org.hibernate.HibernateException: connnection proxy not usable after transaction

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org.hibernate.HibernateException: connnection proxy not usable after transaction completion 
at org.hibernate.jdbc.BorrowedConnectionProxy.invoke(BorrowedConnectionProxy.java:42) 
at $Proxy10.prepareStatement(Unknown Source) 
at com.bjqa.crm.zizhu.ddgl.biz.DzfddDao.doUpdateDdzt(DzfddDao.java:714) 
at com.bjqa.crm.zizhu.ddgl.biz.DzfddDao.OrderSettlement(DzfddDao.java:619) 
at com.bjqa.crm.zizhu.ddgl.action.DdzfServletAction.doPost(DdzfServletAction.java:113) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) 

1.混用 hibernate + jdbc？ 

2、con = DBPool.getInstance().getConnection();  建议直接使用session获取，也不需要自己关闭，由spring事务管理； 

3、尽量不要混用，如果混用hibernate二级缓存可能会出现问题

4.统一用连接池管理

转载于:https://my.oschina.net/xiaominmin/blog/551514

标签：usable,hibernate,java,connnection,HttpServlet,DzfddDao,ddgl,bjqa
来源： https://blog.csdn.net/weixin_34414196/article/details/92520356