Renaming InVMMonitoring to LocalDeathWatch and moved it into AkkaApplication, also created a createDeathWatch method in ActorRefProvider so that it's seeded from there, and then removed @volatile from alot of vars in ActorCell since the fields are now protected by the Mailbox status field

akka-actor/src/main/scala/akka/dispatch/Dispatcher.scala

@@ -121,8 +121,11 @@ class Dispatcher(
           true
         } catch {
           case e: RejectedExecutionException ⇒
-            app.eventHandler.warning(this, e.toString)
-            mbox.setAsIdle()
+            try {
+              app.eventHandler.warning(this, e.toString)
+            } finally {
+              mbox.setAsIdle()
+            }
             throw e
         }
       } else false