}

            tagNo = b & 0x7f;

            // X.690-0207 8.1.2.4.2
            // "c) bits 7 to 1 of the first subsequent octet shall not all be zero."
            if (0 == tagNo)
            {
                throw new IOException("corrupted stream - invalid high tag number found");
            }

            while ((b & 0x80) != 0)

                final BufferedImage thumbnail = new BufferedImage(thumbnailWidth, thumbnailHeight, image.getType());
                thumbnail.getGraphics().drawImage(image.getScaledInstance(thumbnailWidth, thumbnailHeight, Image.SCALE_AREA_AVERAGING), 0,
                        0, thumbnailWidth, thumbnailHeight, null);
                ImageIO.write(thumbnail, fessConfig.getThumbnailHtmlImageFormat(), outputFile);
                image.flush();