Hi all,
I'm hoping that someone will be able point me in the right direction, given
their experience on what usually causes the following error. *Note*: due
to a confidentiality agreement, I'm unable to post the code that causes it.
There doesn't seem to be any direct information in the stack trace that
would identify my offending code. I've gone as far as testing each
individual message for null prior to sending, and nothing shows up. I've
also tried to trap the exception with fine-grained try-catch blocks, and
again nothing shows up. Any ideas?
Thanks in advance,
Bruce
2014-02-12 16:55:24,372 ERROR [system-akka.actor.default-dispatcher-16]
a.a.OneForOneStrategy [Slf4jLogger.scala:66] Message is null
akka.actor.InvalidMessageException: Message is null
at akka.dispatch.Envelope$.apply(AbstractDispatcher.scala:29)
~[akka-actor_2.10-2.2.3.jar:2.2.3]
at akka.actor.Cell$class.sendMessage(ActorCell.scala:259)
~[akka-actor_2.10-2.2.3.jar:2.2.3]
at akka.actor.ActorCell.sendMessage(ActorCell.scala:338)
~[akka-actor_2.10-2.2.3.jar:2.2.3]
at akka.actor.LocalActorRef.$bang(ActorRef.scala:389)
~[akka-actor_2.10-2.2.3.jar:2.2.3]
at akka.actor.ActorRef.tell(ActorRef.scala:125)
~[akka-actor_2.10-2.2.3.jar:2.2.3]
at
akka.actor.ActorCell$$anonfun$autoReceiveMessage$2.apply(ActorCell.scala:493)
~[akka-actor_2.10-2.2.3.jar:2.2.3]
at
akka.actor.ActorCell$$anonfun$autoReceiveMessage$2.apply(ActorCell.scala:493)
~[akka-actor_2.10-2.2.3.jar:2.2.3]
at
scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:772)
~[scala-library.jar:na]
at scala.collection.Iterator$class.foreach(Iterator.scala:727)
~[scala-library.jar:na]
at
akka.util.Collections$PartialImmutableValuesIterable$$anon$1.foreach(Collections.scala:27)
~[akka-actor_2.10-2.2.3.jar:2.2.3]
at
akka.util.Collections$PartialImmutableValuesIterable.foreach(Collections.scala:52)
~[akka-actor_2.10-2.2.3.jar:2.2.3]
at
scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:771)
~[scala-library.jar:na]
at akka.actor.ActorCell.autoReceiveMessage(ActorCell.scala:493)
~[akka-actor_2.10-2.2.3.jar:2.2.3]
at akka.actor.ActorCell.invoke(ActorCell.scala:455)
~[akka-actor_2.10-2.2.3.jar:2.2.3]
at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
[akka-actor_2.10-2.2.3.jar:2.2.3]
at akka.dispatch.Mailbox.run(Mailbox.scala:219)
[akka-actor_2.10-2.2.3.jar:2.2.3]
at
akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386)
[akka-actor_2.10-2.2.3.jar:2.2.3]
at
scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
[scala-library.jar:na]
at
scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
[scala-library.jar:na]
at
scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
[scala-library.jar:na]
at
scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
[scala-library.jar:na]
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