Spring异常总结

1.  Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.ha.service.UserService] found for dependency [com.imut.service.IUserService]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}

　　问题：bean自动注入失败了，

　　解决办法：检查提示的类是否增加了@Service、@Component等注解，以及启动类或配置文件的扫描包路径，是否包含了这个类的路径。