HQL 查询的问题

Question

在使用HQL Join查询时报错(org.hibernate.hql.ast.QuerySyntaxException: Path expected for join!).
请大家帮我看下Hibernate的映射文件有什么问题，
TStaff.xml<hibernate-mapping>
    <class name="com.hq.hibernate.TStaff" table="t_staff" schema="dbo" catalog="HQOTC">
         <many-to-one name="tdepartment" column="id"  class="com.hq.hibernate.TDepartment"  outer-join="true">
         </many-to-one>           
   </class>
</hibernate-mapping>TDepartment.xml<hibernate-mapping>
    <class name="com.hq.hibernate.TDepartment" table="t_Department" schema="dbo" catalog="HQOTC">
        <bag name="tstaff">
          <key column="ideptId"></key>
           <one-to-many class="com.hq.hibernate.TStaff"/>
        </bag>
    </class>
</hibernate-mapping>

Answer 1

 <bag name="tstaff">                                                     
          <key column="ideptId"> </key>                    
          <one-to-many class="com.hq.hibernate.TStaff"/> 
  </bag>
bag是什么啊？我记得应该是set吧
<set name="tstaff"> 
          <key column="ideptId"> </key> 
          <one-to-many class="com.hq.hibernate.TStaff"/> 
  </set>
还有关联的字段都应该是ideptId吧
<many-to-one name="tdepartment" column="ideptId"  class="com.hq.hibernate.TDepartment"  outer-join="true"> 
        </many-to-one> 还有就是tdepartment跟你的staff类里面的名称是否对应？看看这几个方面再试试！