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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2021/02/09 13:59:41 UTC

[GitHub] [flink] tillrohrmann commented on pull request #14902: [FLINK-21138][queryableState] - User ClassLoader in KvStateServerHandler

tillrohrmann commented on pull request #14902:
URL: https://github.com/apache/flink/pull/14902#issuecomment-775957707


   I think the problem is on the client side. In the `QueryableStateClient.createState` method we duplicate the serializers from the `StateDescriptor`. When running all tests together the thread running this operation does not have the context class loader set.
   
   This is one of the problems with context class loaders and opaque/unclear threading models in the `QueryableStateClient` I believe.


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