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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2017/02/19 14:27:44 UTC

[jira] [Updated] (PDFBOX-3684) PDFBox StackOverflowError on malformed files when merging

     [ https://issues.apache.org/jira/browse/PDFBOX-3684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tilman Hausherr updated PDFBOX-3684:
------------------------------------
    Component/s: Writing

> PDFBox StackOverflowError on malformed files when merging
> ---------------------------------------------------------
>
>                 Key: PDFBOX-3684
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3684
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Utilities, Writing
>    Affects Versions: 2.0.4
>            Reporter: Andrii Radistao
>             Fix For: 2.0.5, 2.1.0
>
>         Attachments: certificate-of-analysis.pdf, questionario-sulle.pdf, questionario-sulle+SDE.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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