Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/6205#discussion_r32261768
--- Diff:
core/src/test/scala/org/apache/spark/rpc/akka/AkkaRpcEnvSuite.scala ---
@@ -47,4 +56,60 @@ class AkkaRpcEnvSuite extends RpcEnvSuite {
}
}
+ test("timeout on ask Future with RpcTimeout") {
+
+ class EchoActor(sleepDuration: Long) extends Actor {
+ def receive: Receive = {
+ case msg =>
+ Thread.sleep(sleepDuration)
+ sender() ! msg
+ }
+ }
+
+ val system = ActorSystem("EchoSystem")
+ val echoActor = system.actorOf(Props(new EchoActor(0)), name = "echo")
+ val sleepyActor = system.actorOf(Props(new EchoActor(50)), name =
"sleepy")
+
+ val shortProp = "spark.rpc.short.timeout"
+ val timeout = new RpcTimeout(10 millis, shortProp)
+
+ try {
+
+ // Ask with immediate response
+ var fut = echoActor.ask("hello")(timeout.duration).mapTo[String].
+ recover(timeout.addMessageIfTimeout)
+
+ // This should complete successfully
+ val result = timeout.awaitResult(fut)
+
+ assert(result.nonEmpty)
+
+ // Ask with delayed response
+ fut = sleepyActor.ask("goodbye")(timeout.duration).mapTo[String].
+ recover(timeout.addMessageIfTimeout)
+
+ // Allow future to complete with failure using plain Await.result,
this will return
+ // once the future is complete
+ val msg1 =
+ intercept[RpcTimeoutException] {
+ Await.result(fut, 200 millis)
--- End diff --
I just tried this, it seems to work:
```
val akkaConf = ConfigFactory.empty().withValue("akka.log-dead-letters",
ConfigValueFactory.fromAnyRef("off"))
val system = ActorSystem("EchoSystem", akkaConf)
```
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