I am actually trying to integrate Kamon 0.4.0 with my play (2.3.8 - scala) application (Great framework by the way!).
Here is what I did:
Added the following dependencies in my build.sbt:
libraryDependencies ++= Seq( jdbc, anorm, "com.typesafe.play" %% "play-mailer" % "2.4.0", "org.bouncycastle" % "bcpkix-jdk15on" % "1.51", "org.bouncycastle" % "bcprov-jdk15on" % "1.51", "com.github.nscala-time" %% "nscala-time" % "1.8.0", "io.kamon" %% "kamon-core" % "0.4.0", "io.kamon" %% "kamon-play" % "0.4.0", "org.aspectj" % "aspectjweaver" % "1.8.6" )
Starting and shutting down Kamon in Global.scala
object Global extends GlobalSettings {
override def onStart(app: Application) { val hsmProxyName = Play.current.configuration.getString("ngocspd.hsm.proxy.name").get val supervisorName = Play.current.configuration.getString("ngocspd.ocspd.supervisor.name").get val notifierName = Play.current.configuration.getString("ngocspd.notification.name").get java.security.Security.addProvider(new BouncyCastleProvider) // Starting Kamon Kamon.start() Akka.system.actorOf(Props[NotificationActor], name = notifierName) Akka.system.actorOf(Props[HardwareSecurityModuleProxyActor], name = hsmProxyName) Akka.system.actorOf(Props[OCSPdActor], name = supervisorName) }
override def onStop(app: Application) { Kamon.shutdown() }
}
Starting activator with the path of the AspectJ agent:
activator -J-javaagent:/Users/pantin/.ivy2/cache/org.aspectj/aspectjweaver/jars/aspectjweaver-1.8.6.jar
I am encountering two problems.
When running the app, the following exceptions are thrown:
[error] o.a.w.b.BcelWorld - Unable to find class 'scala.concurrent.impl.Future.PromiseCompletingRunnable' in repository
java.lang.ClassNotFoundException: scala.concurrent.impl.Future.PromiseCompletingRunnable not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'scala.concurrent.impl.Future.PromiseCompletingRunnable' in repository
java.lang.ClassNotFoundException: scala.concurrent.impl.Future.PromiseCompletingRunnable not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'scala.concurrent.impl.Future.PromiseCompletingRunnable' in repository
java.lang.ClassNotFoundException: scala.concurrent.impl.Future.PromiseCompletingRunnable not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'scala.concurrent.impl.Future.PromiseCompletingRunnable' in repository
java.lang.ClassNotFoundException: scala.concurrent.impl.Future.PromiseCompletingRunnable not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'scala.concurrent.impl.Future.PromiseCompletingRunnable' in repository
java.lang.ClassNotFoundException: scala.concurrent.impl.Future.PromiseCompletingRunnable not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'scala.concurrent.impl.Future.PromiseCompletingRunnable' in repository
java.lang.ClassNotFoundException: scala.concurrent.impl.Future.PromiseCompletingRunnable not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.event.Logging.LogEvent' in repository
java.lang.ClassNotFoundException: akka.event.Logging.LogEvent not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.event.Logging.LogEvent' in repository
java.lang.ClassNotFoundException: akka.event.Logging.LogEvent not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.event.Logging.LogEvent' in repository
java.lang.ClassNotFoundException: akka.event.Logging.LogEvent not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.event.Logging.LogEvent' in repository
java.lang.ClassNotFoundException: akka.event.Logging.LogEvent not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.dispatch.Dispatcher.LazyExecutorServiceDelegate' in repository
java.lang.ClassNotFoundException: akka.dispatch.Dispatcher.LazyExecutorServiceDelegate not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.dispatch.Dispatcher.LazyExecutorServiceDelegate' in repository
java.lang.ClassNotFoundException: akka.dispatch.Dispatcher.LazyExecutorServiceDelegate not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.dispatch.Dispatcher.LazyExecutorServiceDelegate' in repository
