mumrah commented on code in PR #12961:
URL: https://github.com/apache/kafka/pull/12961#discussion_r1050096386
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core/src/main/scala/kafka/server/BrokerToControllerChannelManager.scala:
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@@ -364,11 +399,13 @@ class BrokerToControllerRequestThread(
}
override def doWork(): Unit = {
Review Comment:
As discussed offline, by proactively checking if the controller has changed
(L402), we avoid falling into the case where an authentication of version
mismatch error prevents the channel manager from finding a new controller.
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