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. HDU 4573 Throw the Stones（动态三维凸包）（2013 ACM-ICPC长沙赛区全国邀请赛）

    题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4573 Problem Description Remember our childhood? A fe ...

  2. TP隐藏入口

    我们知道,在thinkphp的案例中有一个.htaccess文件,里面配置了URL的一些重写规则,如: <IfModule mod_rewrite.c>  RewriteEngine on ...

  3. struts_22_xwork校验器列表使用说明

    系统提供的校验器列表如下: required (必填校验器,要求field的值不能为null) requiredstring (必填字符串校验器,要求field的值不能为null,并且长度大于0,默认 ...

  4. android adb shell

    http://blog.csdn.net/zyp009/article/details/8332925 最快的Android模拟器Genymotion的安装与使用 http://blog.csdn.n ...

  5. -Xloggc:log/gc.log 指定GC log的位置

    -Xloggc:log/gc.log指定GC log的位置,以文件输出帮助开发人员分析问题

  6. python添加tab键提示

    新建一个tab.py脚本 #!/usr/bin/python import sys import readline import rlcompleter import atexit import os ...

  7. oracle ebs request一直pending

    如果提交请求以后,状态一直是pending状态,可以在“工具”打开“Manager”,查看一下Maximum是否有设置错,另外pending的数量当前是多少. 如果Maximum是1,pending是 ...

  8. MySQL的基本函数

    charset(str) //返回字串字符集 mysql> select charset('demacia'); +--------------------+ | charset('demaci ...

  9. 夺命雷公狗ThinkPHP项目之----企业网站12之文章添加的实现

    我们现在就开始写文章添加了,居然是添加当然布列外,我们还是要先讲模版搞定再说被: <!doctype html> <html> <head> <meta ch ...

  10. 管理科学与工程 国内核心期刊 国外a刊及SCI

    国内: 管理科学与工程: 管理科学学报 A+   (匿名审稿,绝对牛刊,不比一般的SCi期刊的质量差) 系统工程理论与实践 A   (实名审稿,关系稿很多,尤其是挂编委的文章很多,但质量尚可)系统工程 ...