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https://issues.apache.org/jira/browse/PDFBOX-1099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13393574#comment-13393574
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Andreas Lehmkühler commented on PDFBOX-1099:
--------------------------------------------
The fix broke one of our tests. We have to checl if the map contains the key we
are looking before comparing it to avoid a NPE. I fixed that in revision
1351132.
@Timo
I hope I didn't missed any detail. All mentioned pdfs are still working.
> Only parsing object streams if they are referenced by the xref table / stream
> -----------------------------------------------------------------------------
>
> Key: PDFBOX-1099
> URL: https://issues.apache.org/jira/browse/PDFBOX-1099
> Project: PDFBox
> Issue Type: Improvement
> Components: Parsing
> Reporter: Thomas Chojecki
> Assignee: Timo Boehme
> Fix For: 1.8.0
>
> Attachments: 2012-06-13_COSDocument_xrefObjStream.patch,
> img1600315916950176362.pdf
>
>
> Some pdf documents have objects streams and don't reference them through the
> xref table / stream. To prevent the stream parser to dereference such object
> streams, we need to implement the type 2 part (case 2) inside the
> PDFXRefStreamParser and store the objects inside a map. This will take some
> load from the stream parser (see PDFBOX-1098) and causes less failures while
> parsing a document.
> A sample pdf can be get from the issue PDFBOX-1098 and a patch is coming
> soon.
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