HIbernate出现：HibernateException: identifier of an instance of com.ssh.domain.Departmentone was altere

错误如下：

org.springframework.orm.hibernate3.HibernateSystemException: identifier of an instance of com.ssh.domain.Departmentone was altered from 365 to 365; nested exception is org.hibernate.HibernateException: identifier of an instance of com.ssh.domain.Departmentone was altered from 365 to 365org.springframework.orm.hibernat