apache-skywalking-e2e org.apache.skywalking 1.0.0 4.0.0 e2e-protocol 1.14.0 1.5.0.Final 0.5.0 io.grpc grpc-protobuf ${grpc.version} io.grpc grpc-stub ${grpc.version} io.grpc grpc-netty ${grpc.version} kr.motd.maven os-maven-plugin ${os-maven-plugin.version} initialize detect org.xolstice.maven.plugins protobuf-maven-plugin ${protobuf-maven-plugin.version} com.google.protobuf:protoc:3.3.0:exe:${os.detected.classifier} grpc-java io.grpc:protoc-gen-grpc-java:1.8.0:exe:${os.detected.classifier} compile compile-custom