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https://issues.apache.org/jira/browse/KAFKA-9741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax reassigned KAFKA-9741:
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Assignee: Matthias J. Sax
> ConsumerCoordinator must update ConsumerGroupMetadata before calling
> onPartitionsRevoked()
> ------------------------------------------------------------------------------------------
>
> Key: KAFKA-9741
> URL: https://issues.apache.org/jira/browse/KAFKA-9741
> Project: Kafka
> Issue Type: Bug
> Components: consumer
> Affects Versions: 2.5.0
> Reporter: Matthias J. Sax
> Assignee: Matthias J. Sax
> Priority: Critical
>
> If partitions are revoked, an application may want to commit the current
> offsets.
> Using transactions, committing offsets would be done via the producer passing
> in the current `ConsumerGroupMetadata`. If the metadata is not updates before
> the callback, the call to `commitTransaction(...)` fails as and old
> generationId would be used.
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