Hibernate 筆記

 1 failed to lazily initialize a collection of role: com.gmako.entity.UserInfo.extendsUserInfos, no session or session was closed

這是懶加載異常 配置文件設置lazy爲false

<set name="sysuser"" inverse="true" lazy-="false">

<key>

<column nam"xxid"/>//主鍵ID

</key>

<one-many class="pojo.sysuser">

</set>

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多對多關係配置

private Set<SysRight>sysRight=new HashSet(0);

//table 是數據庫中存有兩者關係的表名

<set name="sysRight" table="sys_role_right" lazy="false" inverse="true">

<key>

//自己表在連接表中的列名

<column name="roles_id">

</key>              //對方表在連接表中的列名

<many-to-many column="right_id" class="pojo.SysRight"></many-to-many>

</set>