akka.actor.provider = akka.remote.RemoteActorRefProvider
akka.actor.allow-java-serialization = on
akka.remote.artery.enabled = on
akka.remote.artery.canonical.hostname = 127.0.0.1
akka.remote.artery.canonical.port = 8888

val conf = ConfigFactory.parseString(confStr)
val serverActorSystem = ActorSystem("serverActorSystem", conf)
serverActorSystem.actorOf(Props[ServerActor], "serverActor")

akka.remote.artery.enabled off 
使用netty 

ArteryTransport


注意开启 Java 序列化 
akka.actor.allow-java-serialization = on

    
[WARN] [akka.remote.RemoteActorRefProvider] [serverActorSystem-akka.actor.default-dispatcher-5] [akka.remote.RemoteActorRefProvider] - Using the 'remote' ActorRefProvider directly, which is a low-level layer. For most use cases, the 'cluster' abstraction on top of remoting is more suitable instead.
[WARN] [akka.remote.RemoteActorRefProvider] [serverActorSystem-akka.actor.default-dispatcher-5] [akka.remote.RemoteActorRefProvider] - Akka Cluster not in use - Using Akka Cluster is recommended if you need remote watch and deploy.
[INFO] [akka.remote.artery.ArteryTransport] [serverActorSystem-akka.actor.default-dispatcher-5] [ArteryTransport(akka://serverActorSystem)] - Remoting started with transport [Artery tcp]; listening on address [akka://serverActorSystem@127.0.0.1:8888] with UID [1098002602925710486]
[WARN] [akka.serialization.Serialization(akka://serverActorSystem)] [serverActorSystem-akka.actor.default-dispatcher-11] [akka.serialization.Serialization(akka://serverActorSystem)] - Using the Java serializer for class [com.example.dyyx.remote.Response] which is not recommended because of performance implications. 
Use another serializer or disable this warning using the setting 'akka.actor.warn-about-java-serializer-usage'

Using the 'remote' ActorRefProvider directly, which is a low-level layer. 
For most use cases, the 'cluster' abstraction on top of remoting is more suitable instead.

Akka Cluster not in use - Using Akka Cluster is recommended if you need remote watch and deploy.

remote 低层次的api ,大多数场景 推荐使用 cluster

[ArteryTransport(akka://serverActorSystem)] - Remoting started with transport [Artery tcp]
listening on address [akka://serverActorSystem@127.0.0.1:8888] with UID [1098002602925710486]
 
akka://serverActorSystem@127.0.0.1:8888


Using the Java serializer for class [com.example.dyyx.remote.Response] which is not recommended because of performance implications. 
Use another serializer or disable this warning using the setting 'akka.actor.warn-about-java-serializer-usage'

java 序列化不推荐使用



客户端

akka.actor.provider = akka.remote.RemoteActorRefProvider
akka.actor.allow-java-serialization=on

akka://serverActorSystem@127.0.0.1:8888/user/serverActor


val conf = ConfigFactory.parseString(confStr)
val clientActorSystem = ActorSystem("clientActorSystem", conf)
val clientActor = clientActorSystem.actorOf(Props[ClientActor], "clientActor")
clientActor ! Request("hello")
 
 
class ClientActor extends Actor {
  val url = "akka://serverActorSystem@127.0.0.1:8888/user/serverActor"
  // 
  val remoteActor = context.actorSelection(url)
  println("remoteActor=" + remoteActor)

  def receive: Receive = {
    case request: Request =>
      println("request=" + request)
      remoteActor ! request
    case response: Response =>
      println("response=" + response)
    case _ => println("error msg")
  }
}

[INFO] [akka.remote.artery.ArteryTransport] [clientActorSystem-akka.actor.default-dispatcher-4] [ArteryTransport(akka://clientActorSystem)] - Remoting started with transport [Artery tcp]; listening on address [akka://clientActorSystem@192.168.1.101:25520] with UID [3357566597050948290]

[ArteryTransport(akka://clientActorSystem)] - Remoting started with transport [Artery tcp]; 
listening on address [akka://clientActorSystem@192.168.1.101:25520] with UID [3357566597050948290]
默认端口 25520
客户端如何 不暴露远程端口 ？


remoteActor=ActorSelection[Anchor(akka://serverActorSystem@127.0.0.1:8888/), Path(/user/serverActor)]



完整代码
https://gitee.com/dyyx/hellocode/tree/master/demo/scala/akka/akka-quickstart-scala-maven/src/main/java/com/example/dyyx/remote