[jira] [Resolved] (PDFBOX-1269) ClassCastException on COSDocument#getDocumentID

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

     [ https://issues.apache.org/jira/browse/PDFBOX-1269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Lehmkühler resolved PDFBOX-1269.
----------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.7.0
         Assignee: Andreas Lehmkühler

I added the fix in revision 1306178 as proposed.

Thanks for the contribution!
                
> ClassCastException on COSDocument#getDocumentID
> -----------------------------------------------
>
>                 Key: PDFBOX-1269
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-1269
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 1.6.0
>            Reporter: Jean-Philippe Bougie
>            Assignee: Andreas Lehmkühler
>            Priority: Minor
>             Fix For: 1.7.0
>
>
> I got this error while trying to save a PDF where I added encryption:
> ava.lang.ClassCastException: org.apache.pdfbox.cos.COSObject cannot be cast to org.apache.pdfbox.cos.COSArray
> at org.apache.pdfbox.cos.COSDocument.getDocumentID(COSDocument.java:379)
> at org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.prepareDocumentForEncryption(StandardSecurityHandler.java:300)
> at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1306)
> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1121)
> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1102)
> Inspecting the pdf in a REPL, I found out that the ID is not a direct array, but a reference to one. I changed the line 401 of COSDocument.java to use getDictionaryObject instead of getItem and it seemed to fix the problem.

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