SSM框架，使用getBean可以成功获取，但是使用AutoWired注解出现错误

错误如下：

Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException:
 Error creating bean with name 'userController': Unsatisfied dependency expressed through field 'userService';
 nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: 
 No qualifying bean of type 'com.boron.service.UserService' available: expected at least 1 bean which qualifies as autowire candidate. 
Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}

原因如下：

    

   
    org.springframework.web.context.ContextLoaderListener