Java hibernate中的连接代理错误

当我们通过hibernate获取连接时，当我们使用多个连接时，会出现一个错误连接代理错误

错误消息如下所示

SEVERE: Servlet.service() for servlet action threw exception org.hibernate.HibernateException: connnection proxy not usable after transaction completion at org.hibernate.jdbc.BorrowedConnectionProxy.invoke(BorrowedConnectionProxy.java:66) at $Proxy0.prepareStatement(Unknown Source) at com.indiamoney.api.advisor.dashboard.dao.impl.AdvisorDashboardDAOImpl.getCustemerRequestsCount(AdvisorDashboardDAOImpl.java:571) at com.indiamoney.api.advisor.dashboard.bo.AdvisorDashboardBO.getCustemerRequestsCount(AdvisorDashboardBO.java:226) at com.indiamoney.advisor.dashboard.action.AdvisorDashboardAction.dashboardDetails(AdvisorDashboardAction.java:307) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:269) at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:170) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.displaytag.filter.ResponseOverrideFilter.doFilter(ResponseOverrideFilter.java:125) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Unknown Source) Nov 1, 2012 9:18:37 PM org.apache.tomcat.util.http.Parameters processParameters WARNING: Parameters: Invalid chunk ignored. Nov 1, 2012 9:18:37 PM org.apache.tomcat.util.http.Parameters processParameters WARNING: Parameters: Invalid chunk ignored.

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我们的系统在几天前遇到了这个异常。我跟踪了BorrowedConnectionProxy.java，发现这个问题是由于在hibernate使用之前关闭连接造成的：

我们使用Session.connection（）获取会话中寄生的连接，并手动关闭它。在这种情况下，当调用会话上任何与db相关的方法时，将抛出异常

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因此，请检查并确保hibernate/session获得了有效的连接（状态正确）。希望这对您的情况有效。

我在hibernate 3.2.7/Spring 3.0.5和ope session in view filter的一个更棘手的用例中遇到了异常。可能是因为分离的实体作为参数传递给新线程，并在单独的事务中更新。

“关闭的连接”还表示池中的空闲连接