@Override
    public void handleRequest(final HttpServletRequest request) throws ServletException {
        final JakartaServletDiskFileUpload upload = createDiskFileUpload(request);
        prepareElementsHash();
        try {
            final List<DiskFileItem> items = parseRequest(request, upload);
            mappingParameter(request, items);
        } catch (final FileUploadByteCountLimitException e) { // special handling