rahulrane50 commented on code in PR #2325:
URL: https://github.com/apache/helix/pull/2325#discussion_r1061004530


##########
zookeeper-api/src/main/java/org/apache/helix/zookeeper/zkclient/ZkClient.java:
##########
@@ -2553,6 +2557,13 @@ public void connect(final long 
maxMsToWaitUntilConnected, Watcher watcher)
         close();
       }
     }
+    try {
+      if (_monitor != null) {
+        _monitor.register();

Review Comment:
   I just saw that you are correct according to current code. Although connect 
API is public method, it's currently getting called only through constructor 
but if we want it that way that it should be called only once then may be we 
should add some sanity check before registering. I'm not sure what is the harm 
in registration. 



##########
zookeeper-api/src/main/java/org/apache/helix/zookeeper/zkclient/ZkClient.java:
##########
@@ -2553,6 +2557,13 @@ public void connect(final long 
maxMsToWaitUntilConnected, Watcher watcher)
         close();
       }
     }
+    try {
+      if (_monitor != null) {
+        _monitor.register();

Review Comment:
   Also noticed that on line 2520, does it expect that monitor is already 
registered and then it tries to do that operation with monitor?



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