authTokenCookie.setPath("/");
    public void doTag() throws JspException, IOException {        JspContext jctxt = getJspContext();        PageContext pageContext = (PageContext) jctxt;        HttpServletResponse response = (HttpServletResponse) pageContext.getResponse();                    Cookie authTokenCookie = new Cookie(ZJspSession.COOKIE_NAME, "");        authTokenCookie.setMaxAge(0);        response.addCookie(authTokenCookie);        ZJspSession.clearSession((PageContext)jctxt);    }