Am 29.09.2016 um 13:34 schrieb Mattias Jiderhamn:
Hi list.
I have a PDF (v 1.4) created by "wPDF3 by WPCubed GmbH"
(http://www.wptools.de) that when traversed with PDFBox 2.0.3 I get
the following exception:
java.lang.IllegalStateException: Expected 'Page' but found COSName{Group}
at
org.apache.pdfbox.pdmodel.PDPageTree.sanitizeType(PDPageTree.java:227)
at
org.apache.pdfbox.pdmodel.PDPageTree.access$300(PDPageTree.java:38)
at
org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.next(PDPageTree.java:189)
at
org.apache.pdfbox.pdmodel.PDPageTree$PageIterator.next(PDPageTree.java:153)
I don't know much about the internals of PDF, but the file opens
without any issues in Foxit Reader and some online validator claims it
is ok. How can I determine if the document is in error or if PDFBox
has a problem?
Unfortunately I cannot share the document.
It is broken, but some readers can recover from that. From here, it
looks as if a pointer to a page dictionary points to a group dictionary
instead.
Tilman
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