wineternity commented on code in PR #38702:
URL: https://github.com/apache/spark/pull/38702#discussion_r1034798225


##########
core/src/main/scala/org/apache/spark/status/AppStatusListener.scala:
##########
@@ -645,8 +645,11 @@ private[spark] class AppStatusListener(
   }
 
   override def onTaskEnd(event: SparkListenerTaskEnd): Unit = {
-    // TODO: can this really happen?
-    if (event.taskInfo == null) {
+    // TODO: can taskInfo null really happen?
+    // For resubmitted tasks caused by ExecutorLost, the SparkListenerTaskEnd 
is useless and
+    // will make activeTask in stage to be negative, this will cause stage not 
be removed in
+    // liveStages, and finally cause executor not removed in deadExecutors

Review Comment:
   > 
   
   You make it more clearly, great



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