[jira] [Created] (ZEPPELIN-5669) Check pyflink folder existence in yarn application mode

[Jeff Zhang (Jira)]

Jeff Zhang created ZEPPELIN-5669:
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             Summary: Check pyflink folder existence in yarn application mode
                 Key: ZEPPELIN-5669
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-5669
             Project: Zeppelin
          Issue Type: Improvement
          Components: flink
    Affects Versions: 0.10.1
            Reporter: Jeff Zhang


Currently, it would throw NPE which is not meaningful to users. 



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