Andrew Schofield created KAFKA-19468:
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Summary: Share group epoch increments on every heartbeat if
subscribed topics removed
Key: KAFKA-19468
URL: https://issues.apache.org/jira/browse/KAFKA-19468
Project: Kafka
Issue Type: Sub-task
Affects Versions: 4.1.0
Reporter: Andrew Schofield
Assignee: Andrew Schofield
Fix For: 4.2.0
If topics are removed from the set of subscribed topics for a share group,
subsequent heartbeats will erroneously increment the group epoch thinking that
outstanding state initialisations are present. The condition for incrementing
the epoch is too strict.
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