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https://issues.apache.org/jira/browse/PDFBOX-1738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13915479#comment-13915479
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Tilman Hausherr edited comment on PDFBOX-1738 at 2/28/14 6:03 AM:
------------------------------------------------------------------

Here's what I get with the unreleased 2.0 version, which is more lenient 
towards malformed PDF files:

Exception in file: cruz 1.11.pdf
java.io.IOException: Premature end of file while dereferencing object xref at 
offset 121313
        at 
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.calculateFixingOffset(NonSequentialPDFParser.java:1882)
        at 
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.calculateFixingOffset(NonSequentialPDFParser.java:1759)
        at 
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.initialParse(NonSequentialPDFParser.java:370)
        at 
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.parse(NonSequentialPDFParser.java:741)
        at org.apache.pdfbox.pdmodel.PDDocument.loadNonSeq(PDDocument.java:1153)
        at org.apache.pdfbox.pdmodel.PDDocument.loadNonSeq(PDDocument.java:1136)

(...)

A look into the file shows that there are two EOFs, two xref tables, and this:

{code}
<<
/ABCpdf 6109
/ID [ <C779C69CAA1212B23218A42048BB74A3>
<EAEB4C0260D83CD46B7708AE8534F1EA> ]
/Length 0
/Prev 121313
/Root 30 0 R
/Size 48
/Type /XRef
>>                                                                              
>>                                                                      {code}

121313 is an offset outside the file. I wonder what software was used to create 
that file, the Adobe Viewer doesn't show any.


was (Author: tilman):
Exception in file: cruz 1.11.pdf
java.io.IOException: Premature end of file while dereferencing object xref at 
offset 121313
        at 
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.calculateFixingOffset(NonSequentialPDFParser.java:1882)
        at 
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.calculateFixingOffset(NonSequentialPDFParser.java:1759)
        at 
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.initialParse(NonSequentialPDFParser.java:370)
        at 
org.apache.pdfbox.pdfparser.NonSequentialPDFParser.parse(NonSequentialPDFParser.java:741)
        at org.apache.pdfbox.pdmodel.PDDocument.loadNonSeq(PDDocument.java:1153)
        at org.apache.pdfbox.pdmodel.PDDocument.loadNonSeq(PDDocument.java:1136)

(...)

A look into the file shows that there are two EOFs, two xref tables, and this:

{code}
<<
/ABCpdf 6109
/ID [ <C779C69CAA1212B23218A42048BB74A3>
<EAEB4C0260D83CD46B7708AE8534F1EA> ]
/Length 0
/Prev 121313
/Root 30 0 R
/Size 48
/Type /XRef
>>                                                                              
>>                                                                      {code}

121313 is an offset outside the file. I wonder what software was used to create 
that file, the Adobe Viewer doesn't show any.

> PDF with parsing Exception
> --------------------------
>
>                 Key: PDFBOX-1738
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-1738
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Parsing, Text extraction
>    Affects Versions: 1.8.2
>         Environment: Windows , java  1.6.0_17
>            Reporter: James Zou
>         Attachments: Cruz 1.11.pdf
>
>
> when extract a content from a pdf file, after getting this error, the process 
> hang!
> java.io.IOException: Error: Could not find font(COSName{Fabc21}) in 
> map={Fabc19=org.apache.pdfbox.pdmodel.font.PDTrueTypeFont@a0dcd9, 
> Fabc2=org.apache.pdfbox.pdmodel.font.PDType1Font@1d5550d, 
> Fabc3=org.apache.pdfbox.pdmodel.font.PDTrueTypeFont@c21495, 
> Fabc1=org.apache.pdfbox.pdmodel.font.PDTrueTypeFont@14b7453}
>       at 
> org.apache.pdfbox.util.operator.SetTextFont.process(SetTextFont.java:57)
>       at 
> org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:529)
>       at 
> org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:258)
>       at 
> org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:225)
>       at 
> org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:205)
>       at 
> org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:455)
>       at 
> org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:379)
>       at 
> org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:335)



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