Matthias J. Sax created KAFKA-9741:
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Summary: 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
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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