Github user BryanCutler commented on a diff in the pull request: https://github.com/apache/spark/pull/6205#discussion_r32275091 --- Diff: core/src/main/scala/org/apache/spark/rpc/akka/AkkaRpcEnv.scala --- @@ -295,19 +297,20 @@ private[akka] class AkkaRpcEndpointRef( actorRef ! AkkaMessage(message, false) } - override def ask[T: ClassTag](message: Any, timeout: FiniteDuration): Future[T] = { - actorRef.ask(AkkaMessage(message, true))(timeout).flatMap { - // The function will run in the calling thread, so it should be short and never block. - case msg @ AkkaMessage(message, reply) => - if (reply) { - logError(s"Receive $msg but the sender cannot reply") - Future.failed(new SparkException(s"Receive $msg but the sender cannot reply")) - } else { - Future.successful(message) - } - case AkkaFailure(e) => - Future.failed(e) - }(ThreadUtils.sameThread).mapTo[T] + override def ask[T: ClassTag](message: Any, timeout: RpcTimeout): Future[T] = { + actorRef.ask(AkkaMessage(message, true))(timeout.duration).flatMap { + // The function will run in the calling thread, so it should be short and never block. --- End diff -- good catch, it was off. fixed.
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