[GitHub] [incubator-seatunnel] ashulin commented on a diff in pull request #2527: [Feature][ST-Engine] Add Job Cancel Feature

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

ashulin commented on code in PR #2527:
URL: https://github.com/apache/incubator-seatunnel/pull/2527#discussion_r955904527


##########
seatunnel-engine/seatunnel-engine-server/src/main/java/org/apache/seatunnel/engine/server/task/operation/source/RequestSplitOperation.java:
##########
@@ -46,10 +48,15 @@ public RequestSplitOperation(TaskLocation taskID, TaskLocation enumeratorTaskID)
     @Override
     public void run() throws Exception {
         SeaTunnelServer server = getService();
-        SourceSplitEnumeratorTask<?> task =
+
+        RetryUtils.retryWithException(() -> {
+            SourceSplitEnumeratorTask<?> task =
                 server.getTaskExecutionService().getExecutionContext(enumeratorTaskID.getTaskGroupID())
-                        .getTaskGroup().getTask(enumeratorTaskID.getTaskID());
-        task.requestSplit(taskID.getTaskID());
+                    .getTaskGroup().getTask(enumeratorTaskID.getTaskID());
+            task.requestSplit(taskID.getTaskID());
+            return null;
+        }, new RetryUtils.RetryMaterial(Constant.OPERATION_RETRY_TIME, true,

Review Comment:
   What causes a NullPointerException?



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