java.lang.ClassNotFoundException: akka.dispatch.Dispatcher.LazyExecutorServiceDelegate not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.dispatch.Dispatcher.LazyExecutorServiceDelegate' in repository
java.lang.ClassNotFoundException: akka.dispatch.Dispatcher.LazyExecutorServiceDelegate not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.dispatch.Dispatcher.LazyExecutorServiceDelegate' in repository
java.lang.ClassNotFoundException: akka.dispatch.Dispatcher.LazyExecutorServiceDelegate not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.dispatch.Dispatcher.LazyExecutorServiceDelegate' in repository
java.lang.ClassNotFoundException: akka.dispatch.Dispatcher.LazyExecutorServiceDelegate not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.dispatch.Dispatcher.LazyExecutorServiceDelegate' in repository
java.lang.ClassNotFoundException: akka.dispatch.Dispatcher.LazyExecutorServiceDelegate not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
[error] o.a.w.b.BcelWorld - Unable to find class 'akka.dispatch.Dispatcher.LazyExecutorServiceDelegate' in repository
java.lang.ClassNotFoundException: akka.dispatch.Dispatcher.LazyExecutorServiceDelegate not found - unable to determine URL
at org.aspectj.apache.bcel.util.ClassLoaderRepository.loadClass(ClassLoaderRepository.java:292) ~[aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.lookupJavaClass(BcelWorld.java:418) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.bcel.BcelWorld.resolveDelegate(BcelWorld.java:392) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.ltw.LTWWorld.resolveDelegate(LTWWorld.java:107) [aspectjweaver-1.8.6.jar:1.8.6]
at org.aspectj.weaver.World.resolveToReferenceType(World.java:477) [aspectjweaver-1.8.6.jar:1.8.6]
Is there a way to get rid of these exceptions?
And then, the application crashes with the following stacktrace:
play.api.UnexpectedException: Unexpected exception[ConfigurationException: Could not start logger due to [akka.ConfigurationException: Logger specified in config can't be loaded [akka.event.Logging$DefaultLogger] due to [java.lang.RuntimeException: Cannot retrieve extensions while Kamon is being initialized.]]]
at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1$$anonfun$1.apply(ApplicationProvider.scala:166) ~[play_2.11-2.3.8.jar:2.3.8]
at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1$$anonfun$1.apply(ApplicationProvider.scala:130) ~[play_2.11-2.3.8.jar:2.3.8]
at scala.Option.map(Option.scala:146) ~[scala-library-2.11.6.jar:na]
at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1.apply(ApplicationProvider.scala:130) ~[play_2.11-2.3.8.jar:2.3.8]
at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1.apply(ApplicationProvider.scala:128) ~[play_2.11-2.3.8.jar:2.3.8]
Caused by: akka.ConfigurationException: Could not start logger due to [akka.ConfigurationException: Logger specified in config can't be loaded [akka.event.Logging$DefaultLogger] due to [java.lang.RuntimeException: Cannot retrieve extensions while Kamon is being initialized.]]
at akka.event.LoggingBus$class.startDefaultLoggers(Logging.scala:144) ~[akka-actor_2.11-2.3.9.jar:na]
at akka.event.EventStream.startDefaultLoggers(EventStream.scala:26) ~[akka-actor_2.11-2.3.9.jar:na]
at akka.actor.LocalActorRefProvider.init(ActorRefProvider.scala:622) ~[akka-actor_2.11-2.3.9.jar:na]
at akka.actor.ActorSystemImpl.liftedTree2$1(ActorSystem.scala:619) ~[akka-actor_2.11-2.3.9.jar:na]
at akka.actor.ActorSystemImpl._start$lzycompute(ActorSystem.scala:616) ~[akka-actor_2.11-2.3.9.jar:na]
I looked around on stackoverflow and Google, but did not find any solution to my problem.
If someone would be kind enough to help, I would greatly appreciate!
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Thanks a lot for your help.
After trying to run the project in production mode, everything seems to be working fine.
My problem in dev mode seems to be related to the fact that sbt keeps reloading all the times, ending up in the error I provided in my previous post.
I upgraded to sbt 0.13.8 and play 2.3.9, but the reloading behaviour persists.
Do you have any idea why play would reload all the time in dev mode?
Kind Regards,
JJ