Join message to the first reachable seed node.Join request to the cluster leader.Seed nodes are defined in the application.conf file under the akka.cluster.seed-nodes setting.
akka {
actor.provider = cluster
remote.artery.canonical.hostname = "127.0.0.1"
remote.artery.canonical.port = 2551
cluster {
seed-nodes = [
"akka://ClusterSystem@127.0.0.1:2551",
"akka://ClusterSystem@127.0.0.1:2552"
]
}
}