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org.hibernate.HibernateException

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org.hibernate.HibernateException: identifier of an instance of com.** was altered from 20150314000002 to 20150318000001

描述:循环插入数据库时出现此异常
原因:hibernate缓存中的id改变,而数据库中此id为主键不允许修改,试图修改数据库中的主键造成的
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