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

  1. 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 ...

  2. [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 ...

  3. 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 ...

  4. 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 ...

  5. 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 ...

  6. 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 ...

  7. 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 ...

  8. 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 ...

  9. 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

  1. Mysql note

    from w3cschool.com 1,modify the segment of table alter table table_name add/drop var_name [var_type] ...

  2. c# 工具

    虚拟机 http://sandcastle.codeplex.com/ 读取excel等的一个工具 http://npoi.codeplex.com/releases/view/115353 host ...

  3. 实验一 操作系统模仿cmd

    实验一.命令解释程序的编写 专业:商软(2)班   姓名:王俊杰  学号:201406114252 一.        实验目的 (1)掌握命令解释程序的原理: (2)掌握简单的DOS调用方法: (3 ...

  4. 《zw版·delphi与halcon系列原创教程》zw版_THImagex控件函数列表

    <zw版·delphi与halcon系列原创教程>zw版_THImagex控件函数列表 Halcon虽然庞大,光HALCONXLib_TLB.pas文件,源码就要7w多行,但核心控件就是两 ...

  5. 自己实现FormsAuthentication.SetAuthCookie方法,怎样在ASP.NET服务端代码中删除客户端Cookie

    如何手动设置AuthCookie ASP.NET中实现可以自己实现FormsAuthentication.SetAuthCookie方法,控制更为灵活 /// <summary> /// ...

  6. Openstack的ping不通实例的解决办法

    状态:实例在管理平台上正常创建,也能vnc到实例里面使用ifconfig,查看IP得到我们想要的IP,但是在除了计算节点以外的机器ping实例就是不通. 操作:主要为了测试网络51删除,重新创建网络5 ...

  7. 解决Android SDK Manager更新下载速度慢

    1.在Host文件加上 203.208.46.146 www.google.com 74.125.113.121 developer.android.com 203.208.46.146 dl.goo ...

  8. [转]Delphi多线程编程入门(二)——通过调用API实现多线程

    以下是一篇很值得看的关于Delphi多线程编程的文章,内容很全面,建议收藏. 一.入门 ㈠. function CreateThread(    lpThreadAttributes: Pointer ...

  9. python时间处理函数

    所有日期.时间的api都在datetime模块内. 1. 日期输出格式化 datetime => string import datetime now = datetime.datetime.n ...

  10. linux网站目录及Apache权限的设置

    apache服务器访问权限设置禁止所有访问:Options Indexes FollowSymLinks 改为 Option None   Apache单个或多个目录禁止访问方法   这种方法通常用来 ...