agreed....
I'm concatenating about 40K PDFs resulting in a PDF under 100MB and 100K+ pages
(with 300DPI images...god love PdfSmartCopy) and it runs in a few minutes and
without any JVM tweaks.
copy.freeReader( reader ) is definately the way to go.
Jason
________________________________
From: Mark Storer [mailto:msto...@autonomy.com]
Sent: Wed 11/10/2010 12:05 PM
To: Post all your questions about iText here
Subject: Re: [iText-questions] Out Of Memory Error Concatenating
MultiplePDFFiles
Ah!
While you could save the PDF to a file rather than a BAOS, the big savings will
be in calling copy.freeReader(reader) when you're done with each reader in turn:
for (int x = 0; x < PdfReaderArray.length; x++) {
reader = PdfReaderArray[x];
for (int page = 0; page < reader.getNumberOfPages(); ) {
copy.addPage(copy.getImportedPage(reader, ++page);
}
copy.freeReader(reader);
}
Otherwise you're keeping everything from each reader in memory until you
"copy.close()".
--Mark Storer
Senior Software Engineer
Cardiff.com
import legalese.Disclaimer;
Disclaimer<Cardiff> DisCard = null;
________________________________
From: McGee, Ed F, CTR, OSD-CAPE [mailto:edwin.mcgee....@osd.mil]
Sent: Tuesday, November 09, 2010 2:55 PM
To: 'itext-questions@lists.sourceforge.net'
Subject: [iText-questions] Out Of Memory Error Concatenating Multiple
PDFFiles
Is there a size limitation to a PdfCopy object and/or PdfSmartCopy
object? I have tried both, as suggested in iText in Action, second edition,
but get the same error.
I am concatenating multiple PDF files and I am now encountering an
Out-Of-Memory error as I import pages using code similar to the following:
I have an input of PdfReader[] which contains 16 PdfReader objects with
approximately 457 pages when combined.
Document document = new Document();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PdfCopy copy = new PdfCopy(document, baos);
document.open();
PdfReader reader = null;
for (int x = 0; x < PdfReaderArray.length; x++) {
reader = PdfReaderArray[x];
for (int page = 0; page < reader.getNumberOfPages(); ) {
copy.addPage(copy.getImportedPage(reader, ++page);
}
}
Any assistance is appreciated.
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