org.hibernate.TransientObjectException: object references an unsaved transient instance
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首先看了一下cascade,有些文章说要设置成:cascade="save-update,persist"。发现设置正常,不是这个的问题,问题是user是临时的,但是查了数据库,发现user是存在的,后来查了一遍代码,发现在删除的时候用了Category category=new Category() ;
category。setId(new Long(1));
this.hibernateTemplate.delete(category);
这样的情况下,加载的user为null,导致抛出上述异常
- org.hibernate.TransientObjectException: object references an unsaved transient instance
- org.hibernate.TransientObjectException: object references an unsaved transient instance
- org.hibernate.TransientObjectException: object references an unsaved transient instance
- org.hibernate.TransientObjectException: object references an unsaved transient instance
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