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Dubbo client 启动报错:No provider available for the service use dubbo version 2.5.3

2017-09-29 22:07 936 查看

1.异常

java.lang.IllegalStateException:
Failed to check the status of the service org.ko.server.service.UserService. No provider available for the service org.ko.server.service.UserService:1.0.2 from the url zookeeper://127.0.0.1:2181/com.alibaba.dubbo.registry.RegistryService?application=consumer&dubbo=2.5.3&interface=org.ko.server.service.UserService&methods=getUserById&pid=9120&revision=1.0.2&side=consumer×tamp=1506693413628&version=1.0.2 to the consumer 192.168.56.1 use dubbo version 2.5.3
at com.alibaba.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:420) ~[dubbo-2.5.3.jar:2.5.3]
at com.alibaba.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:300) ~[dubbo-2.5.3.jar:2.5.3]
at com.alibaba.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:138) ~[dubbo-2.5.3.jar:2.5.3]
at com.alibaba.dubbo.config.spring.AnnotationBean.refer(AnnotationBean.java:302) ~[dubbo-2.5.3.jar:2.5.3]
at com.alibaba.dubbo.config.spring.AnnotationBean.postProcessBeforeInitialization(AnnotationBean.java:233) ~[dubbo-2.5.3.jar:2.5.3]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:409) [spring-beans-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1620) [spring-beans-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) [spring-beans-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) [spring-beans-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) [spring-beans-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) [spring-beans-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) [spring-beans-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) [spring-beans-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761) [spring-beans-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866) [spring-context-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542) [spring-context-4.3.6.RELEASE.jar:4.3.6.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) [spring-boot-1.5.1.RELEASE.jar:1.5.1.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737) [spring-boot-1.5.1.RELEASE.jar:1.5.1.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370) [spring-boot-1.5.1.RELEASE.jar:1.5.1.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:314) [spring-boot-1.5.1.RELEASE.jar:1.5.1.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1162) [spring-boot-1.5.1.RELEASE.jar:1.5.1.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1151) [spring-boot-1.5.1.RELEASE.jar:1.5.1.RELEASE]
at org.ko.server.KOClientApplication.main(KOClientApplication.java:21) [classes/:na]


2.错误原因:

1.服务端和客户端的service的version要保持一致


//客户端
@Reference(version = "1.0.0") private UserService userService;
//服务端
@Service(version = "1.0.0") public class UserServiceImpl implements UserService


2.服务端和客户端的类名称保持一致


//客户端
org.ko.server.service.UserService
//服务端
org.ko.server.service.UserService


dubbo这里使用接口全名称在zookeeper匹配,注意否则匹配不到服务。
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标签:  dubbo 异常
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