@Override public void sessionDestroyed(HttpSessionEvent se) { // Close all Comet connections associated with this session Request[] reqs = (Request[]) se.getSession().getAttribute(cometRequestsAttribute); if (reqs != null) { for (int i = 0; i < reqs.length; i++) { Request req = reqs[i]; try { CometEventImpl event = req.getEvent(); event.setEventType(CometEvent.EventType.END); event.setEventSubType(CometEvent.EventSubType.SESSION_END); ((CometProcessor) req.getWrapper().getServlet()).event(event); event.close(); } catch (Exception e) { req.getWrapper() .getParent() .getLogger() .warn(sm.getString("cometConnectionManagerValve.listenerEvent"), e); } } } }
/** * Handle the HTTP status code (and corresponding message) generated while processing the * specified Request to produce the specified Response. Any exceptions that occur during * generation of the error report are logged and swallowed. * * @param request The request being processed * @param response The response being generated */ private void status(Request request, Response response) { int statusCode = response.getStatus(); // Handle a custom error page for this status code Context context = request.getContext(); if (context == null) return; /* Only look for error pages when isError() is set. * isError() is set when response.sendError() is invoked. This * allows custom error pages without relying on default from * web.xml. */ if (!response.isError()) return; ErrorPage errorPage = context.findErrorPage(statusCode); if (errorPage == null) { // Look for a default error page errorPage = context.findErrorPage(0); } if (errorPage != null && response.setErrorReported()) { response.setAppCommitted(false); request.setAttribute(RequestDispatcher.ERROR_STATUS_CODE, Integer.valueOf(statusCode)); String message = response.getMessage(); if (message == null) message = ""; request.setAttribute(RequestDispatcher.ERROR_MESSAGE, message); request.setAttribute(Globals.DISPATCHER_REQUEST_PATH_ATTR, errorPage.getLocation()); request.setAttribute(Globals.DISPATCHER_TYPE_ATTR, DispatcherType.ERROR); Wrapper wrapper = request.getWrapper(); if (wrapper != null) request.setAttribute(RequestDispatcher.ERROR_SERVLET_NAME, wrapper.getName()); request.setAttribute(RequestDispatcher.ERROR_REQUEST_URI, request.getRequestURI()); if (custom(request, response, errorPage)) { try { response.finishResponse(); } catch (ClientAbortException e) { // Ignore } catch (IOException e) { container.getLogger().warn("Exception Processing " + errorPage, e); } } } }
/** * Handle the specified Throwable encountered while processing the specified Request to produce * the specified Response. Any exceptions that occur during generation of the exception report are * logged and swallowed. * * @param request The request being processed * @param response The response being generated * @param throwable The exception that occurred (which possibly wraps a root cause exception */ protected void throwable(Request request, Response response, Throwable throwable) { Context context = request.getContext(); if (context == null) return; Throwable realError = throwable; if (realError instanceof ServletException) { realError = ((ServletException) realError).getRootCause(); if (realError == null) { realError = throwable; } } // If this is an aborted request from a client just log it and return if (realError instanceof ClientAbortException) { if (log.isDebugEnabled()) { log.debug(sm.getString("standardHost.clientAbort", realError.getCause().getMessage())); } return; } ErrorPage errorPage = findErrorPage(context, throwable); if ((errorPage == null) && (realError != throwable)) { errorPage = findErrorPage(context, realError); } if (errorPage != null) { if (response.setErrorReported()) { response.setAppCommitted(false); request.setAttribute(Globals.DISPATCHER_REQUEST_PATH_ATTR, errorPage.getLocation()); request.setAttribute(Globals.DISPATCHER_TYPE_ATTR, DispatcherType.ERROR); request.setAttribute( RequestDispatcher.ERROR_STATUS_CODE, new Integer(HttpServletResponse.SC_INTERNAL_SERVER_ERROR)); request.setAttribute(RequestDispatcher.ERROR_MESSAGE, throwable.getMessage()); request.setAttribute(RequestDispatcher.ERROR_EXCEPTION, realError); Wrapper wrapper = request.getWrapper(); if (wrapper != null) request.setAttribute(RequestDispatcher.ERROR_SERVLET_NAME, wrapper.getName()); request.setAttribute(RequestDispatcher.ERROR_REQUEST_URI, request.getRequestURI()); request.setAttribute(RequestDispatcher.ERROR_EXCEPTION_TYPE, realError.getClass()); if (custom(request, response, errorPage)) { try { response.finishResponse(); } catch (IOException e) { container.getLogger().warn("Exception Processing " + errorPage, e); } } } } else { // A custom error-page has not been defined for the exception // that was thrown during request processing. Check if an // error-page for error code 500 was specified and if so, // send that page back as the response. response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); // The response is an error response.setError(); status(request, response); } }