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Pftlatex/pdftk version mismatch
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Sargastic
n00b
n00b


Joined: 28 Aug 2011
Posts: 6

PostPosted: Fri Apr 12, 2013 10:19 am    Post subject: Pftlatex/pdftk version mismatch Reply with quote

Hello,

Not sure this forum is the proper one, but the others seem even less fit :oops:

There has been some emerging lately on my Gentoo box, and I ran into heavy troubles with pdftk since.

Pdflatex generates version 1.5 pdf files, and pdftk does not seem to recognize them (at least those I did produce) :
Code:

$ file 01-document.pdf
01-document.pdf:         PDF document, version 1.5
$ pdftk 01-document.pdf cat 1 output /tmp/01.pdf
Error: Failed to open PDF file:
   01-document.pdf
Errors encountered.  No output created.
Done.  Input errors, so no output created.
$ file 02-document.pdf
02-document.pdf:         PDF document, version 1.4
$ pdftk 02-document.pdf cat 1 output /tmp/02.pdf
$


We would like either
  • get pdflatex back to generating version 1.4 PDF files, or
  • get pdftk to process version 1.5 PDF files properly

Currently, the 1.5 PDF file is processed by displaying with Okular, printing it to PDF (which produces a version 1.4 pdf file) and then using pdftk on this "printed" file. It works but that's an ugly way of doing things.

Any idea "what" does produce the PDF code (for pdflatex) ? We already downgraded poppler, without success.

Tia,
-- Sarg
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chithanh
Developer
Developer


Joined: 05 Aug 2006
Posts: 1674
Location: Berlin, Germany

PostPosted: Sun Apr 21, 2013 1:59 am    Post subject: Reply with quote

The problem is that pdftk uses an internal itext library which is quite outdated. So the solution would be to make it use external dev-java/itext, or a workaround to specify the PDF version in your LaTeX files.
Code:
\pdfminorversion=4
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