mgao0 commented on a change in pull request #1302:
URL: https://github.com/apache/helix/pull/1302#discussion_r475970901



##########
File path: 
helix-core/src/test/java/org/apache/helix/integration/TestCustomizedViewAggregation.java
##########
@@ -410,7 +410,11 @@ public void testCustomizedViewAggregation() throws 
Exception {
     // Aggregating: Type A
     // Routing table: Type A, Type B, Type C
     setAggregationEnabledTypes(Arrays.asList(CustomizedStateType.TYPE_A));
-    validateAggregationSnapshot();
+    // This is commented out as a work around to pass the test
+    // The validation of config change will be done combined with the next 
several customized state changes
+    // The next validation should only show TYPE_A states aggregated in 
customized view
+    // Until we fix the issue in routing table provider 
https://github.com/apache/helix/issues/1296
+//    validateAggregationSnapshot();

Review comment:
       No we don’t have the same problem for current states. For example if you 
drop a resource in current states it enters this condition in 
handleChildChange, because it's not a parent path.
   `else {
             if (!isReady()) {
               // avoid leaking CallbackHandler
               logger.info("Callbackhandler {} with path {} is in reset state. 
Stop subscription to ZK client to avoid leaking",
                   this, parentPath);
               return;
             }
             NotificationContext changeContext = new 
NotificationContext(_manager);
             changeContext.setType(NotificationContext.Type.CALLBACK);
             changeContext.setPathChanged(parentPath);
             changeContext.setChangeType(_changeType);
             subscribeForChanges(changeContext.getType(), _path, _watchChild);
             enqueueTask(changeContext);
           }
         }
   `
   So it sends a CALLBACK instead of FINALIZE




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