Kruber
             Fix For: 1.5.0


The execution of batch jobs can fail because in some cases we cannot retrieve the partition state. The problem seems to be that we use referential equality in {{JobMaster.java:619}} when requesting the state of a finished result partition. This, of course, always fails with a {{PartitionProducerDisposedException}} because we should use the proper {{equals}} method for the comparison of the {{ResultPartitionID}}.



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