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Posted to dev@pdfbox.apache.org by "Cheng Zhong (JIRA)" <ji...@apache.org> on 2018/01/27 09:27:00 UTC
[jira] [Commented] (PDFBOX-4084) Can't draw PDFs while ANNOTS is
COSStream instead of COSArray
[ https://issues.apache.org/jira/browse/PDFBOX-4084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16342054#comment-16342054 ]
Cheng Zhong commented on PDFBOX-4084:
-------------------------------------
This also happens in getPages or something else (See the second attachment).
I wonder if there is a new specification for PDF or a extended specification, to store ANNOTS, PAGES or every thing at root as a (compressed?) stream to save space.
I hope PDFBOX could handle these issue correctly.
> Can't draw PDFs while ANNOTS is COSStream instead of COSArray
> -------------------------------------------------------------
>
> Key: PDFBOX-4084
> URL: https://issues.apache.org/jira/browse/PDFBOX-4084
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 2.0.8
> Reporter: Cheng Zhong
> Priority: Major
> Attachments: Benelux Equity Daily-20110321.pdf, TELECOM EQUIPMENT DAILY - 12 AUG 2009.pdf
>
>
> PDFBox would failed to draw the attached document , error logs are below:
> {code:java}
> java.lang.ClassCastException: org.apache.pdfbox.cos.COSStream cannot be cast to org.apache.pdfbox.cos.COSArray
> at org.apache.pdfbox.pdmodel.PDPage.getAnnotations(PDPage.java:661) ~[classes/:?]
> at org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:202) ~[classes/:?]{code}
> This PDF put COSStream as the page's ANNOTS object, and caused the failure.
> Simply do type checks in PDPage.getAnnotations might avoid this issue, but the annotations would lost.
>
> This PDF show correctly (I mean annotation works) in:
> * Chrome 63.0.3239.132
> * Adobe Reader 11.0.23
> This PDF doesn't work perfectly in:
> * Microsoft Edge
>
>
>
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