Hi! I´m using pdfBox 2.0.1 and i´m getting an OOM error while extracting pdf
pages to png.
public static List<File> pdfToImages(final InputStream pdfInputStream, final
String imageFolderPath) {
List<File> imageFiles = new ArrayList<File>();
try {
PDDocument document = null;
try {
document = PDDocument.load(pdfInputStream);
String imageFormat = "." +
ConfigurationProperty.PROXY_IMAGE_INTERNAL_TYPE.getValue();
int dpi =
ConfigurationProperty.PROXY_IMAGE_MAX_DPI.getIntValue();
PDFRenderer pdfRenderer = new PDFRenderer(document);
for (int page = 0; page < document.getNumberOfPages(); page++) {
BufferedImage bim = pdfRenderer.renderImageWithDPI(page,
dpi, ImageType.RGB);
String uuid = UUID.randomUUID().toString();
String outputPrefix = FilenameUtils.concat(imageFolderPath,
uuid + "_pdfimg");
String fileName = outputPrefix + imageFormat;
if (ImageIOUtil.writeImage(bim, fileName, dpi)){
imageFiles.addAll(FileUtils.listFiles(new
File(imageFolderPath), new PrefixFileFilter(uuid), null));
} else {
throw
ProxyRuntimeException.of(ExceptionCodes.ERROR_GENERATING_PDF_IMAGES);
}
}
} finally {
if (document != null) {
document.close();
}
}
} catch (IOException e) {
throw
ProxyRuntimeException.of(ExceptionCodes.ERROR_GENERATING_PDF_IMAGES);
}
return imageFiles;
}
I have a heap max size of 256m
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