NonUniqueObjectException
代码和老师写的一样，出现了这个错误
Exception in thread "main" org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [entity.Student#0]
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代码和老师写的一样，出现了这个错误
Exception in thread "main" org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [entity.Student#0]
2017-08-05
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