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ASF GitHub Bot commented on FLINK-2194: --------------------------------------- Github user rmetzger commented on the pull request: https://github.com/apache/flink/pull/814#issuecomment-114501534 I don't think Kryo is handling classes implementing `Writable` in a special way. It should be trivial to add a special Kryo serializer for it (see also https://github.com/twitter/chill/issues/191) > 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 > Assignee: 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)