错误

2021-02-03 14:31:14.195 ERROR 14540 — [ restartedMain] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘userController’: Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘com.example.user9998.controller.clientInteface.ProductClient’: FactoryBean threw exception on object creation; nested exception is java.lang.IllegalStateException: No fallback instance of type class com.example.user9998.controller.fallback.ProductFallBack found for feign client product9997

错误描述

说我的注入依赖失败了，看到usercontroller，查看userController类中是否用到了注入类，发现注入的接口，其实现类没有加Service注解进行容器管理。