caigy commented on code in PR #6538:
URL: https://github.com/apache/rocketmq/pull/6538#discussion_r1161381353


##########
broker/src/main/java/org/apache/rocketmq/broker/BrokerStartup.java:
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@@ -167,7 +167,6 @@ public static BrokerController 
buildBrokerController(String[] args) throws Excep
             System.exit(-4);
         }
 
-        messageStoreConfig.setHaListenPort(nettyServerConfig.getListenPort() + 
1);

Review Comment:
   IMO this PR will break the compatibility, that is, the default value of 
`haLitenPort` is `listenPort + 1`. Users setting `listenPort` but not setting 
`haLitenPort` explicitly will find `haLitenPort` changes after updating to new 
version.
   
   The more appropriate way may be: 
   
   - if `haLitenPort` is set explicitly, use the value set by user; 
   - if `haLitenPort` is not set, assign `listenPort + 1` to it.
   



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