scala - Akka Actor restarts after exception during Unit test -

my actor looks

import akka.actor.status.failure import akka.actor.{actor, actorlogging, props} import akka.event.loggingreceive  object runner {   def props(race: race) = props(classof[runner], race) }  class runner(race: race) extends actor actorlogging {    override def receive: receive = loggingreceive {     case start =>       sender ! "ok"       log.debug("running...")       thread.sleep(10)       throw new runtimeexception("marathonrunner tired")      case failure(throwable) => throw throwable      case stop =>       log.debug("stopping runner")       context.stop(self)   } } 

and test looks

import akka.actor.{terminated, actorsystem} import akka.testkit.{implicitsender, testactorref, testkit} import org.scalatest._ import scala.concurrent.duration._   class runnerspec extends testkit(actorsystem("testsystem")) wordspeclike mustmatchers implicitsender {     "must fail exception" in {       val runnerref = testactorref(new runner(new marathon), "testrunnerexception")       runnerref ! start       expectmsg("ok")       watch(runnerref)       expectmsg(20 millis, terminated)     } } 

• however, see in logs fails since, once runtimeexception occurs, actor restarted.
• as see actor not define supervisorstrategy, parent

class coach() extends actor actorlogging {    val runner = context.actorof(runner.props(new marathon).withdispatcher("my-pinned-dispatcher"), "runner")    override def supervisorstrategy: supervisorstrategy = oneforonestrategy(maxnrofretries = 2, withintimerange = 5 seconds) {     case _: runtimeexception =>       sender ! start       restart   } 

but not testing supervisor here, infact supervisor not part of test.

what going wrong here?

