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https://issues.apache.org/jira/browse/KAFKA-16585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17838730#comment-17838730
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Matthias J. Sax commented on KAFKA-16585:
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Thanks for raising this ticket. Wondering how we could address it though...
Given that the "contract" is that the record key is not modified, but there is
no input record, how could the key be set in a meaningful way? – The only thing
I can think of right now would be to set `key = null`, but it's still
semantically questionable...
Can you provide more details what you are trying to do?
> No way to forward message from punctuation method in the FixedKeyProcessor
> --------------------------------------------------------------------------
>
> Key: KAFKA-16585
> URL: https://issues.apache.org/jira/browse/KAFKA-16585
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 3.6.2
> Reporter: Stanislav Spiridonov
> Priority: Major
>
> The FixedKeyProcessorContext can forward only FixedKeyRecord. This class
> doesn't have a public constructor and can be created based on existing
> records. But such record usually is absent in the punctuation method.
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