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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (Jira)" <ji...@apache.org> on 2022/08/04 18:00:00 UTC

[jira] [Updated] (PDFBOX-5485) Stackoverflow writing out a subset of PDF pages - COSWriterObjectStream

     [ https://issues.apache.org/jira/browse/PDFBOX-5485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tilman Hausherr updated PDFBOX-5485:
------------------------------------
    Affects Version/s: 3.0.0 PDFBox
                           (was: 3.0.0 JBIG2)

> Stackoverflow writing out a subset of PDF pages - COSWriterObjectStream
> -----------------------------------------------------------------------
>
>                 Key: PDFBOX-5485
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-5485
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Writing
>    Affects Versions: 3.0.0 PDFBox
>         Environment: MacOS, but likely not OS specific.
>            Reporter: Owen McGovern
>            Priority: Major
>
> Version:  org.apache.pdfbox:pdfbox:3.0.0-alpha3
>  
> In a subset of PDFs I process, I cannot extract a range of PDF pages and write them out to a new PDF.   ( As part of test code )
> Here's the Kotlin code I use 
> {code:java}
> fun extractPages(documentName: String, fromPage: Int, toPage: Int) : Path {
>    val pdfFile = Paths.get("data", "input", "PDFS", "${documentName}.pdf")
>    val pdfPagesFile = Paths.get("data", "input", "PDFS", "${documentName}_Page_$fromPage-$toPage.pdf")        
>    val pdfDoc = org.apache.pdfbox.Loader.loadPDF(pdfFile.toFile())
>    val pageExtractor = PageExtractor(pdfDoc, fromPage, toPage)        
>    val pdfPages = pageExtractor.extract()
>    pdfPages.save(pdfPagesFile.toFile())
>    return pdfPagesFile
> }{code}
> It doesn't occur in all PDFS... maybe 10-20% of the PDFs I use. 
>  
> The a slice of the stack trace is 
> {code:java}
> java.lang.StackOverflowError
>     at java.base/java.util.HashMap.tableSizeFor(HashMap.java:380)
>     at java.base/java.util.HashMap.<init>(HashMap.java:453)
>     at java.base/java.util.LinkedHashMap.<init>(LinkedHashMap.java:347)
>     at java.base/java.util.HashSet.<init>(HashSet.java:162)
>     at java.base/java.util.LinkedHashSet.<init>(LinkedHashSet.java:154)
>     at org.apache.pdfbox.util.SmallMap.entrySet(SmallMap.java:380)
>     at org.apache.pdfbox.cos.COSDictionary.entrySet(COSDictionary.java:1225)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeCOSDictionary(COSWriterObjectStream.java:336)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeObject(COSWriterObjectStream.java:230)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeCOSArray(COSWriterObjectStream.java:319)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeObject(COSWriterObjectStream.java:226)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeCOSDictionary(COSWriterObjectStream.java:341)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeObject(COSWriterObjectStream.java:230)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeCOSDictionary(COSWriterObjectStream.java:341)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeObject(COSWriterObjectStream.java:230)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeCOSArray(COSWriterObjectStream.java:319)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeObject(COSWriterObjectStream.java:226)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeCOSDictionary(COSWriterObjectStream.java:341)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeObject(COSWriterObjectStream.java:230)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeCOSDictionary(COSWriterObjectStream.java:341)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeObject(COSWriterObjectStream.java:230)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeCOSArray(COSWriterObjectStream.java:319)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeObject(COSWriterObjectStream.java:226)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeCOSDictionary(COSWriterObjectStream.java:341)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeObject(COSWriterObjectStream.java:230)
>     at org.apache.pdfbox.pdfwriter.compress.COSWriterObjectStream.writeCOSDictionary(COSWriterObjectStream.java:341) {code}
> As I mentioned, hits some PDFs, not all.
> I legally cannot share the original source PDFs but it looks like a recursive loop in writeCOSDictionary and writeObject in COSWriterObjectStream.



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