Lianet Magrans created KAFKA-18221:
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Summary: Set explicit consumer group protocol in streams tests
Key: KAFKA-18221
URL: https://issues.apache.org/jira/browse/KAFKA-18221
Project: Kafka
Issue Type: Bug
Components: streams
Reporter: Lianet Magrans
Assignee: Lianet Magrans
Fix For: 4.0.0
Currently KS uses the classic group protocol (while KIP-1071 completes). The
group.protocol config is explicitly set to CLASSIC in the core streams logic
but not in the streams tests.
This has been fine because the legacy KafkaConsumer (with classic protocol) is
the default one, but KS tests will break when the new consumer becomes the
default one.
We should explicitly set group.protocol (to "classic" for now) in all stream
tests that require it to avoid breaking them.
This gap showed when attempting to make the new consumer/protocol default with
[https://github.com/apache/kafka/pull/18121] (just an exercise for now, to find
these kind of gaps)
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