a different object with the same identifier,同一个session中存在不同的对象问题
使用hibernate的函数
session.merge()函数,提交处于游离态的对象。
merge在执行更新之前会将两个标识符相同的对象进行合并,具体合并的方向是向exituser2合并。
a different object with the same identifier,同一个session中存在不同的对象问题的更多相关文章
- 解决a different object with the same identifier value was already associated with the session错误
[转]解决a different object with the same identifier value was already associated with the session错误 这个错 ...
- [转]解决a different object with the same identifier value was already associated with the session错误
1.a different object with the same identifier value was already associated with the session. 错误原因:在h ...
- a different object with the same identifier value was already associated with the session:错误;
当出现a different object with the same identifier value was already associated with thesession时,一般是因为在h ...
- 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 ...
- a different object with the same identifier value was already associat
问题:这个著名的托管态update更新异常 org.hibernate.NonUniqueObjectException: a different object with the same ident ...
- 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 w ...
- a different object with the same identifier value was already associated with the session:
hibernate操作: 实例化两个model类,更新时会提示 a different object with the same identifier value was already assoc ...
- a different object with the same identifier value was already associated with **(ssh异常转)
Hibernate:a different object with the same identifier value was already associated with ...异常解决 今天 ...
- a different object with the same identifier value was already associated withthe session异常解决方案
异常信息: org.hibernate.NonUniqueObjectException: a different object with the same identifier value was ...
随机推荐
- iOS 可延展视图(点击前显示部分文字,点击后显示全部)
#import <UIKit/UIKit.h> @interface AppDelegate : UIResponder <UIApplicat ...
- iOS 设置导航栏的颜色和导航栏上文字的颜色
#import <UIKit/UIKit.h> @interface AppDelegate : UIResponder <UIApplicationDelegate> @pr ...
- BeanUtils设置字段值失败问题
package org.apache.commons.beanutils; import static org.junit.Assert.*; import java.beans.BeanInfo; ...
- C#资源文件和C#枚举如何结合使用?
最近悟出来一个道理,在这儿分享给大家:学历代表你的过去,能力代表你的现在,学习代表你的将来.我们都知道计算机技术发展日新月异,速度惊人的快,你我稍不留神,就会被慢慢淘汰!因此:每日不间断的学习是避免被 ...
- Java基础之处理事件——使用适配器类(Sketcher 3 using an Adapter class)
控制台程序. 适配器类是指实现了监听器接口的类,但监听器接口中的方法没有内容,所以它们什么也不做.背后的思想是:允许从提供的适配器类派生自己的监听器类,之后再实现那些自己感兴趣的类.其他的空方法会从适 ...
- Python:使用pymssql批量插入csv文件到数据库测试
并行进程怎么使用? import os import sys import time def processFunc(i): time.sleep(10-i) print i if __name__= ...
- Greenplum:学习资料
Greenplum技术浅析:http://www.cnblogs.com/end/archive/2012/08/17/2644290.html Greenplum 数据库架构分析:http://ww ...
- poj 1475 || zoj 249 Pushing Boxes
http://poj.org/problem?id=1475 http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=249 Pushin ...
- fzu 2146 Easy Game
http://acm.fzu.edu.cn/problem.php?pid=2146 Problem 2146 Easy Game Accept: 661 Submit: 915Time Li ...
- [转]Web程序员必须知道的 Console 对象里的九个方法
一.显示信息的命令 01 1: <!DOCTYPE html> 02 2: <html> 03 3: <head> 04 4: <title&g ...