In Adobe Acrobat this file has only two pages, so as noted the root of the page tree is invalid:
/Kids [3 0 R, 3 0 R, 3 0 R] Acrobat is ignoring these extra pages, so the fix for PDFBox should be to ignore repeated objects in the page tree. -- John On 7 Jul 2014, at 14:05, Maruan Sahyoun <sahy...@fileaffairs.de> wrote: > the issue is because part1.pdf in PDFBOX-1533 references the same 2 pages 3 > times within the document catalog (/Kids [3 0 R, 3 0 R, 3 0 R]). Could you > attach a sample pdf to PDFBOX-1533 to verify that your issue has the same > cause or verify it for yourself? > > We are using PDFBox for merging documents ourselves successfully. Obviously > this file would need some special treatment. > > BR > Maruan > > Am 07.07.2014 um 11:31 schrieb Aleksander Blomskøld <aleks...@gmail.com>: > >> Hi, >> >> We're using PDFBox for PDF validation and PDF merging in a backend >> invoicing system. It's working pretty well for most of the time, but right >> now we're having some unhappy customers because of >> https://issues.apache.org/jira/browse/PDFBOX-1533. >> >> As it's important for us to have this fixed pretty soon, we're wondering if >> anyone of you would be willing to fix this issue for pay. If so, please >> contact me so we can work out the details. >> >> >> Regards, >> >> Aleksander Blomskøld >