[jira] [Updated] (PDFBOX-1151) StreamCorruptedException on bad PDF with -force

["Andreas Lehmkühler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-1151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Lehmkühler updated PDFBOX-1151:
---------------------------------------
    Affects Version/s: 2.0.0
                       1.8.7

> StreamCorruptedException on bad PDF with -force
> -----------------------------------------------
>
>                 Key: PDFBOX-1151
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-1151
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Text extraction
>    Affects Versions: 1.6.0, 1.8.7, 2.0.0
>         Environment: Windows Vista
> Sun JDK 1.6.0_26
>            Reporter: Stas Shaposhnikov
>         Attachments: PDFStreamEngine.patch, test.pdf
>
>
> I am getting the StreamCorruptedException when trying to parse a possibly invalid PDF document even if the -force option is specified.
> Stack trace:
> java.io.StreamCorruptedException: Error: data is null
> 	at org.apache.pdfbox.filter.LZWFilter.decode(LZWFilter.java:82)
> 	at org.apache.pdfbox.cos.COSStream.doDecode(COSStream.java:301)
> 	at org.apache.pdfbox.cos.COSStream.doDecode(COSStream.java:221)
> 	at org.apache.pdfbox.cos.COSStream.getUnfilteredStream(COSStream.java:156)
> 	at org.apache.pdfbox.pdfparser.PDFStreamParser.<init>(PDFStreamParser.java:105)
> 	at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:264)
> 	at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:251)
> 	at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:225)
> 	at org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:442)
> 	at org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:366)
> 	at org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:322)
> 	at org.apache.pdfbox.ExtractText.startExtraction(ExtractText.java:256)
> 	at org.apache.pdfbox.ExtractText.main(ExtractText.java:76)
> 	at org.apache.pdfbox.PDFBox.main(PDFBox.java:42)
> My suggestion is to skip bad sub-streams without throwing exceptions in PDFStreamEngine.processSubStream() in case of forceParsing is true.



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