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https://issues.apache.org/jira/browse/FLINK-33699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17791592#comment-17791592
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Yun Tang commented on FLINK-33699:
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I think it's better to introduce new tests to cover this problem. I checked the
[CI|https://dev.azure.com/snuyanzin/flink/_build/results?buildId=2620&view=logs&j=0a15d512-44ac-5ba5-97ab-13a5d066c22c&t=9a028d19-6c4b-5a4e-d378-03fca149d0b1]
you triggered before and noticed that the
{{StatefulJobSnapshotMigrationITCase}} related tests have passed, which proves
what I guessed before, most checkpoints/savepoints should be restored
successfully.
> 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
> Priority: Major
>
> 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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