lindong28 commented on code in PR #22931:
URL: https://github.com/apache/flink/pull/22931#discussion_r1456726081


##########
flink-runtime/src/main/java/org/apache/flink/runtime/operators/coordination/OperatorCoordinatorHolder.java:
##########
@@ -143,12 +144,14 @@ private OperatorCoordinatorHolder(
 
     public void lazyInitialize(
             GlobalFailureHandler globalFailureHandler,
-            ComponentMainThreadExecutor mainThreadExecutor) {
+            ComponentMainThreadExecutor mainThreadExecutor,
+            @Nullable CheckpointCoordinator checkpointCoordinator) {
 
         this.globalFailureHandler = globalFailureHandler;
         this.mainThreadExecutor = mainThreadExecutor;
+        context.lazyInitialize(globalFailureHandler, mainThreadExecutor, 
checkpointCoordinator);
 
-        context.lazyInitialize(globalFailureHandler, mainThreadExecutor);
+        context.lazyInitialize(globalFailureHandler, mainThreadExecutor, 
checkpointCoordinator);

Review Comment:
   @XComp Thanks for catching this. No, we didn't do it intentionally. I 
believe it is introduced when Yunfeng rebased the. I didn't catch this issue 
because I didn't go over the entire PR end-to-end very carefully when there is 
only minor remaining comments in the last 2 rounds of review.
   
   It seems that the extra invocation of `lazyInitialize()` would not introduce 
any visible performance or correctness issue. Maybe one of us can fix it in our 
next PR.



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