org.springframework.dao.InvalidDataAccessApiUsageException: object references an unsaved transient instance - save the transient instance before flushing: com.zs.entity.GuahaodanEntity; nested excepti

ssh里hibernate的 一对多多对一的问题  save时 一的一方还处于持久化状态时,多的一方这时候保存的话就会出现这个问题

必须先将一的一方先保存解除持久化状态,才可以再保存多的一方

注意保存顺序就好了

原文地址:https://www.cnblogs.com/King-Jin/p/10961305.html

时间: 2024-08-08 06:57:24

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