pkuwm commented on a change in pull request #1344:
URL: https://github.com/apache/helix/pull/1344#discussion_r483185386



##########
File path: 
helix-core/src/main/java/org/apache/helix/manager/zk/CallbackHandler.java
##########
@@ -646,10 +645,9 @@ private void subscribeForChanges(NotificationContext.Type 
callbackType, String p
               break;
             }
             default: {
-              List<String> childNames = _zkClient.getChildren(path);
-              if (childNames != null) {
-                for (String childName : childNames) {
-                  String childPath = path + "/" + childName;
+              if (children != null) {

Review comment:
       Yeah, I was aware of the failed test and the code in 
`subscribeChildChange()` for `NotificationContext.Type.FINALIZE`.




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