Hello,
I had a working demo of Akka remoting working in a Docker container. I ran
my server in Docker and was able to communicate with it from an external
program. My application.conf looked like this:
akka {
loglevel = "ERROR"
stdout-loglevel = "ERROR"
loggers = ["akka.event.slf4j.Slf4jLogger"]
actor {
provider = akka.remote.RemoteActorRefProvider
}
remote {
enabled-transports = ["akka.remote.netty.tcp"]
netty.tcp {
# Internal addr
bind-hostname = localhost # also tried 127.0.0.1
bind-port = 2551
# External Docker addr
hostname = "172.16.240.141"
port = 9100
}
}
}
Boxed up I run my container like this (to map ports)--the web port mapping
works fine:
docker run -it -p 9100:2551 -p 9101:8080 --name dexp localhost:5000/root
My client tries to connect to it like this:
val c = ConfigFactory parseString """akka {
actor {
provider = "akka.remote.RemoteActorRefProvider"
}
remote {
enabled-transports = ["akka.remote.netty.tcp"]
netty.tcp {
hostname = "localhost"
port = 5151
}
}
}"""
val sys = ActorSystem( "boom", c )
val actor = sys.actorSelection(
"akka.tcp://[email protected]:9100/user/dockerexp")
println("Actor: "+actor)
implicit val timo = Timeout(5.seconds)
try {
println( Await.result( (actor ? "hey").asInstanceOf[Future[String]], 15.
seconds) )
} finally {
println("Dying...")
Thread.sleep(5000)
sys.shutdown()
}
This isn't working anymore--just times out and dies. It did work several
months ago when 2.4-SNAPSHOT was first available. Am I doing something
wrong?
Thanks,
Greg
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