Thank you for your reply!
If I understand correctly, TerminatePlease should make the actor use
context().stop(self()), and I can not persist anything while receiving it.
Anders
torsdag 16. april 2015 16.00.26 UTC+2 skrev Anders Båtstrand følgende:
>
> I am having some troubles understanding the finer details of the
> PoisonPill.
>
> As I understand it, it is a normal message, and will be processed AFTER
> the persist-callback is executed.
>
> I have the following code in my onReceiveCommand:
>
> System.out.println("About to persist: " + message);
> persist(message, o -> System.out.println("Persisted: " + o));
>
>
> When I run the following against this actor 8not using TestActorRef):
>
> actorRef.tell("Test message", getTestActor());
> Thread.sleep(1000L);
> actorRef.tell(PoisonPill.getInstance(), getTestActor());
>
> Thread.sleep(1000L);
>
>
> I get the expected output:
>
> About to persist: Test message
> Persisted: Test message
>
>
> If I remove the sleep between the messages, I sometimes get the following:
>
> [INFO] [04/16/2015 15:50:11.183] [Test-System-akka.actor.default-
> dispatcher-5] [akka://Test-System/user/my-actor] Message
> [akka.persistence.Recover] from
> Actor[akka://Test-System/user/my-actor#867538471] to
> Actor[akka://Test-System/user/my-actor#867538471] was not delivered. [1]
> dead letters encountered. [...]
>
> How is this possible? It seems the PoisonPill arrived first... But message
> ordering should be guaranteed between sender (testActor) and my actor,
> right?
>
> If I add a short sleep between the two tell, I sometimes get different
> (internal) messages in deadletters.
>
> Best regards,
>
> Anders
>
>
>
>
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