Hello, I nedd to create an action that positions a cookie and refreshes the page (with all its parameters) this is the code of my action and it causes a nullPointerException
public class ChangeTabAction extends Action { public static final String TabCookieName = "tabCookie"; public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { String tab= (String)request.getParameter("tab"); if(tab==null||tab=="") { tab="default"; } Cookie myCookie = new Cookie(TabCookieName,tab); response.addCookie(myCookie); return new ActionForward(mapping.getInput()); } } I also tried return mapping.getInputForward(); but it does throw the same exception can somebody help Thanks Mehdi