result.append("&tabularVersion=").append(request.getParameter("tabularVersion"));
result.append("&amp;tabularVersion=").append(request.getParameter("tabularVersion"));
    protected String getExtraRequestParameters(HttpServletRequest request) {	StringBuilder result = new StringBuilder(); 	if (getRequestedUnitOID(request) != null) {	    result.append("keyUnit=").append(getRequestedUnitOID(request));	}	if (!StringUtils.isEmpty(request.getParameter("tabularVersion"))) {	    result.append("&tabularVersion=").append(request.getParameter("tabularVersion"));	}        return result.toString();    }