[jira] [Resolved] (PDFBOX-2250) Improve XRef self healing mechanism

["Andreas Lehmkühler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-2250?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Lehmkühler resolved PDFBOX-2250.
----------------------------------------
    Resolution: Fixed

I've merged Tilmans changes from the trunk into the 1.8 branch, so that all attached files can be parsed with both the trunk and the 1.8 branch.

As I don't have an idea on how to solve the TODO, I'm going to resolve this issue. Once we have a sample pdf which can't be parsed with the simple algorithm, we can open a new issue.

> Improve XRef self healing mechanism
> -----------------------------------
>
>                 Key: PDFBOX-2250
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2250
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Parsing
>    Affects Versions: 1.8.6, 1.8.7, 2.0.0
>            Reporter: Andreas Lehmkühler
>            Assignee: Andreas Lehmkühler
>             Fix For: 1.8.8, 2.0.0
>
>         Attachments: 055794.pdf, 113223.pdf, PDFBOX-2250-107425-empty-xref.pdf, PDFBOX-2250-110264-xref-zeronumber.pdf, PDFBOX-2250-229205.pdf, PDFBOX-2250-233566.pdf
>
>
> PDFBOX-1769 introduced a "self healing" mechanism to repair corrupt XRef offsets. But that one was just a starter and there remain a lot of issues to be solved. I'm planing to solve at least some of them.
> All fixes and improvements are targeting the non-sequential parser and I won't port those changes to the old parser.



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