[GitHub] markusthoemmes commented on issue #3278: Fix NullPointerException in ActivationFinisher.

[GitBox <gi...@apache.org>]

markusthoemmes commented on issue #3278: Fix NullPointerException in ActivationFinisher.
URL: https://github.com/apache/incubator-openwhisk/pull/3278#issuecomment-365769383
 
 
   This proves that `postStop` will also be called from an internal `context.stop` (and that the context is always there then, the NPE was actually in `shutdown`).
   
   ```scala
   object Testing {
     import scala.concurrent.Await
   
     class TestActor extends Actor {
       override def receive: Receive = {
         case "stop" => context.stop(self)
       }
   
       override def postStop(): Unit = {
         println(context)
         println("Yep, I was called :)")
       }
     }
   
     def main(args: Array[String]): Unit = {
       implicit val as = ActorSystem()
   
       val testActor1 = as.actorOf(Props[TestActor])
       val testActor2 = as.actorOf(Props[TestActor])
   
       as.stop(testActor1)
       testActor2 ! "stop"
   
       Await.ready(as.terminate(), 10.seconds)
     }
   }
   ```

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