[PDFBOX-4921] java.lang.OutOfMemoryError: Java heap space when convertif large pdf to tiff

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.0.20
• Component/s: Rendering
• Environment: Java Version: 11 ; Java Runtime Version: 11+28 ; Java Home: OpenJDK11_x64 ; Java Vendor: Oracle Corporation ; Java Vendor URL: http://java.oracle.com/
• Assignee: Unassigned
• Reporter: Florent Juillet
• Created: 22/Jul/20 09:56
• Updated: 25/Jul/20 10:12

Description

Hello, 

I am faced to this issue when i want to convert only the first page of a pdf image to a tiff image file.

This is my java method : 

private static ByteArrayOutputStream extractFirstPageAsTiff(File pdfsource) throws IOException {
 ByteArrayOutputStream out = new ByteArrayOutputStream();
 ImageOutputStream imageOut = new MemoryCacheImageOutputStream(out);
 // Load the PDF 
 try (PDDocument pdf = PDDocument.load(pdfsource)) {
   // Initialize PDF renderer
   PDFRenderer ren = new PDFRenderer(pdf);
   // Setup Image Writer
   ImageWriter writer = ImageIO.getImageWritersBySuffix("tiff").next();
   writer.setOutput(imageOut);
   // Setup Image Writer Parameters
   ImageWriteParam params = writer.getDefaultWriteParam();
   params.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
   params.setCompressionType(COMPRESSION_TYPE_GROUP4FAX);

   // Writer pages to the image writer
   // capture the page image to file
   BufferedImage src = ren.renderImageWithDPI(0, RESOLUTION);
   int[] cmap = new int[] { 0xFF000000, 0xFFFFFFFF };
   BufferedImage src4BitColourDepth = ConvertUtil.convert4(src, cmap);
   // Prepare the Image
   Writer writer.prepareWriteSequence(null);
   writer.writeToSequence(new IIOImage(src4BitColourDepth, null, null), params);
   // End Writer Sequence
   writer.endWriteSequence();
   imageOut.close();
  }
  return out;
}

 

Produce this stack : 

Exception in thread "main" java.lang.OutOfMemoryError: Java heap spaceException in thread "main" java.lang.OutOfMemoryError: Java heap space at java.desktop/java.awt.image.DataBufferInt.<init>(DataBufferInt.java:75) at java.desktop/java.awt.image.Raster.createPackedRaster(Raster.java:467) at java.desktop/java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:1032) at java.desktop/java.awt.image.BufferedImage.<init>(BufferedImage.java:324) at org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:296) at org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:243) at org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI(PDFRenderer.java:215) at sandbox.tess4j.DetectOrientation.extractFirstPageAsTiff(DetectOrientation.java:173)

In attachement the pdf document After Orientation.pdf

 

Run with : 

Java Version: 11
Java Runtime Version: 11+28
Java Home: OpenJDK11_x64
Java Vendor: Oracle Corporation
Java Vendor URL: http://java.oracle.com/