4.0.0 skywalking-collector-cluster skywalking-collector-worker skywalking com.a.eye 3.0-2017 skywalking-collector pom 2.4.17 com.typesafe.akka akka-cluster_2.11 ${akka.version} com.typesafe.akka akka-testkit_2.11 ${akka.version} test com.a.eye skywalking-logging-api ${project.version}