I am trying to use akka -remoting version 2.5.4 with latest sbt 1.0.2
When I use sbt version 0.13.15 or 0.13.16 it is working very well.
But when I'm using sbt verion 1.0.2 as here, I'm getting below error.
The Below exception is runtime exception.
[error] (run-main-0) java.lang.ClassNotFoundException: scala.Int
[error] java.lang.ClassNotFoundException: scala.Int
[error] at sbt.internal.inc.classpath.ClasspathFilter.loadClass(ClassLoaders.scala:74)
[error] at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
[error] at java.lang.Class.forName0(Native Method)
[error] at java.lang.Class.forName(Class.java:348)
[error] at akka.actor.ReflectiveDynamicAccess.$anonfun$getClassFor$1(ReflectiveDynamicAccess.scala:21)
[error] at scala.util.Try$.apply(Try.scala:209)
[error] at akka.actor.ReflectiveDynamicAccess.getClassFor(ReflectiveDynamicAccess.scala:20)
[error] at akka.serialization.Serialization.$anonfun$bindings$3(Serialization.scala:313)
[error] at scala.collection.TraversableLike$WithFilter.$anonfun$map$2(TraversableLike.scala:739)
[error] at scala.collection.immutable.HashMap$HashMap1.foreach(HashMap.scala:231)
[error] at scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:462)
[error] at scala.collection.TraversableLike$WithFilter.map(TraversableLike.scala:738)
[error] at akka.serialization.Serialization.<init>(Serialization.scala:311)
[error] at akka.serialization.SerializationExtension$.createExtension(SerializationExtension.scala:15)
[error] at akka.serialization.SerializationExtension$.createExtension(SerializationExtension.scala:12)
[error] at akka.actor.ActorSystemImpl.registerExtension(ActorSystem.scala:880)
[error] at akka.actor.ExtensionId.apply(Extension.scala:77)
[error] at akka.actor.ExtensionId.apply$(Extension.scala:77)
[error] at akka.serialization.SerializationExtension$.apply(SerializationExtension.scala:12)
[error] at akka.remote.RemoteActorRefProvider.init(RemoteActorRefProvider.scala:203)
[error] at akka.actor.ActorSystemImpl.liftedTree2$1(ActorSystem.scala:796)
[error] at akka.actor.ActorSystemImpl._start$lzycompute(ActorSystem.scala:793)
[error] at akka.actor.ActorSystemImpl._start(ActorSystem.scala:793)
[error] at akka.actor.ActorSystemImpl.start(ActorSystem.scala:809)
[error] at akka.actor.ActorSystem$.apply(ActorSystem.scala:244)
[error] at akka.actor.ActorSystem$.apply(ActorSystem.scala:287)
[error] at akka.actor.ActorSystem$.apply(ActorSystem.scala:262)
[error] at module09.remoteB.RemoteBStartup$.main(RemoteBStartup.scala:8)
[error] at module09.remoteB.RemoteBStartup.main(RemoteBStartup.scala)
[error] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[error] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[error] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[error] at java.lang.reflect.Method.invoke(Method.java:498)
[error] at sbt.Run.invokeMain(Run.scala:89)
[error] at sbt.Run.run0(Run.scala:83)
[error] at sbt.Run.execute$1(Run.scala:61)
[error] at sbt.Run.$anonfun$run$4(Run.scala:73)
[error] at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
[error] at sbt.util.InterfaceUtil$$anon$1.get(InterfaceUtil.scala:10)
[error] at sbt.TrapExit$App.run(TrapExit.scala:252)
[error] at java.lang.Thread.run(Thread.java:748)
The github location is here
To me, this looks like the error is because of ConfigFactory.load as in here is having some issues due to sbt latest version.
This was a bug in sbt, so I filed it as such and it has been fixed in sbt version 1.1.0.
(If this would have turned out out to be hard to resolve, we might have considered to implement a workaround in Akka, but this turned out not to be needed)