错误信息：
org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'departmentDao':Injection of resource fields failed; nested exception is org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'hibernateTemplate' defined in class path resource [spring/applicationContext-db.xml]: Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is
org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'sessionFactory' defined in class path resource [spring/applicationContext-db.xml]: Invocation of init method failed; nested exception is org.hibernate.MappingException:Association references unmapped class: domain.User
不要只看到第一个Error creating bean with name 'departmentDao':就认为是spring的xml配置的问题，其实最重要的是最后一句Association references unmapped class: domain.User。这里的问题是你的userbean的hibernate的配置问题，可能是你的配置文件里跟数据库中的字段不一样，，或者多对多、多对一的问题，都有可能。