diff --git a/java_interop/service_discovery/service/java-server/src/main/resources/application.yml b/java_interop/service_discovery/service/java-server/src/main/resources/application.yml
index 184838f4..4a02a6c8 100644
--- a/java_interop/service_discovery/service/java-server/src/main/resources/application.yml
+++ b/java_interop/service_discovery/service/java-server/src/main/resources/application.yml
@@ -18,6 +18,7 @@ dubbo:
   application:
     name: greet-java-server
     logger: slf4j
+    metadataServiceProtocol: dubbo # required, dubbo-go not support tri
   protocol:
     name: tri
     port: 20055