org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [org.fzegplat.hibernate.po.BAction#50]
    at org.hibernate.engine.StatefulPersistenceContext.checkUniqueness(StatefulPersistenceContext.java:556)
    at org.hibernate.event.def.DefaultDeleteEventListener.onDelete(DefaultDeleteEventListener.java:70)
    at org.hibernate.impl.SessionImpl.fireDelete(SessionImpl.java:761)
    at org.hibernate.impl.SessionImpl.delete(SessionImpl.java:739)
    at org.fzegplat.hibernate.dao.BActionDao.delete(BActionDao.java:55)
    at org.fzegplat.hibernate.delegate.BActionDelegate.delAction(BActionDelegate.java:71)
    at org.fzegplat.struts.basicaction.B_action_delAction.execute(B_action_delAction.java:45)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
    at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663)
    at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
    at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
    at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
    at java.lang.Thread.run(Thread.java:595)
org.fzegplat.well.exception.DaoException: org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [org.fzegplat.hibernate.po.BAction#50]
    at org.fzegplat.hibernate.dao.BActionDao.delete(BActionDao.java:59)
    at org.fzegplat.hibernate.delegate.BActionDelegate.delAction(BActionDelegate.java:71)
    at org.fzegplat.struts.basicaction.B_action_delAction.execute(B_action_delAction.java:45)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
    at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663)
    at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
    at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
    at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
    at java.lang.Thread.run(Thread.java:595)
Caused by: org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [org.fzegplat.hibernate.po.BAction#50]
    at org.hibernate.engine.StatefulPersistenceContext.checkUniqueness(StatefulPersistenceContext.java:556)
    at org.hibernate.event.def.DefaultDeleteEventListener.onDelete(DefaultDeleteEventListener.java:70)
    at org.hibernate.impl.SessionImpl.fireDelete(SessionImpl.java:761)
    at org.hibernate.impl.SessionImpl.delete(SessionImpl.java:739)
    at org.fzegplat.hibernate.dao.BActionDao.delete(BActionDao.java:55)
    ... 22 more

这个异常发生当你用session.load 或 session.get加载一个对象时 而又尝试着 
session.update or session.lock 操作此对象

解决：
请不要用session加载对对象当你引用或再次使用该对象

由于我在做删除或修改数据操作时，而同时又查询，在查询中我没有关闭session 而造成 a different object with the same identifier value was already associated with the session

NonUniqueObjectException 问题的更多相关文章

  1. 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 ...

  2. hibernate异常：org.hibernate.NonUniqueObjectException

    异常:org.hibernate.NonUniqueObjectException 提示:a different object with the same identifier value was a ...

  3. opensessioninviewFilter导致org.hibernate.NonUniqueObjectException

    起因: 公司业务需求,增加了一个新的数据源,增加之后,起初一切正常,但是发现后台管理系统所有Ajax请求获取信息没有问题,但是涉及到保存操作就抛出异常. 异常: org.hibernate.NonUn ...

  4. org.hibernate.NonUniqueObjectException

    错误如下: 2017-3-29 15:17:52~ERROR~org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV ...

  5. 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 ...

  6. 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 ...

  7. 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 ...

  8. 解决org.hibernate.NonUniqueObjectException的问题

    不知道是不是之前处理懒加载的问题对session工厂进行了处理,导致了之前没有问题的地方出现了错误. 当修改班级操作时出现了错误 前端错误信息 后台处理以及报错信息 16:37:36,034 ERRO ...

  9. sh NonUniqueObjectException

    话题引入: 使用hibernate进行更新操作时,首先调用了findById方法获取要修改的对象,此时session没有被关闭,接着重新创建一个对象,将要修改的属性值赋值给这个对象.调用修改方法抛出如 ...

随机推荐

  1. python ciscolib模块

    python的第三方模块ciscolib可以登录交换机执行相关命令 ciscolib下载地址: https://github.com/nickpegg/ciscolib 常见用法如下: switch ...

  2. Swift—使用try?和try!区别-备

    在使用try进行错误处理的时候,经常会看到try后面跟有问号(?)或感叹号(!),他们有什么区别呢? 1.使用try?  try?会将错误转换为可选值,当调用try?+函数或方法语句时候,如果函数或方 ...

  3. 可用版本的host

    http://blog.csdn.net/ljphhj/article/details/11939591 http://my.oschina.net/lvkun0223/blog/282356 两者的 ...

  4. try catch 学习记入

    执行过程 public void method(Action action) { //2.method执行中 try { action(); //3.调用委托 "; //如果action执行 ...

  5. 为什么设计模式在C++社区没有Java社区流行?

    我们发现设计模式在Java社区很流行,但是在C++社区却没有那么被关注,甚至有点被排斥,究竟是什么原因造成这个差异的呢?    昨天和同事讨论这个问题,最后得出几点原因:     (1)C++内存需要 ...

  6. 【HDOJ】1057 A New Growth Industry

    纯粹的模拟题目. #include <cstdio> #include <cstring> #include <cstdlib> #define MAXN 20 # ...

  7. sql sever 模糊查询 除了like还有PATINDEX

    返回模式在指定表达式中第一次出现的起始位置:如果在所有有效的文本和字符数据类型中都找不到该模式,则返回零. USE AdventureWorks2012; GO SELECT PATINDEX('%e ...

  8. my dup2

    #include <fcntl.h>#include <stdio.h>#include <unistd.h> int mydup(int i_OldFd, int ...

  9. 再看C

    1. clrscr(void) 清屏 clear screen;gotoxy(x,y); 移动光标至指定位置;

  10. 大型分布式C++框架《三：序列化与反序列化》

    一.前言  个人感觉序列化简单来说就是按一定规则组包.反序列化就是按组包时的规则来接包.正常来说.序列化不会很难.不会很复杂.因为过于复杂的序列化协议会导致较长的解析时间,这可能会使得序列化和反序列化 ...