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https://issues.apache.org/jira/browse/PDFBOX-5975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17936925#comment-17936925
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Tilman Hausherr edited comment on PDFBOX-5975 at 3/19/25 8:03 PM:
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I think you didn't catch the part that is problematic (you would need to get
the key (see PDNameTreeNode:272) and find it in the tree), however I think I
can guess what happened. This is an array which has an even number of elemets,
there's always a string and then an array (the destination). Maybe the creator
of the file made a mess and there are several strings without an array between.
was (Author: tilman):
Could you post the stack trace?
I think you didn't catch the part that is problematic (you would need to get
the key (see PDNameTreeNode:272) and find it in the tree), however I think I
can guess what happened. This is an array which has an even number of elemets,
there's always a string and then an array (the destination). Maybe the creator
of the file made a mess and there are several strings without an array between.
> Class cast exception in building PDDestinationNameTreeNode
> ----------------------------------------------------------
>
> Key: PDFBOX-5975
> URL: https://issues.apache.org/jira/browse/PDFBOX-5975
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 3.0.4 PDFBox
> Environment: Windows
> Reporter: Frans Bouwmans
> Priority: Major
> Attachments: 000334.pdf, image-2025-03-19-15-43-48-035.png,
> image-2025-03-19-15-49-23-060.png, image-2025-03-19-20-03-09-702.png,
> screenshot-1.png
>
>
> In PDDestinationNameTreeNode.java on line 63 a PDDestination is created.
> This function returns a PDDestination which is then casted to a
> PDPageDestination.
> There is however also a PDDestination of type PDNamedDestination.
> When a page is opened of a document with a named destination and the
> destination tree node is created, such as on rendering or using the splitter,
> then just opening the page will fail with a class cast exception and the page
> can therefore not be rendered, and is not included in a split document.
> A test with a check of the instance type and return null does at least fix
> the exception.
> It is not clear whether named destinations should be handled here or ignored.
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