set("action", action);
HttpServletResponse response = (HttpServletResponse) getPageContext().getResponse(); set("action", response.encodeURL(action));
    public void setAction(String action) {        this.actionWithoutContext = action;        if (action.startsWith("/")) {            HttpServletRequest request = (HttpServletRequest) getPageContext().getRequest();            String contextPath = request.getContextPath();            if (contextPath != null) {                action = contextPath + action;            }        }        set("action", action);    }