[jira] [Created] (PDFBOX-3923) Expected a long type at offset 52152, instead got 'xref'

["Tres Finocchiaro (JIRA)" <ji...@apache.org>]

Tres Finocchiaro created PDFBOX-3923:
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             Summary: Expected a long type at offset 52152, instead got 'xref'
                 Key: PDFBOX-3923
                 URL: https://issues.apache.org/jira/browse/PDFBOX-3923
             Project: PDFBox
          Issue Type: Bug
          Components: Parsing
    Affects Versions: 2.0.7, 2.0.0
         Environment: Java 1.8.0_144-b01
            Reporter: Tres Finocchiaro
         Attachments: P17090403580.pdf

This reads as a duplicate of PDFBOX-2441, PDFBOX-3179 and several others marked as resolved in 2.0.0 however this bug is reproducible in PDFBOX 2.0.0 as well as PDFBOX 2.0.7.

The attached PDF file is parsable by Chrome (PDFium), Mozilla (pdf.js), Edge, Windows 10 Reader and Adobe Acrobat but fails using PDFBOX 2.0.0 and PDFBOX 2.0.7 with the following error.


{code}
Exception in thread "main" java.io.IOException: Error: Expected a long type at offset 52152, instead got 'xref'
        at org.apache.pdfbox.pdfparser.BaseParser.readLong(BaseParser.java:1358)
        at org.apache.pdfbox.pdfparser.BaseParser.readObjectNumber(BaseParser.java:1286)
        at org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:760)
        at org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:742)
        at org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:673)
        at org.apache.pdfbox.pdfparser.COSParser.parseDictObjects(COSParser.java:633)
        at org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:241)
        at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:276)
        at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1011)
        at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:949)
        at org.apache.pdfbox.tools.PrintPDF.main(PrintPDF.java:140)
        at org.apache.pdfbox.tools.PDFBox.main(PDFBox.java:72)
Caused by: java.lang.NumberFormatException: For input string: "xref"
        at java.lang.NumberFormatException.forInputString(Unknown Source)
        at java.lang.Long.parseLong(Unknown Source)
        at java.lang.Long.parseLong(Unknown Source)
        at org.apache.pdfbox.pdfparser.BaseParser.readLong(BaseParser.java:1353)
        ... 11 more
{code}

We do not generate this PDF file so we are unaware of the origin but the creator has given permission to share this file publicly for troubleshooting purposes.  We can ask any questions to the creator upon request.



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