[GitHub] [kafka] showuon commented on a change in pull request #10794: KAFKA-12677: parse envelope response to check if not_controller error existed

[GitBox]

showuon commented on a change in pull request #10794:
URL: https://github.com/apache/kafka/pull/10794#discussion_r642748185



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File path: 
core/src/main/scala/kafka/server/BrokerToControllerChannelManager.scala
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@@ -363,6 +386,22 @@ class BrokerToControllerRequestThread(
     }
   }
 
+  def maybeCheckNotControllerErrorInsideEnvelopeResponse(requestHeader: 
RequestHeader, responseBody: AbstractResponse): Boolean = {

Review comment:
       Yes, I tried, but it can't. The `activeController` is stored in 
`BrokerToControllerRequestThread`, which owned by 
`BrokerToControllerChannelManager`. So, only the 
`BrokerToControllerRequestThread#handleResponse` can update the 
activeController and put the reqeust into top of the queue again (retry).




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