Merge pull request #903 from cityiron/feature/fix-go2java-args

[Fix] struct javaclassname 2 dubbo provider

protocol/dubbo/impl/hessian.go

@@ -489,6 +489,10 @@ func getArgType(v interface{}) string {
 		}
 		switch t.Kind() {
 		case reflect.Struct:
+			v, ok := v.(hessian.POJO)
+			if ok {
+				return v.JavaClassName()
+			}
 			return "java.lang.Object"
 		case reflect.Slice, reflect.Array:
 			if t.Elem().Kind() == reflect.Struct {