Background process in Servlet [duplicate]

Answer 1

Thank you! I was wondering whether this should be better done inside of an request scope like:

public class StartServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {                   
        request.getSession().setAttribute("task", new Task());     
    }
}

This way, the process is stopped when the user leaves the page.