[jira] [Created] (FLINK-17080) Utils.CollectHelper is possible to throw NPE if the sink is up but not initialized when the job fails

[Shang Yuanchun (Jira)]

Caizhi Weng created FLINK-17080:
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             Summary: Utils.CollectHelper is possible to throw NPE if the sink is up but not initialized when the job fails
                 Key: FLINK-17080
                 URL: https://issues.apache.org/jira/browse/FLINK-17080
             Project: Flink
          Issue Type: Bug
          Components: API / DataSet
    Affects Versions: 1.11.0
            Reporter: Caizhi Weng


When the sink using {{Utils.CollectHelper}} is up but not initialized and the job fails due to other operators, it is possible that the {{close()}} method of {{Utils.CollectHelper}} is called when {{open()}} is not called.

Currently {{Utils.CollectHelper}} does not deal with this case and will throw NPE.



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