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https://issues.apache.org/jira/browse/KAFKA-20747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax updated KAFKA-20747:
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Priority: Minor (was: Major)
> Static member rejoining with same member id and different instance id not
> tracked correctly
> -------------------------------------------------------------------------------------------
>
> Key: KAFKA-20747
> URL: https://issues.apache.org/jira/browse/KAFKA-20747
> Project: Kafka
> Issue Type: Bug
> Components: group-coordinator
> Affects Versions: 4.0.0, 4.0.1, 4.1.0, 4.2.0, 4.3.0, 4.0.2, 4.1.1, 4.1.2,
> 4.2.1, 4.3.1
> Reporter: Sean Quah
> Assignee: Sean Quah
> Priority: Minor
>
> # A group has a static member with member id $memberId and instance id
> $instanceId1.
> # The member heartbeats with epoch 0, member id $memberId and instance id
> $instanceId2.
> # The group's `staticMembers` map now contains entries for both $instanceId1
> and $instanceId2 both pointing to $memberId.
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