[PDFBOX-4243] DataFormatException: "invalid stored block lengths" in FlateFilter

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 2.0.8, 2.0.9
• Component/s: Text extraction
• Environment: Java 8 update 172 ; Tika parsers 1.17 (and 1.18) ; Windows 7 (and server 2012)
• Assignee: Unassigned
• Reporter: Isabelle Giguere
• Created: 08/Jun/18 21:20
• Updated: 11/Jun/18 16:59
• Resolved: 11/Jun/18 16:59

Description

The attached PDF document causes this exception.  Similar to PDFBOX-3546, but probably not the same root cause.

Observed using Tika 1.17 + PDF Box 2.0.8, and with Tika 1.18 + PDF Box 2.0.9

org.apache.tika.exception.TikaException: Unable to extract PDF content
    at org.apache.tika.parser.pdf.PDF2XHTML.process(PDF2XHTML.java:139)
    at org.apache.tika.parser.pdf.PDFParser.parse(PDFParser.java:171)
    at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:280)
    at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:280)
    at org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:143)
    at test.conversion.tika.Conversion.parse(Conversion.java:56)
    at test.conversion.tika.Conversion.main(Conversion.java:40)
Caused by: java.io.IOException: java.util.zip.DataFormatException: invalid stored block lengths
    at org.apache.pdfbox.filter.FlateFilter.decode(FlateFilter.java:83)
    at org.apache.pdfbox.filter.Filter.decode(Filter.java:87)
    at org.apache.pdfbox.cos.COSInputStream.create(COSInputStream.java:77)
    at org.apache.pdfbox.cos.COSStream.createInputStream(COSStream.java:175)
    at org.apache.pdfbox.cos.COSStream.createInputStream(COSStream.java:163)
    at org.apache.pdfbox.pdmodel.PDPage.getContents(PDPage.java:157)
    at org.apache.pdfbox.pdfparser.PDFStreamParser.<init>(PDFStreamParser.java:91)
    at org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:493)
    at org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:477)
    at org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:150)
    at org.apache.pdfbox.text.LegacyPDFStreamEngine.processPage(LegacyPDFStreamEngine.java:139)
    at org.apache.pdfbox.text.PDFTextStripper.processPage(PDFTextStripper.java:391)
    at org.apache.tika.parser.pdf.PDF2XHTML.processPage(PDF2XHTML.java:147)
    at org.apache.pdfbox.text.PDFTextStripper.processPages(PDFTextStripper.java:319)
    at org.apache.pdfbox.text.PDFTextStripper.writeText(PDFTextStripper.java:266)
    at org.apache.tika.parser.pdf.PDF2XHTML.process(PDF2XHTML.java:117)
    ... 6 more
Caused by: java.util.zip.DataFormatException: invalid stored block lengths
    at java.util.zip.Inflater.inflateBytes(Native Method)
    at java.util.zip.Inflater.inflate(Inflater.java:259)
    at java.util.zip.Inflater.inflate(Inflater.java:280)
    at org.apache.pdfbox.filter.FlateFilter.decompress(FlateFilter.java:108)
    at org.apache.pdfbox.filter.FlateFilter.decode(FlateFilter.java:74)
    ... 21 more

Thank you for looking into this.