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From "Tilman Hausherr (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (PDFBOX-3942) ClassCastException in getOptionalContentGroups
Date Tue, 26 Sep 2017 16:15:01 GMT

     [ https://issues.apache.org/jira/browse/PDFBOX-3942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tilman Hausherr reassigned PDFBOX-3942:
---------------------------------------

    Assignee: Tilman Hausherr

> ClassCastException in getOptionalContentGroups
> ----------------------------------------------
>
>                 Key: PDFBOX-3942
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3942
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 2.0.6
>            Reporter: Vlad-Tudor Marchis
>            Assignee: Tilman Hausherr
>            Priority: Minor
>              Labels: support
>             Fix For: 2.0.8, 3.0.0
>
>         Attachments: PDOptionalContentProperties.java
>
>
> I noticed this issue when trying to remove a set of layers I previously added on a multi-page
PDF. I noticed it in version 2.0.6, but might be present in others.
> Here is a stacktrace snippet:
> Caused by: java.lang.ClassCastException: org.apache.pdfbox.cos.COSDictionary cannot be
cast to org.apache.pdfbox.cos.COSObject
> at org.apache.pdfbox.pdmodel.graphics.optionalcontent.PDOptionalContentProperties.getOptionalContentGroups(PDOptionalContentProperties.java:180).
> I looked at the source and saw the toDictionary method that seemed to be used in every
other place so I just put in in place and it seems to have solved the issue.
> I've uploaded the updated file, the one that I'm using, which you can review and include
in your project if it's a valid fix. 



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