ImageIO unsupport Image Type exception

File f = new File("/path/imagefile.jpg");    //Find a suitable ImageReader    Iterator readers = ImageIO.getImageReadersByFormatName("JPEG");    ImageReader reader = null;    while(readers.hasNext()) {        reader = (ImageReader)readers.next();        if(reader.canReadRaster()) {            break;        }    }    //Stream the image file (the original CMYK image)    ImageInputStream input =   ImageIO.createImageInputStream(f);     reader.setInput(input);     //Read the image raster    Raster raster = reader.readRaster(0, null);     //Create a new RGB image    BufferedImage bi = new BufferedImage(raster.getWidth(), raster.getHeight(),     BufferedImage.TYPE_4BYTE_ABGR);     //Fill the new image with the old raster    bi.getRaster().setRect(raster);