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Posted to jira@kafka.apache.org by "Colin McCabe (Jira)" <ji...@apache.org> on 2024/08/27 23:55:00 UTC

[jira] [Created] (KAFKA-17434) upgrade_test.py tests impossible upgrade scenarios

Colin McCabe created KAFKA-17434:
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             Summary: upgrade_test.py tests impossible upgrade scenarios
                 Key: KAFKA-17434
                 URL: https://issues.apache.org/jira/browse/KAFKA-17434
             Project: Kafka
          Issue Type: Bug
            Reporter: Colin McCabe
            Assignee: Colin McCabe


Because of KIP-902 (Upgrade Zookeeper version to 3.8.2), it is not possible to upgrade from a Kafka version earlier than 3.5 to a version later than 3.5. Therefore, we should not test these upgrade scenarios in upgrade_test.py. They do happen to work sometimes, but only in the trivial case where we don't create topics or make changes during the upgrade (which would reveal the ZK incompatibility).



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