log

testing started @ 11:48 ... [debug] [06/02/2015 11:48:08.068] [scalatest-run] [eventstream(akka://testsystem)] logger log1-logging$defaultlogger started [debug] [06/02/2015 11:48:08.069] [scalatest-run] [eventstream(akka://testsystem)] default loggers started [debug] [06/02/2015 11:48:08.072] [testsystem-akka.actor.default-dispatcher-4] [akka://testsystem/system] supervising actor[akka://testsystem/system/deadletterlistener#58458639] [debug] [06/02/2015 11:48:08.075] [testsystem-akka.actor.default-dispatcher-4] [akka://testsystem/system/deadletterlistener] started (akka.event.deadletterlistener@7b2fe415) [debug] [06/02/2015 11:48:08.089] [testsystem-akka.actor.default-dispatcher-5] [akka://testsystem/system/testactor1] started (akka.testkit.testactor@6242009b) [debug] [06/02/2015 11:48:08.090] [testsystem-akka.actor.default-dispatcher-5] [akka://testsystem/system] supervising actor[akka://testsystem/system/testactor1#1776291392][debug] [06/02/2015 11:48:08.249] [testsystem-akka.actor.default-dispatcher-4] [akka://testsystem/user] supervising testactor[akka://testsystem/user/testrunnerexception] [debug] [06/02/2015 11:48:08.250] [scalatest-run-running-runnerspec] [akka://testsystem/user/testrunnerexception] started (com.learner.ahka.ruforever.runner@afdd280) [debug] [06/02/2015 11:48:08.251] [scalatest-run-running-runnerspec] [akka://testsystem/user/testrunnerexception] received handled message start [debug] [06/02/2015 11:48:08.254] [scalatest-run-running-runnerspec] [akka://testsystem/user/testrunnerexception] running... [debug] [06/02/2015 11:48:08.267] [scalatest-run-running-runnerspec] [akka://testsystem/user/testrunnerexception] watched actor[akka://testsystem/system/testactor1#1776291392] [error] [06/02/2015 11:48:08.269] [testsystem-akka.actor.default-dispatcher-5] [akka://testsystem/user/testrunnerexception] marathonrunner tired java.lang.runtimeexception: marathonrunner tired     @ com.learner.ahka.ruforever.runner$$anonfun$receive$1.applyorelse(runner.scala:18)     @ scala.runtime.abstractpartialfunction.apply(abstractpartialfunction.scala:36)     @ akka.event.loggingreceive.apply(loggingreceive.scala:62)     @ akka.event.loggingreceive.apply(loggingreceive.scala:50)     @ scala.partialfunction$class.applyorelse(partialfunction.scala:123)     @ akka.event.loggingreceive.applyorelse(loggingreceive.scala:50)     @ akka.actor.actor$class.aroundreceive(actor.scala:467)     @ com.learner.ahka.ruforever.runner.aroundreceive(runner.scala:11)     @ akka.actor.actorcell.receivemessage(actorcell.scala:516)     @ akka.actor.actorcell.invoke(actorcell.scala:487)     @ akka.testkit.callingthreaddispatcher.process$1(callingthreaddispatcher.scala:251)     @ akka.testkit.callingthreaddispatcher.runqueue(callingthreaddispatcher.scala:284)     @ akka.testkit.callingthreaddispatcher.dispatch(callingthreaddispatcher.scala:208)     @ akka.actor.dungeon.dispatch$class.sendmessage(dispatch.scala:123)     @ akka.actor.actorcell.sendmessage(actorcell.scala:369)     @ akka.actor.cell$class.sendmessage(actorcell.scala:290)     @ akka.actor.actorcell.sendmessage(actorcell.scala:369)     @ akka.actor.localactorref.$bang(actorref.scala:384)     @ com.learner.ahka.ruforever.runnerspec$$anonfun$1.apply$mcv$sp(runnerspec.scala:15)     @ com.learner.ahka.ruforever.runnerspec$$anonfun$1.apply(runnerspec.scala:13)     @ com.learner.ahka.ruforever.runnerspec$$anonfun$1.apply(runnerspec.scala:13)     @ org.scalatest.transformer$$anonfun$apply$1.apply$mcv$sp(transformer.scala:22)     @ org.scalatest.outcomeof$class.outcomeof(outcomeof.scala:85)     @ org.scalatest.outcomeof$.outcomeof(outcomeof.scala:104)     @ org.scalatest.transformer.apply(transformer.scala:22)     @ org.scalatest.transformer.apply(transformer.scala:20)     @ org.scalatest.wordspeclike$$anon$1.apply(wordspeclike.scala:953)     @ org.scalatest.suite$class.withfixture(suite.scala:1122)     @ com.learner.ahka.ruforever.runnerspec.withfixture(runnerspec.scala:9)     @ org.scalatest.wordspeclike$class.invokewithfixture$1(wordspeclike.scala:950)     @ org.scalatest.wordspeclike$$anonfun$runtest$1.apply(wordspeclike.scala:962)     @ org.scalatest.wordspeclike$$anonfun$runtest$1.apply(wordspeclike.scala:962)     @ org.scalatest.superengine.runtestimpl(engine.scala:306)     @ org.scalatest.wordspeclike$class.runtest(wordspeclike.scala:962)     @ com.learner.ahka.ruforever.runnerspec.runtest(runnerspec.scala:9)     @ org.scalatest.wordspeclike$$anonfun$runtests$1.apply(wordspeclike.scala:1021)     @ org.scalatest.wordspeclike$$anonfun$runtests$1.apply(wordspeclike.scala:1021)     @ org.scalatest.superengine$$anonfun$traversesubnodes$1$1.apply(engine.scala:413)     @ org.scalatest.superengine$$anonfun$traversesubnodes$1$1.apply(engine.scala:401)     @ scala.collection.immutable.list.foreach(list.scala:381)     @ org.scalatest.superengine.traversesubnodes$1(engine.scala:401)     @ org.scalatest.superengine.org$scalatest$superengine$$runtestsinbranch(engine.scala:396)     @ org.scalatest.superengine.runtestsimpl(engine.scala:483)     @ org.scalatest.wordspeclike$class.runtests(wordspeclike.scala:1021)     @ com.learner.ahka.ruforever.runnerspec.runtests(runnerspec.scala:9)     @ org.scalatest.suite$class.run(suite.scala:1424)     @ com.learner.ahka.ruforever.runnerspec.org$scalatest$wordspeclike$$super$run(runnerspec.scala:9)     @ org.scalatest.wordspeclike$$anonfun$run$1.apply(wordspeclike.scala:1067)     @ org.scalatest.wordspeclike$$anonfun$run$1.apply(wordspeclike.scala:1067)     @ org.scalatest.superengine.runimpl(engine.scala:545)     @ org.scalatest.wordspeclike$class.run(wordspeclike.scala:1067)     @ com.learner.ahka.ruforever.runnerspec.run(runnerspec.scala:9)     @ org.scalatest.tools.suiterunner.run(suiterunner.scala:55)     @ org.scalatest.tools.runner$$anonfun$dorunrunrundadorunrun$3.apply(runner.scala:2563)     @ org.scalatest.tools.runner$$anonfun$dorunrunrundadorunrun$3.apply(runner.scala:2557)     @ scala.collection.immutable.list.foreach(list.scala:381)     @ org.scalatest.tools.runner$.dorunrunrundadorunrun(runner.scala:2557)     @ org.scalatest.tools.runner$$anonfun$runoptionallywithpassfailreporter$2.apply(runner.scala:1044)     @ org.scalatest.tools.runner$$anonfun$runoptionallywithpassfailreporter$2.apply(runner.scala:1043)     @ org.scalatest.tools.runner$.withclassloaderanddispatchreporter(runner.scala:2722)     @ org.scalatest.tools.runner$.runoptionallywithpassfailreporter(runner.scala:1043)     @ org.scalatest.tools.runner$.run(runner.scala:883)     @ org.scalatest.tools.runner.run(runner.scala)     @ org.jetbrains.plugins.scala.testingsupport.scalatest.scalatestrunner.runscalatest2(scalatestrunner.java:138)     @ org.jetbrains.plugins.scala.testingsupport.scalatest.scalatestrunner.main(scalatestrunner.java:28)     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:57)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     @ java.lang.reflect.method.invoke(method.java:606)     @ com.intellij.rt.execution.application.appmain.main(appmain.java:140)  [debug] [06/02/2015 11:48:08.269] [testsystem-akka.actor.default-dispatcher-5] [akka://testsystem/user/testrunnerexception] restarting [debug] [06/02/2015 11:48:08.272] [testsystem-akka.actor.default-dispatcher-5] [akka://testsystem/user/testrunnerexception] restarted  assertion failed: timeout (20 milliseconds) during expectmsg while waiting terminated java.lang.assertionerror: assertion failed: timeout (20 milliseconds) during expectmsg while waiting terminated     @ scala.predef$.assert(predef.scala:165)     @ akka.testkit.testkitbase$class.expectmsg_internal(testkit.scala:338)     @ akka.testkit.testkitbase$class.expectmsg(testkit.scala:324)     @ akka.testkit.testkit.expectmsg(testkit.scala:718)     @ com.learner.ahka.ruforever.runnerspec$$anonfun$1.apply$mcv$sp(runnerspec.scala:18)     @ com.learner.ahka.ruforever.runnerspec$$anonfun$1.apply(runnerspec.scala:13)     @ com.learner.ahka.ruforever.runnerspec$$anonfun$1.apply(runnerspec.scala:13)     @ org.scalatest.transformer$$anonfun$apply$1.apply$mcv$sp(transformer.scala:22)     @ org.scalatest.outcomeof$class.outcomeof(outcomeof.scala:85)     @ org.scalatest.outcomeof$.outcomeof(outcomeof.scala:104)     @ org.scalatest.transformer.apply(transformer.scala:22)     @ org.scalatest.transformer.apply(transformer.scala:20)     @ org.scalatest.wordspeclike$$anon$1.apply(wordspeclike.scala:953)     @ org.scalatest.suite$class.withfixture(suite.scala:1122)     @ com.learner.ahka.ruforever.runnerspec.withfixture(runnerspec.scala:9)     @ org.scalatest.wordspeclike$class.invokewithfixture$1(wordspeclike.scala:950)     @ org.scalatest.wordspeclike$$anonfun$runtest$1.apply(wordspeclike.scala:962)     @ org.scalatest.wordspeclike$$anonfun$runtest$1.apply(wordspeclike.scala:962)     @ org.scalatest.superengine.runtestimpl(engine.scala:306)     @ org.scalatest.wordspeclike$class.runtest(wordspeclike.scala:962)     @ com.learner.ahka.ruforever.runnerspec.runtest(runnerspec.scala:9)     @ org.scalatest.wordspeclike$$anonfun$runtests$1.apply(wordspeclike.scala:1021)     @ org.scalatest.wordspeclike$$anonfun$runtests$1.apply(wordspeclike.scala:1021)     @ org.scalatest.superengine$$anonfun$traversesubnodes$1$1.apply(engine.scala:413)     @ org.scalatest.superengine$$anonfun$traversesubnodes$1$1.apply(engine.scala:401)     @ scala.collection.immutable.list.foreach(list.scala:381)     @ org.scalatest.superengine.traversesubnodes$1(engine.scala:401)     @ org.scalatest.superengine.org$scalatest$superengine$$runtestsinbranch(engine.scala:396)     @ org.scalatest.superengine.runtestsimpl(engine.scala:483)     @ org.scalatest.wordspeclike$class.runtests(wordspeclike.scala:1021)     @ com.learner.ahka.ruforever.runnerspec.runtests(runnerspec.scala:9)     @ org.scalatest.suite$class.run(suite.scala:1424)     @ com.learner.ahka.ruforever.runnerspec.org$scalatest$wordspeclike$$super$run(runnerspec.scala:9)     @ org.scalatest.wordspeclike$$anonfun$run$1.apply(wordspeclike.scala:1067)     @ org.scalatest.wordspeclike$$anonfun$run$1.apply(wordspeclike.scala:1067)     @ org.scalatest.superengine.runimpl(engine.scala:545)     @ org.scalatest.wordspeclike$class.run(wordspeclike.scala:1067)     @ com.learner.ahka.ruforever.runnerspec.run(runnerspec.scala:9)     @ org.scalatest.tools.suiterunner.run(suiterunner.scala:55)     @ org.scalatest.tools.runner$$anonfun$dorunrunrundadorunrun$3.apply(runner.scala:2563)     @ org.scalatest.tools.runner$$anonfun$dorunrunrundadorunrun$3.apply(runner.scala:2557)     @ scala.collection.immutable.list.foreach(list.scala:381)     @ org.scalatest.tools.runner$.dorunrunrundadorunrun(runner.scala:2557)     @ org.scalatest.tools.runner$$anonfun$runoptionallywithpassfailreporter$2.apply(runner.scala:1044)     @ org.scalatest.tools.runner$$anonfun$runoptionallywithpassfailreporter$2.apply(runner.scala:1043)     @ org.scalatest.tools.runner$.withclassloaderanddispatchreporter(runner.scala:2722)     @ org.scalatest.tools.runner$.runoptionallywithpassfailreporter(runner.scala:1043)     @ org.scalatest.tools.runner$.run(runner.scala:883)     @ org.scalatest.tools.runner.run(runner.scala)     @ org.jetbrains.plugins.scala.testingsupport.scalatest.scalatestrunner.runscalatest2(scalatestrunner.java:138)     @ org.jetbrains.plugins.scala.testingsupport.scalatest.scalatestrunner.main(scalatestrunner.java:28)     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:57)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     @ java.lang.reflect.method.invoke(method.java:606)     @ com.intellij.rt.execution.application.appmain.main(appmain.java:140) 

based on comment @cmbaxter, digged little bit , solved problem. had override supervisionstrategy test not allow restart.
here test looks

class runnerspec extends testkit(actorsystem("testsystem")) flatspeclike mustmatchers implicitsender {   behavior of "a marathon runner"    must "must fail exception" in {     val supervisorref = testactorref[dummysupervisor]     val runnerref = testactorref(runner.props(new marathon), supervisorref, "runnerfail")     runnerref ! start     expectmsg("ok")     watch(runnerref)     expectterminated(runnerref, 10 millis)   } }  class dummysupervisor extends coach {   override def supervisorstrategy: supervisorstrategy = oneforonestrategy() {     case _: runtimeexception => stop   } }