[jira] [Comment Edited] (PDFBOX-5975) Class cast exception in building PDDestinationNameTreeNode
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https://issues.apache.org/jira/browse/PDFBOX-5975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17936936#comment-17936936
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Tilman Hausherr edited comment on PDFBOX-5975 at 3/19/25 8:21 PM:
--
That entry looks ok to me... the value would be entry 49 in the array (the next
one) looks different to entry 47 but both are valid destination values. What I
suspect is several string (key) entries. I was able to alter my file and
reproduce the error. Only one line is needed if one knows the key:
{code:java}
doc.getDocumentCatalog().findNamedDestinationPage(new
PDNamedDestination("add83"));
{code}
was (Author: tilman):
That entry looks ok to me... entry 49 (the next one) looks different to entry
47 but both are valid destinations. What I suspect is several string entries. I
was able to alter my file and reproduce the error. Only one line is needed if
one knows the key:
{code:java}
doc.getDocumentCatalog().findNamedDestinationPage(new
PDNamedDestination("add83"));
{code}
> 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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[jira] [Comment Edited] (PDFBOX-5975) Class cast exception in building PDDestinationNameTreeNode
[ https://issues.apache.org/jira/browse/PDFBOX-5975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17936917#comment-17936917 ] Tilman Hausherr edited comment on PDFBOX-5975 at 3/19/25 7:03 PM: -- In PDFDebugger switch to the "internal structure" view, the name tree should be below root, it's called "Names". !image-2025-03-19-20-03-09-702.png! If you can find where the "bad" element is, I'd love to see a screenshot. was (Author: tilman): In PDFDebugger switch to the "internal structure" view, the name tree should be below root, it's called "Names". !screenshot-1.png! If you can find where the "bad" element is, I'd love to see a screenshot. > 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: 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. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: dev-unsubscr...@pdfbox.apache.org For additional commands, e-mail: dev-h...@pdfbox.apache.org
[jira] [Comment Edited] (PDFBOX-5975) Class cast exception in building PDDestinationNameTreeNode
[ https://issues.apache.org/jira/browse/PDFBOX-5975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17936925#comment-17936925 ] Tilman Hausherr edited comment on PDFBOX-5975 at 3/19/25 8:03 PM: -- 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. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: dev-unsubscr...@pdfbox.apache.org For additional commands, e-mail: dev-h...@pdfbox.apache.org
[jira] [Comment Edited] (PDFBOX-5975) Class cast exception in building PDDestinationNameTreeNode
[ https://issues.apache.org/jira/browse/PDFBOX-5975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17936894#comment-17936894 ] Tilman Hausherr edited comment on PDFBOX-5975 at 3/19/25 5:26 PM: -- Do you have a file that shows the problem? I suspect it's an incorrect PDF, PDDestinationNameTreeNode should hold "Name -> PageDestination" relations. But if I'm right about that, then we should catch incorrect entries. was (Author: tilman): Do you have a file that shows the problem? > 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 > > 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. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: dev-unsubscr...@pdfbox.apache.org For additional commands, e-mail: dev-h...@pdfbox.apache.org
