Either 'name' or 'value' must be provided in @FeignClient 这个什么报错 启动order

Question

java.lang.IllegalStateException: Either ‘name’ or ‘value’ must be provided in @FeignClient
at org.springframework.cloud.netflix.feign.FeignClientsRegistrar.getClientName(FeignClientsRegistrar.java:367) ~[spring-cloud-netflix-core-2.0.0.M2.jar:2.0.0.M2]
at org.springframework.cloud.netflix.feign.FeignClientsRegistrar.registerFeignClients(FeignClientsRegistrar.java:163) ~[spring-cloud-netflix-core-2.0.0.M2.jar:2.0.0.M2]
at org.springframework.cloud.netflix.feign.FeignClientsRegistrar.registerBeanDefinitions(FeignClientsRegistrar.java:92) ~[spring-cloud-netflix-core-2.0.0.M2.jar:2.0.0.M2]
at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.lambda$loadBeanDefinitionsFromRegistrars$0(ConfigurationClassBeanDefinitionReader.java:360) ~[spring-context-5.0.0.RC3.jar:5.0.0.RC3]
at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) ~[na:1.8.0_192]
at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsFromRegistrars(ConfigurationClassBeanDefinitionReader.java:359) ~[spring-context-5.0.0.RC3.jar:5.0.0.RC3]
at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:144) ~[spring-context-5.0.0.RC3.jar:5.0.0.RC3]
at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:117) ~[spring-context-5.0.0.RC3.jar:5.0.0.RC3]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:328) ~[spring-context-5.0.0.RC3.jar:5.0.0.RC3]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:233) ~[spring-context-5.0.0.RC3.jar:5.0.0.RC3]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:271) ~[spring-context-5.0.0.RC3.jar:5.0.0.RC3]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:94) ~[spring-context-5.0.0.RC3.jar:5.0.0.RC3]
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:693) ~[spring-context-5.0.0.RC3.jar:5.0.0.RC3]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:531) ~[spring-context-5.0.0.RC3.jar:5.0.0.RC3]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:122) ~[spring-boot-2.0.0.M3.jar:2.0.0.M3]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750) [spring-boot-2.0.0.M3.jar:2.0.0.M3]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:386) [spring-boot-2.0.0.M3.jar:2.0.0.M3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:327) [spring-boot-2.0.0.M3.jar:2.0.0.M3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1245) [spring-boot-2.0.0.M3.jar:2.0.0.M3]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1233) [spring-boot-2.0.0.M3.jar:2.0.0.M3]
at com.springcloud.order.OrderApplication.main(OrderApplication.java:14) [classes/:na]

Answer 1

廖师兄 2019-09-01 23:46:58

 ‘name’ or ‘value’ must be provided in @FeignClient

翻译成中文，@FeignClient()里面必须要有name或者value

其实遇到这个问题，要解决非常简单。你运行我的课程源码，再仔细对比自己的代码，就能够看出错误了。

以后提问里发日志记得格式化。