刚使用spring cloud 的feign出现个问题，明明都是按照网上的用列写的但是还是出错了，下面是异常信息：
java.lang.IllegalArgumentException: Either name or value can be specified, but not both
at org.springframework.util.Assert.isTrue(Assert.java:92) ~[spring-core-4.3.13.RELEASE.jar:4.3.13.RELEASE]
at org.springframework.cloud.netflix.feign.FeignClientsRegistrar.validate(FeignClientsRegistrar.java:193) ~[spring-cloud-netflix-core-1.1.1.RELEASE.jar:1.1.1.RELEASE]
at org.springframework.cloud.netflix.feign.FeignClientsRegistrar.registerFeignClient(FeignClientsRegistrar.java:173) ~[spring-cloud-netflix-core-1.1.1.RELEASE.jar:1.1.1.RELEASE]
at org.springframework.cloud.netflix.feign.FeignClientsRegistrar.registerFeignClients(FeignClientsRegistrar.java:162) ~[spring-cloud-netflix-core-1.1.1.RELEASE.jar:1.1.1.RELEASE]
at org.springframework.cloud.netflix.feign.FeignClientsRegistrar.registerBeanDefinitions(FeignClientsRegistrar.java:87) ~[spring-cloud-netflix-core-1.1.1.RELEASE.jar:1.1.1.RELEASE]
at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsFromRegistrars(ConfigurationClassBeanDefinitionReader.java:359) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:143) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:116) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:320) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:228) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:272) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:92) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:687) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:525) ~[spring-context-4.3.13.RELEASE.jar:4.3.13.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693) [spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360) [spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) [spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1118) [spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1107) [spring-boot-1.5.9.RELEASE.jar:1.5.9.RELEASE]
at com.example.qosmonitor.QosMonitorApplication.main(QosMonitorApplication.java:18) [classes/:na]feign调用的地方：
@FeignClient("qos-sms")
public interface SendSms {
@RequestMapping(method = RequestMethod.GET, value = "/qosweb/sendSms")
Integer sendSms(@RequestParam(value = "code") String code, @RequestParam(value = "template") String template);
}解决办法：
在原有的@FeignClient("qos-sms") 加上serviceId，变成@FeignClient(serviceId = "qos-sms") 就能成功运行-.-
刚学习很多不理解,有问题希望多多指点