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https://issues.apache.org/jira/browse/PDFBOX-2402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14168129#comment-14168129
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Michele Balistreri commented on PDFBOX-2402:
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If reading is not needed, then is ok. I did the read only to skip the spurious
bytes and eventually find the "endobj" tag. If this is not required for correct
functioning, it can be as well be omitted.
> NonSequentialPDFParser 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
> Assignee: Tilman Hausherr
> Fix For: 2.0.0
>
> Attachments: NonSequentialPDFParser.patch, file screenshot.png
>
>
> The NonSequentialPDFParser 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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