apm-collector org.skywalking 3.2-2017 4.0.0 apm-collector-server jar 9.4.2.v20170220 org.skywalking apm-network ${project.version} org.skywalking apm-collector-core ${project.version} org.eclipse.jetty jetty-server ${jetty.version} org.eclipse.jetty jetty-servlet ${jetty.version}