Hello,

I have a UI Controller that listens to requests from the user, and uses 
Akka to talk to some other back end services for request processing.

When I bootstrap my UI, I wire in an ActorSystem object. 

When I receive a request from a user, I create an "actor-per-request" using 
the wired in ActorSystem as such...

  final ActorRef workHandler =
                AppActorSystem.actorOf(
                    RequestActor.props(workId),
                    "workhandler-" + workId);

  mediator.tell(new 
DistributedPubSubMediator.Send("/user/ServiceMaster/active", work),
            workHandler);


As you can see, I am sending work to the pub sub mediator topic, and 
sending in a workHandler so that the service can respond to it (via 
getSender() )

This works almost all of the time, but every so often I see that the 
service does a getSender().tell and the workHandler never indicates it 
received any message. Additionally I see no log messages about deadLetters.

Has anyone seen this behavior? Eventually my workHandler just times out 
since it hasn't heard back from the service, but I am wondering why 
communication between the two works most of the time then randomly the two 
seem to ignore eachother.


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