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https://issues.apache.org/jira/browse/FLINK-35251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17841551#comment-17841551
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Leonard Xu commented on FLINK-35251:
------------------------------------
fixed in
master(3.2) via 9cc3451ddf6546317c4c3af1efbc68c2d745ef7d
3.1 via : TODO
> SchemaDerivation serializes mapping incorrectly on checkpoint
> -------------------------------------------------------------
>
> Key: FLINK-35251
> URL: https://issues.apache.org/jira/browse/FLINK-35251
> Project: Flink
> Issue Type: Bug
> Components: Flink CDC
> Affects Versions: cdc-3.1.0
> Reporter: Qingsheng Ren
> Assignee: Qingsheng Ren
> Priority: Blocker
> Labels: pull-request-available
> Fix For: cdc-3.1.0
>
>
> When schema registry is being serialized on checkpoint, SchemaDerivation
> mistakenly use `out.write()` instead of `out.writeInt()` for serializing the
> size of derivation mapping. This will cause an EOFException when the job is
> recovered from checkpoint.
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