Guozhang Wang created KAFKA-10613:
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Summary: Broker should not set leader epoch if the list-offset
request version < 4
Key: KAFKA-10613
URL: https://issues.apache.org/jira/browse/KAFKA-10613
Project: Kafka
Issue Type: Improvement
Components: streams
Reporter: Guozhang Wang
Assignee: Guozhang Wang
The list-offset response added a new field in version 4:
{code}
{ "name": "LeaderEpoch", "type": "int32", "versions": "4+" }
{code}
And the compiled code would throw UnsupportedVersionException if that field is
not default (-1) with version < 4. However, on the broker side we forget to add
the logic to not setting this field based on the request version. This would
cause old versioned clients' list-offset call to always get
UnsupportedVersionException and an empty result would be returned.
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