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https://issues.apache.org/jira/browse/PDFBOX-3684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15862869#comment-15862869
]
Maruan Sahyoun commented on PDFBOX-3684:
----------------------------------------
the merged result [^v1.8.13-PdfMergerAddSourceTest-questionario-sulle] doesn't
contain the page from [^certificate-of-analysis.pdf]. It has only 2 pages where
it should have 3.
> PDF box crashes on mal-formed files
> -----------------------------------
>
> Key: PDFBOX-3684
> URL: https://issues.apache.org/jira/browse/PDFBOX-3684
> Project: PDFBox
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.0.4
> Reporter: Andrii Radistao
> Attachments: certificate-of-analysis.pdf, questionario-sulle.pdf,
> radistao-pdfbox-merge-bug.zip,
> v1.8.13-PdfMergerAddSourceTest-questionario-sulle.pdf
>
>
> I supply 2 PDF files (_certificate-of-analysis.pdf_ and
> _questionario-sulle.pdf_) which cause an exception if i try to merge them
> using {{PDFMergerUtility}}.
> I've implemented code examples which run to the exceptions:
> https://bitbucket.org/radistao/pdfbox-merge-bug/
> or just take the same sources from the attached
> [radistao-pdfbox-merge-bug.zip|https://issues.apache.org/jira/secure/attachment/12852256/radistao-pdfbox-merge-bug.zip]
> Those 2 files are included into the repository ({{test/resources/}}).
> Error stack trace for _certificate-of-analysis.pdf_:
> * using {{addSource()}}:
> {quote}java.lang.StackOverflowError
> at java.util.HashMap.hash(HashMap.java:338)
> at java.util.HashMap.containsKey(HashMap.java:595)
> at java.util.HashSet.contains(HashSet.java:203)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.addObjectToWrite(COSWriter.java:472)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromArray(COSWriter.java:927)
> at org.apache.pdfbox.cos.COSArray.accept(COSArray.java:515)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromDictionary(COSWriter.java:1061)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromDictionary(COSWriter.java:1020)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromDictionary(COSWriter.java:1020)
> {quote}
> * using {{appendDocument()}}
> {quote}org.apache.pdfbox.cos.COSDocument finalize
> WARNING: Warning: You did not close a PDF Document
> org.apache.pdfbox.cos.COSDocument finalize
> WARNING: Warning: You did not close a PDF Document
> org.apache.pdfbox.cos.COSDocument finalize
> WARNING: Warning: You did not close a PDF Document
> org.apache.pdfbox.cos.COSDocument finalize
> WARNING: Warning: You did not close a PDF Document
> org.apache.pdfbox.cos.COSDocument finalize
> WARNING: Warning: You did not close a PDF Document
> java.lang.StackOverflowError
> at
> org.apache.pdfbox.pdfwriter.COSWriter.getObjectKey(COSWriter.java:892)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.writeReference(COSWriter.java:1175)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromArray(COSWriter.java:928)
> at org.apache.pdfbox.cos.COSArray.accept(COSArray.java:515)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromDictionary(COSWriter.java:1061)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromDictionary(COSWriter.java:1020)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromDictionary(COSWriter.java:1020)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromDictionary(COSWriter.java:1020)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromDictionary(COSWriter.java:1020)
> {quote}
> Note: in version 1.8.13 (see
> https://bitbucket.org/radistao/pdfbox-merge-bug/branch/test/v1.8.13) file
> _questionario-sulle.pdf_ merged fine (see attached merge result
> [v1.8.13-PdfMergerAddSourceTest-questionario-sulle.pdf|https://issues.apache.org/jira/secure/attachment/12852259/v1.8.13-PdfMergerAddSourceTest-questionario-sulle.pdf]),
> but with just warnings:
> {quote}org.apache.pdfbox.pdfparser.PDFParser parseObject
> WARNING: expected='%%EOF' actual=''
> org.apache.pdfbox.pdfparser.XrefTrailerResolver setStartxref
> WARNING: Did not found XRef object at specified startxref position 0{quote}
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