org.hibernate.HibernateException: Duplicate identifier in table for: Waa
提示表的标识符重复,发现是数据库中的主键id重复了。因为是序列自动生成的。
我原本以为是因为我的序列的问题,序列.nextval()有问题,但是当我在数据库测试时,发现当前序列没有问题。但是当数据插入时,id的值却和数据库不一致。于是我打印了sql语句,发现插入时,select hibernate_sequence.nextval from dual是这个序列的值,而不是我自己定义的。这个是默认的序列
这是因为我们在配置hibernate配置文件时,没有指定序列名。
改为:
解决问题!
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