return scopes;
catch (IllegalStateException ise) {   log.warn("An IllegalStateException got thrown trying to create a flash scope. ", "This happens when add something to flash scope for the first time ", "causes creation of the HttpSession, but for some other reason the ", "response is already committed!"); return null; }
    private static Map<Integer,FlashScope> getContainer(HttpServletRequest req, boolean create) {        Map<Integer,FlashScope> scopes = (Map<Integer,FlashScope>)                req.getSession().getAttribute(StripesConstants.REQ_ATTR_FLASH_SCOPE_LOCATION);        if (scopes == null && create) {            scopes = new HashMap<Integer,FlashScope>();            req.getSession().setAttribute(StripesConstants.REQ_ATTR_FLASH_SCOPE_LOCATION, scopes);        }        return scopes;    }