JPA错误搜集之Caused by: org.hibernate.PersistentObjectException: detached entity passed to persist: cn.it
2017-09-29 16:33
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错误:Caused by: org.hibernate.PersistentObjectException: detached entity passed to persist: cn.itsource.domain.ProductDir
![](https://img-blog.csdn.net/20170929163258144?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvQ2hlcnJ5TGl0dGxlQmFsbA==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
错误原因 我的主键在jpa实体类中的标签里已经设置好了,不能去设置了;
修改 去掉对主键的设置(测试类中注释了)
实体类
测试类
错误原因 我的主键在jpa实体类中的标签里已经设置好了,不能去设置了;
修改 去掉对主键的设置(测试类中注释了)
实体类
测试类
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