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https://issues.apache.org/jira/browse/PDFBOX-4965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17569779#comment-17569779
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Tilman Hausherr commented on PDFBOX-4965:
-----------------------------------------
The current version is 2.0.26 and we solved another bug that involved a
recursion within a single dictionary (reference to itself). IMHO this here
isn't a bug at all, it's just a very complex PDF.
> Stack overflow in PDFCloneUtility
> ---------------------------------
>
> Key: PDFBOX-4965
> URL: https://issues.apache.org/jira/browse/PDFBOX-4965
> Project: PDFBox
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.0.21
> Environment: FreeBSD
> Reporter: Dennis Noordsij
> Priority: Minor
>
> My production system crashed with the following trace:
> java.lang.StackOverflowError
> at java.util.HashMap.hash(HashMap.java:339)
> at java.util.HashMap.get(HashMap.java:557)
> at
> org.apache.pdfbox.multipdf.PDFCloneUtility.cloneForNewDocument(PDFCloneUtility.java:81)
> at
> org.apache.pdfbox.multipdf.PDFCloneUtility.cloneForNewDocument(PDFCloneUtility.java:146)
> at
> org.apache.pdfbox.multipdf.PDFCloneUtility.cloneForNewDocument(PDFCloneUtility.java:109)
> at
> org.apache.pdfbox.multipdf.PDFCloneUtility.cloneForNewDocument(PDFCloneUtility.java:146)
> at
> org.apache.pdfbox.multipdf.PDFCloneUtility.cloneForNewDocument(PDFCloneUtility.java:109)
> at
> org.apache.pdfbox.multipdf.PDFCloneUtility.cloneForNewDocument(PDFCloneUtility.java:146)
> (repeated)
>
> We do a lot with PDF files and I don't have the actual PDF or action which
> caused this at the moment, but perhaps this already rings a bell with someone
> of what kind of bug this could be or wether I am doing something strange?
>
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