eclipse启动服务时报错求解？？？？？？？？

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'empService1' defined in class path resource [applicationContext.xml]: Cannot resolve reference to bean 'empDao1' while setting bean property 'empDao1'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'empDao1' defined in class path resource [applicationContext.xml]: Cannot resolve reference to bean 'sesstionFactory' while setting bean property 'sesstionFactory'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'sesstionFactory' is defined