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https://issues.apache.org/jira/browse/PDFBOX-3116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15018320#comment-15018320
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John Hewson commented on PDFBOX-3116:
-------------------------------------
I think the PDF spec has an implementation note on the minimum size of a real.
It's not a requirement but it might be a good lead to follow.
> COSNumber NumberFormatException for large number
> ------------------------------------------------
>
> Key: PDFBOX-3116
> URL: https://issues.apache.org/jira/browse/PDFBOX-3116
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing
> Affects Versions: 2.0.0
> Reporter: Andrei T
> Priority: Minor
> Attachments: source.pdf
>
>
> When trying to load a pdf containing the following:
> <</Type/Pattern/TilingType 2/Resources 52 0 R/XStep
> 32767/BBox[-89884656743115785407263711865852178399035283762922498299458738401578630390014269380294779316383439085770229476757191232117160663444732091384233773351768758493024955288275641038122745045194664472037934254227566971152291618451611474082904279666061674137398913102072361584369088590459649940625202013092062429184
>
> -89884656743115785407263711865852178399035283762922498299458738401578630390014269380294779316383439085770229476757191232117160663444732091384233773351768758493024955288275641038122745045194664472037934254227566971152291618451611474082904279666061674137398913102072361584369088590459649940625202013092062429184
>
> 89884656743115785407263711865852178399035283762922498299458738401578630390014269380294779316383439085770229476757191232117160663444732091384233773351768758493024955288275641038122745045194664472037934254227566971152291618451611474082904279666061674137398913102072361584369088590459649940625202013092062429184
>
> 89884656743115785407263711865852178399035283762922498299458738401578630390014269380294779316383439085770229476757191232117160663444732091384233773351768758493024955288275641038122745045194664472037934254227566971152291618451611474082904279666061674137398913102072361584369088590459649940625202013092062429184]/Matrix[0.61
> 0 0 -0.601 0 0.319]/YStep 32767/Length 28563/Filter/FlateDecode/PatternType
> 1/PaintType 1>>stream
> I get a NumberFormatException in
> at org.apache.pdfbox.cos.COSNumber.get(COSNumber.java:109)
> at
> org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:929)
> at
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSArray(BaseParser.java:648)
> at
> org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:856)
> at
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryValue(BaseParser.java:148)
> at
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryNameValuePair(BaseParser.java:272)
> at
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionary(BaseParser.java:205)
> at
> org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:844)
> at
> org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:751)
> at
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:720)
> at
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:651)
> at
> org.apache.pdfbox.pdfparser.COSParser.parseDictObjects(COSParser.java:612)
> at
> org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:203)
> at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:230)
> at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:972)
> at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:876)
> Adobe Reader and Chrome consider it a valid pdf and it load it.
>
> I cannot share the PDF because of copyright issues, but I reproduced it with
> :"pdfbox\src\test\resources\input\rendering\source.pdf" from
> pdfbox-2.0.0-RC1-src.zip.
> Changing the value 0 from "/BBox [0 0 2480 3508]" to
> -89884656743115785407263711865852178399035283762922498299458738401578630390014269380294779316383439085770229476757191232117160663444732091384233773351768758493024955288275641038122745045194664472037934254227566971152291618451611474082904279666061674137398913102072361584369088590459649940625202013092062429184
>
> throws the exception.
> Using "new COSFloat(number)" works in this case.
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