TengYao Chi created KAFKA-20262:
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Summary: 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
Reporter: TengYao Chi
Assignee: TengYao Chi
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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