Hi Chris,
On Tue, Nov 15, 2016 at 1:46 PM, oxbow_lakes <oxbowla...@gmail.com> wrote:
> The following code:
>
> Welcome to Scala 2.12.0 (Java HotSpot(TM) 64-Bit Server VM, Java
> 1.8.0_112).
> Type in expressions for evaluation. Or try :help.
>
>
> scala> import akka.actor._; import scala.concurrent._; import duration._
> import akka.actor._
> import scala.concurrent._
> import duration._
>
> scala> :paste
> // Entering paste mode (ctrl-D to finish)
>
> val s = ActorSystem("test")
> def onTerm = {
> println("Waiting...")
> Await.result(s.whenTerminated, Duration.Inf)
> println("Fin!")
> }
> s.registerOnTermination(onTerm)
>
> // Exiting paste mode, now interpreting.
>
> s: akka.actor.ActorSystem = akka://test
> onTerm: Unit
>
> scala> s.terminate
> res1: scala.concurrent.Future[akka.actor.Terminated] = Future(<not
> completed>)
>
> scala> Waiting...
>
>
> At this point the future doesn't terminate. Looking at the documentation
> of *whenTerminated*; "Returns a Future which will be completed after the
> ActorSystem has been terminated and termination hooks have been executed".
> It's probably a good idea to indicate on the *registerOnTermination*
> method that it's dangerous to wait on the whenTerminated future from the
> callback.
>
Can you please file a ticket, or even better a PR to fix the relevant docs?
-Endre
>
>
> Chris
>
> --
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--
Akka Team
Lightbend <http://www.lightbend.com/> - Reactive apps on the JVM
Twitter: @akkateam
--
>>>>>>>>>> Read the docs: http://akka.io/docs/
>>>>>>>>>> Check the FAQ:
>>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html
>>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user
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