错误解释detached entity passed to persist
来源：互联网 发布：excel多列重复数据筛选 编辑：程序博客网 时间：2024/05/16 01:58
特征：Caused by: org.hibernate.PersistentObjectException: detached entity passed to persist: com.xxx.Xxx
简单地说，发生此异常即是一个游离的对象要被持久化(save)时，其ID既要ORM框架为它生成ID值，而此实体的ID却已然有值
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