@deprecated("Suppress warnings", since="2.11") object Test { import scala.actors.{Actor, SchedulerAdapter} trait AdaptedActor extends Actor { override def scheduler = Test.adapted } object One extends AdaptedActor { def act() { try { Two.start() Two ! 'MsgForTwo react { case 'MsgForOne => println("One: received msg") } } catch { case e: Throwable if !e.isInstanceOf[scala.util.control.ControlThrowable] => e.printStackTrace() } } } object Two extends AdaptedActor { def act() { try { react { case 'MsgForTwo => println("Two: received msg") One ! 'MsgForOne } } catch { case e: Throwable if !e.isInstanceOf[scala.util.control.ControlThrowable] => e.printStackTrace() } } } val adapted = new SchedulerAdapter { def execute(block: => Unit) { println("before") block } } def main(args: Array[String]) { One.start() } }