Caused by: org.hibernate.HibernateException: identifier of an instance of com.xxx.model.system.xxxObject was altered from 1765 to 1766 at org.hibernate.event.def.DefaultFlushEntityEventListener.checkId(DefaultFlushEntityEventListener.java:85) at org.hibernate.event.def.DefaultFlushEntityEventListener.getValues(DefaultFlushEntityEventListener.java:190) at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:147) at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:219) at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1216) at org.springframework.orm.hibernate3.HibernateTemplate$28.doInHibernate(HibernateTemplate.java:884) at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:407) ... 119 more
原因:
对一个实体类进行循环保存, 每次都需要进行new一个对象, 具体暂未深入研究, 应该是和主键以及Hibernate的session等有关
解决方式:
每次添加对象都使用new创建对象
identifier of an instance of com.xxx.model.system.xxxObject was altered from 1765 to 1766
原文：https://www.cnblogs.com/jkfeng/p/12052470.html