dubbo Failed to check the status of the service com.user.service.UserService. No provider available for the service

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userService': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalStateException: Failed to check the status of the service com.user.service.UserService. No provider available for the service com.user.service.UserService from the url zookeeper://localhost:2181/com.alibaba.dubbo.registry.RegistryService?application=userservice&dubbo=2.5.3&interface=com.user.service.UserService&methods=add&pid=39796&protocol=dubbo&side=consumer&timeout=15000&timestamp=1515132772468 to the consumer 10.100.130.245 use dubbo version 2.5.3

服务提供方：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://code.alibabatech.com/schema/dubbo
    http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
    <!--服务提供方服务信息-->
    <dubbo:application name="userclient"/>

    <!--注册中心服务地址-->
    <dubbo:registry />
</beans>


消费者

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
       http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <dubbo:application name="userservice"/>

    <dubbo:registry ,解决。

<dubbo:reference version="1.0" />