Could not Autowire field:private javax.servlet.http.HttpServletRequest

In writing unit test class, error, waste a lot of effort just to give debugging good, to share under.

The complete error is as follows:

caused by:org.springframework.beans.factory.BeanCreationException:Error creating bean with Name ' Buskjjlzjwyhpscontroller ': Injection of autowired dependencies failed; Nested exception is org.springframework.beans.factory.BeanCreationException:Could not Autowire field:private Javax.servlet.http.HttpServletRequest com.yunhwa.business.controller.buskjjlzjwyhpsController.request; Nested exception is Org.springframework.beans.factory.NoSuchBeanDefinitionException:No qualifying bean of type [ Javax.servlet.http.HttpServletRequest] found for dependency:expected at least 1 bean which qualifies as autowire candidat E for this dependency. Dependency annotations: {@org. springframework.beans.factory.annotation.Autowired (Required=true)}

Finally, add this annotation to perfectly solve

Could not Autowire field:private javax.servlet.http.HttpServletRequest