[jira] [Created] (FLINK-1649) Give a good error message when a user program emits a null record

[Shang Yuanchun (Jira)]

Stephan Ewen created FLINK-1649:
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             Summary: Give a good error message when a user program emits a null record
                 Key: FLINK-1649
                 URL: https://issues.apache.org/jira/browse/FLINK-1649
             Project: Flink
          Issue Type: Bug
          Components: Local Runtime
    Affects Versions: 0.9
            Reporter: Stephan Ewen
            Assignee: Stephan Ewen
             Fix For: 0.9






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