帮我想想能是什么样的错误。
[2007-01-11   07:36:160]
com.ibm.websphere.ce.cm.StaleConnectionException:   Io   异常:   Connection   reset
at   sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native   Method)
at   sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:79)
at   sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java(Compiled   Code))
at   java.lang.reflect.Constructor.newInstance(Constructor.java(Compiled   Code))
at   com.ibm.websphere.rsadapter.GenericDataStoreHelper.mapExceptionHelper(GenericDataStoreHelper.java:473)
at   com.ibm.websphere.rsadapter.GenericDataStoreHelper.mapException(GenericDataStoreHelper.java:516)
at   com.ibm.ws.rsadapter.jdbc.WSJdbcUtil.mapException(WSJdbcUtil.java:820)
at   com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.prepareStatement(WSJdbcConnection.java(Compiled   Code))
at   com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.prepareStatement(WSJdbcConnection.java(Compiled   Code))
at   com.ninetowns.container.user.DBUser.UserLoginCheck(DBUser.java:70)
at   com.ninetowns.container.user.UserLoginAction.execute(UserLoginAction.java:58)
at   org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java(Inlined   Compiled   Code))
at   org.apache.struts.action.RequestProcessor.process(RequestProcessor.java(Compiled   Code))
at   org.apache.struts.action.ActionServlet.process(ActionServlet.java(Compiled   Code))
at   com.ninetowns.container.MainActionServlet.process(MainActionServlet.java(Compiled   Code))
at   org.apache.struts.action.ActionServlet.doPost(ActionServlet.java(Compiled   Code))
at   javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled   Code))
at   javax.servlet.http.HttpServlet.service(HttpServlet.java(Compiled   Code))
at   com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java(Compiled   Code))
at   com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java(Compiled   Code))
at   com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java(Compiled   Code))
at   com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java(Inlined   Compiled   Code))
at   com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java(Compiled   Code))
at   com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java(Compiled   Code))
at   com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java(Inlined   Compiled   Code))
at   com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java(Compiled   Code))
at   com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java(Compiled   Code))
at   com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java(Compiled   Code))
at   com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java(Compiled   Code))
at   com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java(Compiled   Code))
at   com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java(Compiled   Code))
at   com.ibm.ws.webcontainer.srp.S