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. mix hibernate + jdbc?
2, con = DBPool.getInstance () getConnection ();. Acquisition proposal directly using the session, do not need to shut itself down, by the spring transaction management;
3, try not to mix, if the mix hibernate second level cache problems that may occur
4. unified connection pool management
Reproduced in: https: //my.oschina.net/xiaominmin/blog/551514