a different object with the same identifier value was already associated with the session
2009-02-26 11:12
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a different object with the same identifier value was already associated with the session
错误原因：在hibernate中同一个session里面有了两个相同标识但是是不同实体。
hibernate session 中不允许有两个对象对应一条记录:既两个对象的id一样;
解决:清除session中的一个对象; 或者禁止生成两个一模一样的对象,只对原来的对象进行修改更新既可,不要查出一个对象,然后又new一个空对象,把查出的对象属性全部copy到 new的那个对象中;此时就冲突了;
有兄弟写的更详:http://yiwong.spaces.live.com/blog/cns!B3DDA7D31C386430!1233.entry
错误原因：在hibernate中同一个session里面有了两个相同标识但是是不同实体。
hibernate session 中不允许有两个对象对应一条记录:既两个对象的id一样;
解决:清除session中的一个对象; 或者禁止生成两个一模一样的对象,只对原来的对象进行修改更新既可,不要查出一个对象,然后又new一个空对象,把查出的对象属性全部copy到 new的那个对象中;此时就冲突了;
有兄弟写的更详:http://yiwong.spaces.live.com/blog/cns!B3DDA7D31C386430!1233.entry
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