David Arthur created KAFKA-15381:
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Summary: Controller waiting for migration should only allow
failover when transactions are supported
Key: KAFKA-15381
URL: https://issues.apache.org/jira/browse/KAFKA-15381
Project: Kafka
Issue Type: Bug
Reporter: David Arthur
Fix For: 3.6.0
After a KRaft controller starts up in migration mode, it enters the
"pre-migration" state. Unless transactions are supported, it is not safe for
the controller to fail over in pre-migration mode. This is because a migration
could have been partially committed when the failover occurs.
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