[jira] [Created] (FLINK-1390) java.lang.ClassCastException: X cannot be cast to X

[Shang Yuanchun (Jira)]

Robert Metzger created FLINK-1390:
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             Summary:  java.lang.ClassCastException: X cannot be cast to X
                 Key: FLINK-1390
                 URL: https://issues.apache.org/jira/browse/FLINK-1390
             Project: Flink
          Issue Type: Bug
          Components: YARN Client
    Affects Versions: 0.8
            Reporter: Robert Metzger


A user is affected by an issue, which is probably caused by different classloaders being used for loading user classes.

Current state of investigation:
- the error happens in yarn sessions (there is only a YARN environment available)
- the error doesn't happen on the first time the job is being executed. It only happens on subsequent executions.





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