sv2000 commented on a change in pull request #2907: [GOBBLIN-1068]Clean up 
cyclic logic in task cancellation
URL: https://github.com/apache/incubator-gobblin/pull/2907#discussion_r387987780
 
 

 ##########
 File path: 
gobblin-cluster/src/test/java/org/apache/gobblin/cluster/suite/IntegrationJobCancelSuite.java
 ##########
 @@ -40,15 +42,23 @@
         ConfigurationKeys.SOURCE_CLASS_KEY, 
"org.apache.gobblin.cluster.SleepingCustomTaskSource",
         ConfigurationKeys.JOB_ID_KEY, JOB_ID,
         GobblinClusterConfigurationKeys.HELIX_JOB_TIMEOUT_ENABLED_KEY, 
Boolean.TRUE,
-        GobblinClusterConfigurationKeys.HELIX_JOB_TIMEOUT_SECONDS, 10L, 
SleepingTask.TASK_STATE_FILE_KEY, TASK_STATE_FILE))
-        .withFallback(rawJobConfig);
+        GobblinClusterConfigurationKeys.HELIX_JOB_TIMEOUT_SECONDS, 10L,
+
+        // Put SleepingTask in infinite sleep so that cancellation thereby 
ensuring cancellation to happen.
+        SleepingTask.TASK_STATE_FILE_KEY, TASK_STATE_FILE))
+        .withFallback(rawJobConfig.withValue(SLEEPING_TASK_SLEEP_TIME, 
ConfigValueFactory.fromAnyRef(-1)));
     return ImmutableMap.of(JOB_NAME, newConfig);
   }
 
+  /**
+   * Note This verification now ties to {@link SleepingTask} which is not 
ideal.
+   */
   @Override
   public void waitForAndVerifyOutputFiles() throws Exception {
+    // Sleeing task is in infinite sleeping, so unless an cancelling is 
hitting task execution, this line won't be printed.
 
 Review comment:
   Change comment to: "SleepingTask is in an infinite sleep. The log line is 
printed only when a cancellation in invoked."

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