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https://issues.apache.org/jira/browse/PDFBOX-5059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17257937#comment-17257937
 ] 

Tilman Hausherr commented on PDFBOX-5059:
-----------------------------------------

It means that your PDF does not respect the PDF specification, due to a 
software bug in the software that created the file. The related issue 
PDFBOX-4495 has an explanation. Also try opening your file with NOTEPAD++ and 
go to byte offset (not line offset!) 4932600 and see how it looks.

Maybe the Adobe Viewer displays the file, but this only means that it has a 
better error recovery.

> java.io.IOException: expected number, actual=COSFloat{18446744073521659909} 
> at offset 4932600
> ---------------------------------------------------------------------------------------------
>
>                 Key: PDFBOX-5059
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-5059
>             Project: PDFBox
>          Issue Type: Bug
>    Affects Versions: 2.0.3
>         Environment: linux
>            Reporter: Ling Hock Hin, Daniel
>            Priority: Major
>
> Encountered this error while trying to upload pdf. Seems to apply only for 
> certain pdfs. Can't share more due to confidentiality.
>  
> java.io.IOException: expected number, actual=COSFloat\{18446744073521659909} 
> at offset 4932600java.io.IOException: expected number, 
> actual=COSFloat\{18446744073521659909} at offset 4932600 at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryValue(BaseParser.java:162)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryNameValuePair(BaseParser.java:274)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionary(BaseParser.java:207)
>  at 
> org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:854) at 
> org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:757) at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:726)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:657)
>  at 
> org.apache.pdfbox.pdfparser.COSParser.parseDictObjects(COSParser.java:617) at 
> org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:215) at 
> org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:249) at 
> org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1093) at 
> org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1071) at 
> org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1053) at 
> org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1038)



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