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https://issues.apache.org/jira/browse/KAFKA-20262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax updated KAFKA-20262:
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Component/s: streams
> Changelog tombstone records drop custom headers when using headers-aware
> state stores
> -------------------------------------------------------------------------------------
>
> Key: KAFKA-20262
> URL: https://issues.apache.org/jira/browse/KAFKA-20262
> Project: Kafka
> Issue Type: Sub-task
> Components: streams
> Reporter: TengYao Chi
> Assignee: TengYao Chi
> Priority: Major
>
> When utilizing headers-aware state stores in Kafka Streams, there is an
> inconsistency in how tombstone records (emitted via {{delete(key)}} or
> {{{}put(key, null){}}}) are handled during changelog serialization.
> Specifically, when a tombstone is written to the changelog topic through
> {{{}InternalProcessorContext{}}}, any custom headers associated with the
> key's metadata appear to be dropped.
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