[PDFBOX-4019] Expected 'Page' but found COSName{Font} in PDPageTree

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.0.8
• Component/s: PDModel, Text extraction
• Environment: Debian 9 / MacOs (not OS related)
• Assignee: Unassigned
• Reporter: Nicolas M
• Created: 20/Nov/17 16:31
• Updated: 21/Nov/17 18:28

Description

Hello,

I have a PDF document that produces the following stack trace :

INFO: OpenType Layout tables used in font FreeSans are not implemented in PDFBox and will be ignored
Exception in thread "Thread-1" java.lang.IllegalStateException: Expected 'Page' but found COSName{Font}
	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)
	at org.apache.pdfbox.text.PDFTextStripper.processPages(PDFTextStripper.java:314)
	at org.apache.pdfbox.text.PDFTextStripper.writeText(PDFTextStripper.java:266)
	at org.apache.pdfbox.text.PDFTextStripper.getText(PDFTextStripper.java:227)

I found a similar problem here https://mail-archives.apache.org/mod_mbox/pdfbox-users/201610.mbox/[e-mail]%3E

So, I understand that the problem comes from the pdf itself but given that some readers recover from it, is there any plan to add some recovery methods in PdfBox too?

Thanks