kaisun2000 commented on a change in pull request #1328:
URL: https://github.com/apache/helix/pull/1328#discussion_r486738697



##########
File path: 
helix-core/src/main/java/org/apache/helix/tools/ClusterVerifiers/ZkHelixClusterVerifier.java
##########
@@ -19,6 +19,7 @@
  * under the License.
  */
 
+import java.util.Arrays;

Review comment:
       removed.

##########
File path: 
helix-core/src/main/java/org/apache/helix/tools/ClusterVerifiers/ZkHelixClusterVerifier.java
##########
@@ -234,6 +236,9 @@ protected boolean verifyByCallback(long timeout, 
List<ClusterVerifyTrigger> trig
         if (!success) {
           // make a final try if timeout
           success = verifyState();
+          if (!success) {
+            LOG.error("verifyByCallback failed due to timeout");

Review comment:
       fixed.




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