narendly commented on a change in pull request #968:
URL: https://github.com/apache/helix/pull/968#discussion_r414750854



##########
File path: helix-core/src/main/java/org/apache/helix/manager/zk/ZKUtil.java
##########
@@ -112,13 +112,13 @@ public static boolean isClusterSetup(String clusterName, 
RealmAwareZkClient zkCl
     for (int i = 0; i < ret.length; i++) {
       if (!ret[i]) {
         isValid = false;
-        errorMsg.append("Invalid cluster setup, missing znode path: 
").append(requiredPaths.get(i))
-            .append("\n");
+        errorMsg.append("Invalid cluster setup for cluster: 
").append(clusterName)
+            .append(", missing znode path: 
").append(requiredPaths.get(i)).append("\n");
       }
     }
 
     if (!isValid) {
-      logger.debug(errorMsg.toString());
+      logger.warn(errorMsg.toString());

Review comment:
       Additionally, what you said doesn't really strengthen your case about 
logging because connectivity issues are supposed to be transient. Then how does 
that make logging worse? If anything, this would serve as an important marker 
that lets you know that there were connectivity issues.




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