a different object with the same identifier value was already associated with the session:
該錯誤是,在一個hibernate的session中,有兩個對象(即內存地址不同),但id相同,致使,hibernate不知保存哪一個好導致的。
a different object with the same identifier value was already associated with the session:
該錯誤是,在一個hibernate的session中,有兩個對象(即內存地址不同),但id相同,致使,hibernate不知保存哪一個好導致的。