[jira] [Created] (FLINK-11407) Allow providing reason messages for TypeSerializerSchemaCompatibility.incompatible()

[Shang Yuanchun (Jira)]

Tzu-Li (Gordon) Tai created FLINK-11407:
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             Summary: Allow providing reason messages for TypeSerializerSchemaCompatibility.incompatible()
                 Key: FLINK-11407
                 URL: https://issues.apache.org/jira/browse/FLINK-11407
             Project: Flink
          Issue Type: Improvement
          Components: Type Serialization System
            Reporter: Tzu-Li (Gordon) Tai
            Assignee: Tzu-Li (Gordon) Tai
             Fix For: 1.8.0


There are a few different scenarios where a new serializer can be determined incompatible in a compatibility check.

Allowing the incompatible result to be accompanied by a message indicating why the new serializer is incompatible would be beneficial, and allows the state backends to throw more meaningful exceptions when they do encounter an incompatible new serializer.



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