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Posted to issues@flink.apache.org by "yux (Jira)" <ji...@apache.org> on 2024/05/27 11:32:00 UTC

[jira] [Created] (FLINK-35464) Flink CDC 3.1 breaks operator state compatiblity

yux created FLINK-35464:
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             Summary: Flink CDC 3.1 breaks operator state compatiblity
                 Key: FLINK-35464
                 URL: https://issues.apache.org/jira/browse/FLINK-35464
             Project: Flink
          Issue Type: Bug
          Components: Flink CDC
    Affects Versions: cdc-3.1.0
            Reporter: yux
             Fix For: cdc-3.1.1


Flink CDC 3.1 changed how SchemaRegistry [de]serializes state data, which causes any checkpoint states saved with earlier version could not be restored in version 3.1.0.

This could be resolved by adding serialization versioning control logic.



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