read large pdf files

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I am not able to read large pdf files(more than 2GB)[am working on c#]
I am using iTextSharp.dll to read pdf files.
I am reading the pdf file to display number of pages in it.
while reading i am getting error as below:

Rebuild failed: Non-negative number required.
Parameter name: value; Original message: PDF Startxref not found.

how can i read large pdf files(more than 2GB).

Regards,

Posted 27-Oct-11 20:18pm

nm.nagaraju

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Mehdi Gholam 28-Oct-11 2:21am

You have a serious problem if you have a 2Gb PDF file, I have yet to see a PDF > 200MB and that was scanned and not text.

Praveen Kullu 28-Oct-11 2:43am

Please check if the PDF file opens in adobe/foxit reader first. You wont find PDF files that large on internet.

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RaisKazi · Answer 1 · 2011-10-27T20:56:00

Solution 1

Have a look at below link.
http://comments.gmane.org/gmane.comp.windows.dotnet.itextsharp.general/3432

Posted 27-Oct-11 20:56pm

RaisKazi

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Praveen Kullu 28-Oct-11 3:06am

From the link above:

"File sizes above 2G are not supported. This was a design decision made 10 years ago that still makes sense
today. I have my doubt's that this will be "fixed" unless someone pays for the development or you do it
yourself, it's a niche feature. There's also the performance penalty to take care of and the memory
occupied by the xref."

This explains it all...