A user reported that Ghostscript and other softwares complains about an invalid xref entry in documents generated using pdfsam merge command. I made some test using the provided PdfCopy example and here is the Ghostscript error:
GPL Ghostscript 8.64 (2009-02-03) Copyright (C) 2009 Artifex Software, Inc. All rights reserved. This software comes with NO WARRANTY: see the file PUBLIC for details. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: Generation number out of 0..65535 range, assuming 0. **** Warning: File has an invalid xref entry: 1. Rebuilding xref table. Processing pages 1 through 19. Page 1 To reproduce it simply run Ghostscript against the concatenated.pdf provided with the PdfCopy example on http://itextdocs.lowagie.com. The error disappear setting enabling full compression on the writer. I attached a couple of images showing other softwares reporting about the xref table.
<<attachment: becypdfmetaedit.png>>
<<attachment: pdf-xviewer.PNG>>
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