skywalking-commons com.a.eye 3.0.2-2017 4.0.0 skywalking-trace com.a.eye skywalking-util ${project.version} kr.motd.maven os-maven-plugin 1.5.0.Final org.xolstice.maven.plugins protobuf-maven-plugin 0.5.0 com.google.protobuf:protoc:3.0.0:exe:${os.detected.classifier} grpc-java io.grpc:protoc-gen-grpc-java:1.0.2:exe:${os.detected.classifier} compile compile-custom