SWJTU-ZhangLei commented on code in PR #10429:
URL: https://github.com/apache/doris/pull/10429#discussion_r908130329


##########
fe/fe-core/src/main/java/org/apache/doris/catalog/Catalog.java:
##########
@@ -2463,10 +2463,12 @@ public void addFrontend(FrontendNodeType role, String 
host, int editLogPort) thr
 
             fe = new Frontend(role, nodeName, host, editLogPort);
             frontends.put(nodeName, fe);
+            BDBHA bdbha = (BDBHA) haProtocol;
             if (role == FrontendNodeType.FOLLOWER || role == 
FrontendNodeType.REPLICA) {
-                ((BDBHA) getHaProtocol()).addHelperSocket(host, editLogPort);
+                bdbha.addHelperSocket(host, editLogPort);

Review Comment:
   > Where does the conflict occur, and should we `removeConflictNodeIfExist` 
and then `addHelperSocket`?
   
   
https://docs.oracle.com/cd/E17277_02/html/java/com/sleepycat/je/rep/util/ReplicationGroupAdmin.html#getHelperSockets--
   
   when new node start successfuly, others can get admin service from helper 
socket.



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