kaisun2000 commented on a change in pull request #1537:
URL: https://github.com/apache/helix/pull/1537#discussion_r528137543



##########
File path: 
helix-core/src/test/java/org/apache/helix/integration/task/TestDeleteJobFromJobQueue.java
##########
@@ -69,7 +69,14 @@ public void testForceDeleteJobFromJobQueue() throws 
InterruptedException {
     Assert
         
.assertNotNull(_driver.getJobContext(TaskUtil.getNamespacedJobName(jobQueueName,
 "job2")));
 
-    // The following force delete for the job should go through without 
getting an exception
+    // Force deletion can have Exception thrown as controller is writing to 
propertystore path too.
+    // https://github.com/apache/helix/issues/1406, also force deletion may 
not be safe.
+    // Thus, we stop pipeline to make sure there is not such race condition.
+    _gSetupTool.getClusterManagementTool().enableCluster(CLUSTER_NAME, false);

Review comment:
       `protected final String CLUSTER_NAME = CLUSTER_PREFIX + "_" + 
getShortClassName();` each test class has unique  cluster name. 




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