一个权限登录，一直空指针

//登录
public List findByNameAndPwd(TEmp temp) {
    Object[] obj = {temp.getEName(),temp.getEPwd()};
    System.out.println("###################"+obj);
    return  this.getHibernateTemplate().find("from TEmp e inner join fetch e.Part inner join fetch e.TDept where e.EName=? and e.EPwd=?",obj);

}