Github user andrewor14 commented on a diff in the pull request: https://github.com/apache/spark/pull/9546#discussion_r44361026 --- Diff: core/src/main/scala/org/apache/spark/util/AsynchronousListenerBus.scala --- @@ -66,16 +66,13 @@ private[spark] abstract class AsynchronousListenerBus[L <: AnyRef, E](name: Stri self.synchronized { processingEvent = true } + if (stopped.get()) { + // Get out of the while loop and shutdown the daemon thread + return + } --- End diff -- can you move this into the `try`? If `stopped.get` throws an exception we still want to set `processingEvent` to false
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