[jira] [Created] (FLINK-7971) Fix potential NPE with inconsistent state

[Shang Yuanchun (Jira)]

Ruidong Li created FLINK-7971:
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             Summary: Fix potential NPE with inconsistent state
                 Key: FLINK-7971
                 URL: https://issues.apache.org/jira/browse/FLINK-7971
             Project: Flink
          Issue Type: Bug
          Components: Table API & SQL
            Reporter: Ruidong Li
            Assignee: Ruidong Li
            Priority: Major


In {{GroupAggProcessFunction}}， the status of  {{state}} and {{cntState}} is not consistent, which may cause NPE when {{state}} is not null but {{cntState}} is null.





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