[GitHub] [helix] narendly commented on a change in pull request #858: Add logs and throw exceptions in getInstanceById

[GitBox <gi...@apache.org>]

narendly commented on a change in pull request #858: Add logs and throw exceptions in getInstanceById
URL: https://github.com/apache/helix/pull/858#discussion_r388015261
 
 

 ##########
 File path: helix-core/src/main/java/org/apache/helix/util/InstanceValidationUtil.java
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 @@ -266,6 +269,9 @@ public static boolean isInstanceStable(HelixDataAccessor dataAccessor, String in
       IdealState idealState = dataAccessor.getProperty(keyBuilder.idealStates(idealStateName));
       if (idealState == null || !idealState.isEnabled() || !idealState.isValid()
           || TaskConstants.STATE_MODEL_NAME.equals(idealState.getStateModelDefRef())) {
+        _logger.warn(
+            "idealState is either null, not enabled, not valid, or has Task as stateModelDefRef. IdealState: {}",
+            instanceName);
 
 Review comment:
   This won't make things fail, will it?

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