private void proceedWithFilterChain( FilterChain chain, HttpServletRequest httpRequest, HttpServletResponse httpResponse) throws IOException, ServletException { BesServletRequestReader.param2Attr(httpRequest, Constants.REQ_PARAM_SUB_KEY); BesServletRequestReader.param2Attr(httpRequest, Constants.REQ_PARAM_CONTEXT_PATH); BesServletRequestReader.param2Attr(httpRequest, Constants.REQ_PARAM_SUPPLIER_ID); BesServletRequestReader.param2Attr(httpRequest, Constants.REQ_ATTR_SERVICE_LOGIN_TYPE); BesServletRequestReader.param2Attr(httpRequest, Constants.REQ_ATTR_ERROR_KEY); chain.doFilter(httpRequest, httpResponse); }