Mickael Maison created KAFKA-20192:
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Summary: Brittle logic in ReconfigurableQuorumIntegrationTest
Key: KAFKA-20192
URL: https://issues.apache.org/jira/browse/KAFKA-20192
Project: Kafka
Issue Type: Improvement
Reporter: Mickael Maison
A few tests in ReconfigurableQuorumIntegrationTest add KRaft voters. They
provide "Set.of(new RaftVoterEndpoint("CONTROLLER", "example.com", 8080))" as
the 3rd argument of admin.addRaftVoter().
This argument is the endpoints the leader should use to retrieve details of the
new voter. So example.com:8080 should not work and instead localhost with the
correct port should be used to mimic a real usage.
The tests happen to work just because we previously removed a voter with the
same node id and the network client still has a cached nio channel, so it does
not use the provided endpoint to send requests to the new voter.
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