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
- LUA闭包概念演示
闭包的一个重要场景,形成一个自治的环境, 让操作可以封闭运行, 即函数运行时有状态的,可以从闭包创建时候的环境独立开来. 例如下面的lua闭包, genFilter 其入参parmIn是 函数的内部变 ...
- svn合并
1.先去 aone里我的变更 里 重建 新分支 相当于重主干上拉代码下来2.然后再去 原来的分支里 swich切换到新分支3.在原来的分支里 merge 到新分支的url4.选择最早的 version ...
- 关于伪类元素:before和:after
关于伪类元素:before和:after CSS中存在一些比较特殊的属性,称之为伪类,它们之中最常用的就是定义链接的伪 :link:未被访问状态 :visited:已被访问状态 :hover:鼠标 ...
- linux_x86_64 blat安装
blatSrc35.zip下载地址:http://users.soe.ucsc.edu/~kent/src/ 对于下载好的源代码安装包blatSrc35.zip,需进行编译,安装过程如下: 1.用un ...
- java collections读书笔记（8)collection框架总览（1）
- win8， VS2013 .NET 4.5在哪找svcutil.exe？
我这个纠结呀,公司用win8, .NET 4.5.想做一个很简单的项目,就是wcf宿主iis,项目根目录下有aspx文件和svc文件.于是参考了一个博客http://www.cnblogs.com/y ...
- return 的用法 初探
#include<stdio.h> int imin(int ,int ); int main() { int evil1,evil2; ) //注意 第二个%d后面不能有空格,大概这就是 ...
- sql语句中的 inner join 、 left join 、 right join、 full join 的区别
简单明了地说,连接分内连接和外链接 假设有A和B两张表 内连接:inner join 表示把AB表的记录相符都显示出来,把AB表不符合条件的都排除 外连接分三种,即左连接(LEFT OUTER J ...
- paper 69：Haar-like矩形遍历检测窗口演示Matlab源代码[转载]
Haar-like矩形遍历检测窗口演示Matlab源代码 clc; clear; close all; % Haar-like特征矩形计算 board = 24 % 检测窗口宽度 num = 24 % ...
- ThinkPHP讲解（一）框架基础
ThinkPHP框架知识点过于杂乱,接下来将以问题的形势讲解tp(ThinkPHP的简写) 1.tp框架是什么,为什么使用是它? 一堆代码的集合,里边有变量.函数.类.常量,里边也有许多设计模式MVC ...