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 associated with the session: 
 
解决方法:merge

a different object with the same identifier value was already associated with the session:的更多相关文章

  1. [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 ...

  2. 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 ...

  3. 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 ...

  4. 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"?> ...

  5. 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 ...

  6. 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 ...

  7. 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 ...

  8. 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 alread ...

  9. 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 th ...

随机推荐

  1. iOS总结_UI层自我复习总结

    UI层复习笔记 在main文件中,UIApplicationMain函数一共做了三件事 根据第三个参数创建了一个应用程序对象 默认写nil,即创建的是UIApplication类型的对象,此对象看成是 ...

  2. .NET Core系列 ：3 、使用多个项目

    通过前面的两篇文章,我们已经知道如何创建新的项目,如何生成并运行我们的应用程序,也知道(大致) project.json 文件中的内容是什么意思.但大多数项目往往也需要多个项目或引用的类库.我们要创建 ...

  3. [.NET] 利用 async & await 进行异步 IO 操作

    利用 async & await 进行异步 IO 操作 [博主]反骨仔 [出处]http://www.cnblogs.com/liqingwen/p/6082673.html  序 上次,博主 ...

  4. InstallShield 脚本语言学习笔记

    InstallShield脚本语言是类似C语言,利用InstallShield的向导或模板都可以生成基本的脚本程序框架,可以在此基础上按自己的意愿进行修改和添加.     一.基本语法规则      ...

  5. spring源码分析之@ImportSelector、@Import、ImportResource工作原理分析

    1. @importSelector定义: /** * Interface to be implemented by types that determine which @{@link Config ...

  6. 玩转spring boot——结合redis

    一.准备工作 下载redis的windows版zip包:https://github.com/MSOpenTech/redis/releases 运行redis-server.exe程序 出现黑色窗口 ...

  7. Could not evaluate expression

    VS15 调试变量不能显示值,提示:Could not evaluate expression 解决办法: 选择"在调试时显示运行以单击编辑器中的按钮"重启VS即可. 可参考:Vi ...

  8. C#日志

    参考页面: http://www.yuanjiaocheng.net/Entity/first.html http://www.yuanjiaocheng.net/Entity/jieshao.htm ...

  9. unity 3d 解析 json

    官网案例传送门 我这里不过是借花献佛,案例官网就有. using UnityEngine; using System.Collections; public class json : MonoBeha ...

  10. 微信开发笔记(accesstoken)

    access_token分两种 一种是公众号权限获取用,调用cgi-bin接口 ,此种token一个公众号同时只有一个,用这一个就够了. 服务器最好缓存. 用这个token前提是用户关注了此公众号. ...