If you have a lot of object it will still require a lot of memory to store the
xrefs and other housekeeping objects.
Paulo
> -----Original Message-----
> From: Massimiliano Ziccardi [mailto:[email protected]]
> Sent: Tuesday, March 03, 2009 4:10 PM
> To: [email protected]
> Subject: [iText-questions] OutOfMemory error
>
> Hi all.
>
> I need to sign 9 files each of them 1GB long...
>
> I instantiate the reader with
> PdfReader reader = new PdfReader(new
> RandomAccessFileOrArray(fIn.getAbsolutePath(), false, true),null);
>
> and then I add the signature with:
>
> PdfStamper stp = PdfStamper.createSignature(reader, new
> BufferedOutputStream(new FileOutputStream(fOut)), '\0', fTmp, true);
>
> But I get the following OutOfMemory error...
>
> Acrobat reader is able to deal the file very efficiently
> (small memory footprint and very fast).
>
> Do you have any idea?
>
> java.lang.OutOfMemoryError: Java heap space
> at java.lang.String.toCharArray(String.java:2726)
> at com.lowagie.text.pdf.PdfName.<init>(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.readDictionary(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.readPRObject(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.readDictionary(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.readPRObject(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.readDictionary(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.readPRObject(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.readSingleObject(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.getPdfObject(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.getPdfObject(Unknown Source)
> at
> com.lowagie.text.pdf.PdfReader$PageRefs.getSinglePage(Unknown Source)
> at
> com.lowagie.text.pdf.PdfReader$PageRefs.getPageOrigRef(Unknown Source)
> at
> com.lowagie.text.pdf.PdfReader$PageRefs.getPageN(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.getPageN(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.getPageNRelease(Unknown Source)
> at com.lowagie.text.pdf.AcroFields.fill(Unknown Source)
> at com.lowagie.text.pdf.AcroFields.<init>(Unknown Source)
> at
> com.lowagie.text.pdf.PdfStamperImp.getAcroFields(Unknown Source)
> at
> com.lowagie.text.pdf.PdfSignatureAppearance.getNewSigName(Unkn
> own Source)
> at
> com.lowagie.text.pdf.PdfSignatureAppearance.<init>(Unknown Source)
> at com.lowagie.text.pdf.PdfStamper.createSignature(Unknown Source)
>
>
> Thank you in advance,
> Massimiliano
>
>
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