Github user kayousterhout commented on a diff in the pull request: https://github.com/apache/spark/pull/1498#discussion_r15499281 --- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala --- @@ -691,25 +689,41 @@ class DAGScheduler( } } - /** Called when stage's parents are available and we can now do its task. */ private def submitMissingTasks(stage: Stage, jobId: Int) { logDebug("submitMissingTasks(" + stage + ")") // Get our pending tasks and remember them in our pendingTasks entry stage.pendingTasks.clear() var tasks = ArrayBuffer[Task[_]]() + + var broadcastRddBinary: Broadcast[Array[Byte]] = null + try { + broadcastRddBinary = stage.rdd.createBroadcastBinary() + } catch { + case e: NotSerializableException => + abortStage(stage, "Task not serializable: " + e.toString) + runningStages -= stage --- End diff -- Yeah I agree re:unexpected behavior for other listeners -- I think ideally we should maintain the invariant that if you get a StageSubmitted event, you'll always eventually get a StageCompleted, and that the former always comes before the latter, since I think that's the intuitive behavior.
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