[jira] [Created] (FLINK-2308) Improve error messages on broken user-defined serialization

[Shang Yuanchun (Jira)]

Stephan Ewen created FLINK-2308:
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             Summary: Improve error messages on broken user-defined serialization
                 Key: FLINK-2308
                 URL: https://issues.apache.org/jira/browse/FLINK-2308
             Project: Flink
          Issue Type: Improvement
    Affects Versions: 0.9
            Reporter: Stephan Ewen
            Assignee: Stephan Ewen


When user-defined (or Kryo defined) serialization is broken, the network stack gives weird error messages like "trailing data fragments" or "premature end of stream".

I would like to make these more obvious such that users can debug these errors easier.



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