java ssm框架的问题

Question

WARN support.XmlWebApplicationContext - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException:

Error creating bean with name 'loginServiceImpl': Unsatisfied dependency expressed through field 'adminDao': No qualifying bean of type [com.dabay.service.web.manager.Dao.AdminDao] found for dependency [com.dabay.service.web.manager.Dao.AdminDao]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.dabay.service.web.manager.Dao.AdminDao] found for dependency [com.dabay.service.web.manager.Dao.AdminDao]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
ERROR context.ContextLoader - Context initialization failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'loginServiceImpl': Unsatisfied dependency expressed through field 'adminDao': No qualifying bean of type [com.dabay.service.web.manager.Dao.AdminDao] found for dependency [com.dabay.service.web.manager.Dao.AdminDao]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.dabay.service.web.manager.Dao.AdminDao] found for dependency [com.dabay.service.web.manager.Dao.AdminDao]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}

Answer 1

1.这个adminDao如果没配置的话，需要进行配置，id不要重复了
2.adminDao如果已经配置，建议使用@Qualifier("adminDao")进行标注说明你到底要使用哪个dao
3.建议对dao层进行自动注入配置

希望对你有所帮助,不对的地方请见谅