特徵:Caused by: org.hibernate.PersistentObjectException: detached entity passed to persist: com.xxx.Xxx
簡單地說,發生此異常即是一個遊離的對象要被持久化(save)時,其ID既要ORM框架爲它生成ID值,而此實體的ID卻已然有值
特徵:Caused by: org.hibernate.PersistentObjectException: detached entity passed to persist: com.xxx.Xxx
簡單地說,發生此異常即是一個遊離的對象要被持久化(save)時,其ID既要ORM框架爲它生成ID值,而此實體的ID卻已然有值