GWT服务器端代码独立运行

Hy, I am writing a GWT app. App consists of getting, storing and showing some informations. On a client side I show information that I get from database using RPC calls. Next, I have to fetch XML file from remote server, pars it and store data in database every 10 seconds. I have to do that on server side without interacting with client side so that would be running even if no one is browsing the app. Does anyone have a solution for this?Hy, I am writing a GWT app. App consists of get