[jira] [Created] (FLINK-2194) Type extractor does not support Writable type

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-2194:
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             Summary: Type extractor does not support Writable type
                 Key: FLINK-2194
                 URL: https://issues.apache.org/jira/browse/FLINK-2194
             Project: Flink
          Issue Type: Bug
            Reporter: Till Rohrmann


The type extractor supports sub types of {{Writable}} but not {{Writable}} itself. The reason is that it wants to create a {{WritableTypeInfo}} which is not possible for the interface {{Writable}}, though. A solution would be to treat the {{Writable}} interface like a generic type.



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