11，Feign报错'xx.FeignClientSpecification', defined in null, could not be registered.

2023年3月27日 1,215次阅读 来源: 滔滔逐浪

错误描述：
版本使用的是SpringBoot: 2.1.0.RELEASE，SpringCloud: Greenwich.M1，OpenFeign: 2.1.0.M2
报错：

The bean 'xxxx.FeignClientSpecification', defined in null, could not be registered. 
A bean with that name has already been defined in null and overriding is disabled.

Caused by: org.springframework.beans.factory.support.BeanDefinitionOverrideException: 
Invalid bean definition with name xxxx.FeignClientSpecification' defined in null: 
Cannot register bean definition [Generic bean: class [org.springframework.cloud.openfeign.FeignClientSpecification]; scope=; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null] for bean 'xxxx.FeignClientSpecification': There is already [Generic bean: class [org.springframework.cloud.openfeign.FeignClientSpecification]; scope=; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=null; factoryMethodName=null; initMethodName=null; destroyMethodName=null] bound.

解决：
多个接口上的@FeignClient(“相同服务名”)会报错，overriding is disabled。

在application.yml中配置：

spring:
  main:
    allow-bean-definition-overriding: true
    原文作者：滔滔逐浪
    原文地址: https://www.jianshu.com/p/16a526379e8f
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