Akka 2.5.3

On Saturday, July 15, 2017 at 11:35:04 PM UTC+7, Hengky Sucanda wrote:
>
> Hi Guys, i am experiencing NPE when starting a persistent FSM that is 
> cluster sharded:
>
> a.a.OneForOneStrategy - null
> java.lang.NullPointerException: null
> at 
> akka.persistence.fsm.PersistentFSM$$anonfun$receiveRecover$1.applyOrElse(PersistentFSM.scala:121)
>  
> ~[akka-persistence_2.11-2.5.3.jar:na]
> at 
> scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36) 
> ~[scala-library-2.11.9.jar:1.0.1]
> at 
> co.styletheory.user.impl.process.registration.UserRegistrationProcess$$anonfun$receiveRecover$1.applyOrElse(UserRegistrationProcess.scala:60)
>  
> ~[classes/:na]
> at 
> scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36) 
> ~[scala-library-2.11.9.jar:1.0.1]
> at 
> akka.persistence.Eventsourced$$anon$3$$anonfun$1.applyOrElse(Eventsourced.scala:452)
>  
> ~[akka-persistence_2.11-2.5.3.jar:na]
> at akka.actor.Actor$class.aroundReceive(Actor.scala:513) 
> ~[akka-actor_2.11-2.5.3.jar:na]
> at 
> co.styletheory.user.impl.process.registration.UserRegistrationProcess.akka$persistence$Eventsourced$$super$aroundReceive(UserRegistrationProcess.scala:10)
>  
> ~[classes/:na]
> at 
> akka.persistence.Eventsourced$$anon$4.stateReceive(Eventsourced.scala:538) 
> ~[akka-persistence_2.11-2.5.3.jar:na]
> at 
> akka.persistence.Eventsourced$class.aroundReceive(Eventsourced.scala:183) 
> ~[akka-persistence_2.11-2.5.3.jar:na]
> at 
> co.styletheory.user.impl.process.registration.UserRegistrationProcess.aroundReceive(UserRegistrationProcess.scala:10)
>  
> ~[classes/:na]
> [error] a.a.OneForOneStrategy - permits must not be negative
> java.lang.IllegalStateException: permits must not be negative
> at 
> akka.persistence.RecoveryPermitter.akka$persistence$RecoveryPermitter$$returnRecoveryPermit(RecoveryPermitter.scala:63)
>  
> ~[akka-persistence_2.11-2.5.3.jar:na]
> at 
> akka.persistence.RecoveryPermitter$$anonfun$receive$1.applyOrElse(RecoveryPermitter.scala:52)
>  
> ~[akka-persistence_2.11-2.5.3.jar:na]
> at akka.actor.Actor$class.aroundReceive(Actor.scala:513) 
> ~[akka-actor_2.11-2.5.3.jar:na]
> at 
> akka.persistence.RecoveryPermitter.aroundReceive(RecoveryPermitter.scala:32) 
> ~[akka-persistence_2.11-2.5.3.jar:na]
> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:527) 
> [akka-actor_2.11-2.5.3.jar:na]
> at akka.actor.ActorCell.invoke(ActorCell.scala:496) 
> [akka-actor_2.11-2.5.3.jar:na]
> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) 
> [akka-actor_2.11-2.5.3.jar:na]
> at akka.dispatch.Mailbox.run(Mailbox.scala:224) 
> [akka-actor_2.11-2.5.3.jar:na]
> at akka.dispatch.Mailbox.exec(Mailbox.scala:234) 
> [akka-actor_2.11-2.5.3.jar:na]
> at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) 
> [akka-actor_2.11-2.5.3.jar:na]
>
>
> My FSM looks like this:
>
> class UserRegistrationProcess(implicit val domainEventClassTag: 
> ClassTag[RegistrationEvent])
>     extends PersistentFSM[RegistrationStatus, RegistrationForm, 
> RegistrationEvent] {
>
>   println("starting actor process")
>
>   override def persistenceId = s"RegistrationProcess-${self.path.name}"
>
>   override def applyEvent(domainEvent: RegistrationEvent, currentData: 
> RegistrationForm): RegistrationForm = {
>     domainEvent match {
>       case RegistrationRequested(request)   => 
> currentData.fillForm(request)
>       case UserRegistered(email)            => DuplicateRegistrationForm
>       case UserRegistrationCompleted(email) => CompleteRegistrationForm
>       case _                                => currentData
>     }
>   }
>
>   startWith(NotRegistered, EmptyRegistrationForm)
>
>   when(NotRegistered) {
>     case Event(InitiateRegistrationProcess(id, request), data) =>
>       println("test 2")
>       val senderRef = sender()
>       goto(Registering) applying RegistrationRequested(request) andThen 
> (data => senderRef ! data)
>     case Event(_, data) =>
>       println("test")
>       stay replying data
>   }
>
>   when(Registering) {
>     case Event(MarkUserRegisteredFromDuplicateForm(email), _) =>
>       val senderRef = sender()
>       goto(Registered) applying UserRegistered(email) andThen (data => 
> senderRef ! data)
>     case Event(MarkRegistrationComplete(email), _) =>
>       val senderRef = sender()
>       goto(Registered) applying UserRegistrationCompleted(email) andThen 
> (data => senderRef ! data)
>     case Event(InitiateRegistrationProcess(id, request), data) =>
>       stay() replying data
>   }
>
>   when(Registered) {
>     case Event(InitiateRegistrationProcess(id, request), data) =>
>       stay() replying DuplicateRegistrationForm
>     case Event(_, data) =>
>       stay replying data
>   }
>
>   override def receiveRecover: Receive = {
>     case null =>
>     case any =>
>       println("recovering " + any.toString)
>       super.receiveRecover(any)
>   }
> }
>
>
> Been debugging from some time and can't figure out why it happens. Any 
> help is appreciated.
>

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