【hibernate 异常a different object with the same identifier value was already associated with the session】的更多相关文章

hibernate 异常a different object with the same identifier value was already associated with the session

在使用hibernate的时候发现了一个问题,记录一下解决方案. 前提开启了事务和事务间并无commit,进行两次save,第二次的时候爆出下面的异常a different object with the same identifier value was already associated with the session 翻译一下session中已经存在了拥有该标识的对象,不能新建另外一个了. 这里的identifier(标识)指的就是表的主键,而后发现主键是自增的,但是并没有在Entit…

org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session异常解决办法

org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session异常解决办法 为什么还会说已经存在相同的session了呢.然后每次将项目重启后第一次编辑的时候问题不会触发,只有当第二次操作的时候才会出现这个问题. 解决办法:关闭session.好好检查操作完成后有没有关闭会话.…

Exception 06 : org.hibernate.NonUniqueObjectException: A different object with the same identifier value was already associated with the session :

异常名称: org.hibernate.NonUniqueObjectException: A different object with the same identifier value was already associated with the session : [cn.itsource.hibernate.day01.User#1] 异常截图: 异常详细: org.hibernate.NonUniqueObjectException: A different object with…

org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session:

保存实体异常 https://blog.csdn.net/zzzz3621/article/details/9776539 org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [com.ppms.entity.AcctBalEntity#0000000000P] at org.hibern…

Hibernate Error: a different object with the same identifier value was already associated with the session

在执行Hibernate的Update操作时,报错:a different object with the same identifier value was already associated with the session. 原因:在hibernate中同一个session里面有了两个相同标识但是是不同实体.通常来说,使用session的merge(object)便可以解决. 但也有其他令几种方式供参考: 1.a different object with the same identi…

rg.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session:

原先跑TEST CASE的时候没有出错 但是跑到整个程序里面,除了这个问题, 网上也找了下资料,说是用merge之类的可以解决,因为你这个update的obj和session里面的不用,所以导致此问题. 突然石化~~~想到session~~~想到TESTcase的时候没有用事物aop所以每个方法都是一个事物,所以当然没问题,而大程序里面用了事物,更新的是取出来的obj但是又多此一举的beanutils的copy了一下,导致不是一个obj了,但是session里面又有这个obj的id,故此问题发生…

hibernate中一种导致a different object with the same identifier value was already associated with the session错误方式及解决方法

先将自己出现错误的全部代码都贴出来: hibernate.cfg.xml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://www.hibernate.org/dtd/hibernate-con…

org.hibernate.NonUniqueObjectException: a different object with the same identifier value was alread---------程序报错

今天遇到了这个问题: org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session:-- 找其原因是因为同一个object,如一个person在seession里保存了一份,而增加的别的object,如company的时候,由于做了关联关系,从数据库里又get了一个person,而这个person和s…

Hibernate更新数据报错:a different object with the same identifier value was already associated with the session: [com.elec.domain.ElecCommonMsg#297e35035c28c368015c28c3e6780001]

使用hibernate更新数据时,报错 Struts has detected an unhandled exception: Messages: a different object with the same identifier value was already associated with the session: [com.elec.domain.ElecCommonMsg#297e35035c28c368015c28c3e6780001] a different object w…

a different object with the same identifier value was already associated with the session解决方案

org.springframework.orm.hibernate3.HibernateSystemException: a different ]; nested exception ] at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:) at org.springframework.orm.hibernate3.…