<dubbo:application name="dubbo-provider-example" /> <dubbo:registry address="zookeeper://localhost:2181" /> <dubbo:protocol name="dubbo" port="20880" /> <bean id="userService" class="com.example.UserService" /> <dubbo:service interface="com.example.UserService" ref="userService" /> <dubbo:application name="dubbo-consumer-example" /> <dubbo:registry address="zookeeper://localhost:2181" /> <dubbo:reference id="userService" interface="com.example.UserService" /> <bean id="userServiceConsumer" class="com.example.UserServiceConsumer" />