Hi,
I was giving it a try to the akka cluster feature. I made two systems to
say front and backend. Is just for giving it a try, nothing real.
On the front end system I have a router that routes messages to actors in
the backend system.
The odd thing i found is that if i send a message to the router in the
frontend as soon as it is created ( being the backend system up an
running ) then the message goes to frontend deadletters.
If I add a delay for instance sleep the thread a second before sending a
message then it reaches the backend actor.
It seemed to me a bit odd, is this something expected?
part of the code in the front end system
Cluster.get(system).registerOnMemberUp(new Runnable() {
public void run() {
ActorRef processor =
system.actorOf(Props.create(CommercePaymentActor.class),
"creditCardPaymentActor");
processor.tell("Message from front End", ActorRef.noSender());
}
});
................
public class CommercePaymentActor extends UntypedActor {
private final ActorRef creditCardPaymentRouter;
public CommercePaymentActor() {
creditCardPaymentRouter =
getContext().actorOf(FromConfig.getInstance().props(),
"creditCardPaymentRouter");
}
@Override
public void onReceive(Object event) throws Exception {
Thread.sleep(1000);
creditCardPaymentRouter.tell(event, getSelf());
}
}
................
the router config:
akka.actor.deployment {
/creditCardPaymentActor/creditCardPaymentRouter {
# Router type provided by metrics extension.
router = "akka.cluster.metrics.AdaptiveLoadBalancingGroup"
metrics-selector = mix
#
routees.paths = ["/user/creditCardPaymentProcessor"]
cluster {
enabled = on
use-role = backend
allow-local-routees = off
}
}
}
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