skywalking-collector com.a.eye 3.0-2017 4.0.0 skywalking-collector-worker jar 9.4.2.v20170220 com.a.eye skywalking-collector-cluster ${project.version} com.a.eye skywalking-collector-commons ${project.version} org.eclipse.jetty jetty-server ${jetty.version} org.eclipse.jetty jetty-servlet ${jetty.version} org.elasticsearch.client transport 5.2.2 com.a.eye skywalking-sniffer-mock ${project.version} test org.jetbrains annotations RELEASE