Yun Tang created FLINK-33699:
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             Summary: Verify the snapshot migration on Java21
                 Key: FLINK-33699
                 URL: https://issues.apache.org/jira/browse/FLINK-33699
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Checkpointing
            Reporter: Yun Tang


In Java 21 builds, Scala is being bumped to 2.12.18, which causes 
incompatibilities within Flink.

This could affect loading savepoints from a Java 8/11/17 build. We already have 
tests extending {{SnapshotMigrationTestBase}} to verify the logic of migrating 
snapshots generated by the older Flink version. I think we can also introduce 
similar tests to verify the logic across different Java versions.



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