[jira] [Created] (FLINK-5642) queryable state: race condition with HeadListState

[Shang Yuanchun (Jira)]

Nico Kruber created FLINK-5642:
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             Summary: queryable state: race condition with HeadListState
                 Key: FLINK-5642
                 URL: https://issues.apache.org/jira/browse/FLINK-5642
             Project: Flink
          Issue Type: Bug
          Components: Queryable State
    Affects Versions: 1.2.0
            Reporter: Nico Kruber
            Assignee: Nico Kruber


If queryable state accesses a HeapListState instance that is being modified during the value's serialisation, it may crash, e.g. with a NullPointerException during the serialisation or with an EOFException during de-serialisation.



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