Ngone51 commented on a change in pull request #27752: [SPARK-30999][SQL] Don't
cancel a QueryStageExec which is already finished
URL: https://github.com/apache/spark/pull/27752#discussion_r386247756
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/AdaptiveSparkPlanExec.scala
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@@ -158,25 +158,34 @@ case class AdaptiveSparkPlanExec(
var result = createQueryStages(currentPhysicalPlan)
val events = new LinkedBlockingQueue[StageMaterializationEvent]()
val errors = new mutable.ArrayBuffer[SparkException]()
+ val runningStages = util.Collections.synchronizedSet(new
util.HashSet[QueryStageExec]())
Review comment:
Wait, wait. After taking another look, I realized that `cancel` has already
skipped finished stage. So, the problem, actually, only exists in stage which
fails to initialize lazy val.
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