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https://issues.apache.org/jira/browse/PDFBOX-3627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marco Monacelli updated PDFBOX-3627:
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Attachment: patch_from_version_2.0.3
I have create a fix for versione 2.0.3 and never
The problem is in searchNearestValue function particularly when the current
offset is distant only one byte from next xref.
In this case the difference is -1 and cause a wrong evaluation of the next
condition. I then replaced the primitive type with an object and as a condition
I put null instead of -1.
I also added a check in checkXRefOffset function to delete the spaces, but this
second check is only to speed you can not apply the first.
> "/Prev loop at offset 77418" on a valid document
> ------------------------------------------------
>
> Key: PDFBOX-3627
> URL: https://issues.apache.org/jira/browse/PDFBOX-3627
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing
> Affects Versions: 2.0.3
> Environment: Windows 7 x64, JVM 1.8.0_101
> Reporter: Seva Alekseyev
> Attachments: CIT_2.pdf, patch_from_version_2.0.3
>
>
> On the attached document, which opens fine with Word, the PDDocument.load()
> is throwing an error:
> java.io.IOException: /Prev loop at offset 77418
> at org.apache.pdfbox.pdfparser.COSParser.parseXref(COSParser.java:320)
> at
> org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:194)
> at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:252)
> at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:966)
> at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:922)
> at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:870)
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