Github user zsxwing commented on a diff in the pull request: https://github.com/apache/spark/pull/5268#discussion_r27490525 --- Diff: core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala --- @@ -21,39 +21,43 @@ import java.net.URL import java.nio.ByteBuffer import scala.collection.mutable -import scala.concurrent.Await +import scala.util.{Failure, Success} -import akka.actor.{Actor, ActorSelection, Props} -import akka.pattern.Patterns -import akka.remote.{RemotingLifecycleEvent, DisassociatedEvent} - -import org.apache.spark.{Logging, SecurityManager, SparkConf, SparkEnv} +import org.apache.spark.rpc._ +import org.apache.spark._ import org.apache.spark.TaskState.TaskState import org.apache.spark.deploy.SparkHadoopUtil import org.apache.spark.deploy.worker.WorkerWatcher import org.apache.spark.scheduler.TaskDescription import org.apache.spark.scheduler.cluster.CoarseGrainedClusterMessages._ -import org.apache.spark.util.{ActorLogReceive, AkkaUtils, SignalLogger, Utils} +import org.apache.spark.util.{SignalLogger, Utils} private[spark] class CoarseGrainedExecutorBackend( + override val rpcEnv: RpcEnv, driverUrl: String, executorId: String, hostPort: String, cores: Int, userClassPath: Seq[URL], env: SparkEnv) - extends Actor with ActorLogReceive with ExecutorBackend with Logging { + extends RpcEndpoint with ExecutorBackend with Logging { Utils.checkHostPort(hostPort, "Expected hostport") var executor: Executor = null - var driver: ActorSelection = null + @volatile var driver: Option[RpcEndpointRef] = None - override def preStart() { + override def onStart() { + import scala.concurrent.ExecutionContext.Implicits.global logInfo("Connecting to driver: " + driverUrl) - driver = context.actorSelection(driverUrl) - driver ! RegisterExecutor(executorId, hostPort, cores, extractLogUrls) - context.system.eventStream.subscribe(self, classOf[RemotingLifecycleEvent]) + rpcEnv.asyncSetupEndpointRefByURI(driverUrl).flatMap { ref => + driver = Some(ref) + ref.sendWithReply[RegisteredExecutor.type]( + RegisterExecutor(executorId, self, hostPort, cores, extractLogUrls)) + } onComplete { + case Success(msg) => self.send(msg) + case Failure(e) => logError(s"Cannot register to driver: $driverUrl", e) --- End diff -- Fixed.
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org