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https://issues.apache.org/jira/browse/FLINK-5467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15820936#comment-15820936
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ASF GitHub Bot commented on FLINK-5467:
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Github user uce commented on the issue:
https://github.com/apache/flink/pull/3102
I'm not aware of all implications of this change, but this fixes the
problem I had. The operator does not checkpoint any legacy operator state.
+1 to merge from my side.
> Stateless chained tasks set legacy operator state
> -------------------------------------------------
>
> Key: FLINK-5467
> URL: https://issues.apache.org/jira/browse/FLINK-5467
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Reporter: Ufuk Celebi
> Assignee: Stefan Richter
>
> I discovered this while trying to rescale a job with a Kafka source with a
> chained stateless operator.
> Looking into it, it turns out that this fails, because the checkpointed state
> contains legacy operator state for the chained operator although it is state
> less.
> /cc [~aljoscha] You mentioned that this might be a possible duplicate?
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