Github user andrewor14 commented on a diff in the pull request: https://github.com/apache/spark/pull/1262#discussion_r14610935 --- Diff: core/src/main/scala/org/apache/spark/ui/jobs/JobProgressListener.scala --- @@ -75,8 +65,13 @@ class JobProgressListener(conf: SparkConf) extends SparkListener { override def onStageCompleted(stageCompleted: SparkListenerStageCompleted) = synchronized { val stage = stageCompleted.stageInfo val stageId = stage.stageId + val stageData = stageUIData.getOrElseUpdate(stage.stageId, { + logWarning("Stage completed for unknown stage " + stage.stageId) + new StageUIData + }) + // Remove by stageId, rather than by StageInfo, in case the StageInfo is from storage --- End diff -- this comment is no longer true
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