[jira] [Created] (FLINK-12064) RocksDBKeyedStateBackend uses incorrect key serializer if reconfigure happens during restore

[Shang Yuanchun (Jira)]

Yu Li created FLINK-12064:
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             Summary: RocksDBKeyedStateBackend uses incorrect key serializer if reconfigure happens during restore
                 Key: FLINK-12064
                 URL: https://issues.apache.org/jira/browse/FLINK-12064
             Project: Flink
          Issue Type: Bug
            Reporter: Yu Li
            Assignee: Yu Li
             Fix For: 1.8.0


As titled, in current {{RocksDBKeyedStateBackend}} we use {{keySerializer}} rather than {{keySerializerProvider.currentSchemaSerializer()}}, which is incorrect. The issue is not revealed in existing UT since current cases didn't check snapshot after state schema migration.

This is a regression issue caused by the FLINK-10043 refactoring work.



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