VosaoContext ctx = VosaoContext.getInstance();
ctx.setRequest((HttpServletRequest)request);
ctx.setResponse((HttpServletResponse)response);
ctx.setConfig(null);
if (ctx.getMessageQueue() == null) {
ctx.setMessageQueue(new MessageQueueImpl());
}
if (ctx.getBusiness() == null) {
ctx.setBusiness(new BusinessImpl());
}
if (ctx.getFrontService() == null) {