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Posted to dev@pdfbox.apache.org by "Michele Balistreri (JIRA)" <ji...@apache.org> on 2014/10/04 19:38:33 UTC
[jira] [Created] (PDFBOX-2402) NonSequentialParser cannot recover
from spurious closing brackets
Michele Balistreri created PDFBOX-2402:
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Summary: NonSequentialParser cannot recover from spurious closing brackets
Key: PDFBOX-2402
URL: https://issues.apache.org/jira/browse/PDFBOX-2402
Project: PDFBox
Issue Type: Bug
Components: Parsing
Affects Versions: 2.0.0
Reporter: Michele Balistreri
The NonSequentialParser fails if an object has a spurious closing tag (for example, a PDFArray with two closing brackets). In lenient mode, it would be good to at least attempt recovering from that. The attached patch, instead of throwing an exception in case the endObject string is not "endobj" or " obj", skips a character (the spurious character) and tries reading a string. It continues until either the file ends or an "endobj" is found.
I have a document where this worked but I am not allowed to upload it, unfortunately. In any case the patch cannot make things worse, since it replaces throwing an exception with at least attempting to recover from it.
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