title: Actor creation error in akka
body: <p>trying to create an actor in akka and call its receive function. I keep getting this error.</p>
  
  <pre><code>[ERROR] [10/26/2013 18:53:29.313] [messagespreading-akka.actor.default-dispatcher-4] [akka://messagespreading/user/$a] error while processing Create(-1187846526)
  70ec3d6a-184d-403c-8166-04aec76200c9akka.actor.ActorInitializationException: exception during creation
      at akka.actor.ActorInitializationException$.apply(Actor.scala:169)
      at akka.actor.ActorCell.create(ActorCell.scala:496)
      at akka.actor.ActorCell.systemInvoke(ActorCell.scala:351)
      at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:256)
      at akka.dispatch.Mailbox.run(Mailbox.scala:211)
      at akka.dispatch.ForkJoinExecutorConfigurator$MailboxExecutionTask.exec(AbstractDispatcher.scala:502)
      at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
      at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
      at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
      at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
  Caused by: java.lang.IllegalArgumentException: n must be positive
      at java.util.Random.nextInt(Random.java:250)
      at scala.util.Random.nextInt(Random.scala:65)
      at NetworkBuilder.&lt;init&gt;(pastry.scala:431)
      at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
      at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
      at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
      at java.lang.Class.newInstance0(Class.java:357)
      at java.lang.Class.newInstance(Class.java:310)
      at akka.util.Reflect$.instantiate(Reflect.scala:39)
      at akka.actor.FromClassCreator.apply(Props.scala:187)
      at akka.actor.FromClassCreator.apply(Props.scala:186)
      at akka.actor.ActorCell.newActor(ActorCell.scala:461)
      at akka.actor.ActorCell.create(ActorCell.scala:479)
      ... 8 more
  </code></pre>
  
  <p>CODE TO CREATE AND CALL ACTOR RECEIVE.</p>
  
  <pre><code>val system = ActorSystem("messagespreading")
  var NetworkBuilderObj:ActorRef= system.actorOf(Props[NetworkBuilder]) 
  NetworkBuilderObj ! test
  </code></pre>