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https://issues.apache.org/jira/browse/PDFBOX-4307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Boehme resolved PDFBOX-4307.
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Resolution: Fixed
Fix Version/s: 3.0.0 PDFBox
2.0.12
> ClassCastException in PDDocumentCatalog.getDocumentOutline if 'outlines' is
> not a dictionary
> --------------------------------------------------------------------------------------------
>
> Key: PDFBOX-4307
> URL: https://issues.apache.org/jira/browse/PDFBOX-4307
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing
> Affects Versions: 2.0.11, 3.0.0 PDFBox
> Reporter: Timo Boehme
> Assignee: Timo Boehme
> Priority: Minor
> Fix For: 2.0.12, 3.0.0 PDFBox
>
>
> In PDDocumentOutline.getDocumentOutline() the 'outline' is read as dictionary
> object and directly cast to COSDictionary. Normally this is ok as it should
> be a dictionary. However in a bad PDF as I have it in my collection
> (unfortunately I'm not allowed to disclose it) the object is an array
> (COSArray) which leads to the ClassCastException.
> Since the outline is an optional information the best we can do here is to
> ignore the 'outline' data if its not a COSDIctionary and return 'null'.
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