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https://issues.apache.org/jira/browse/PDFBOX-4243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16506974#comment-16506974
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Tilman Hausherr commented on PDFBOX-4243:
-----------------------------------------
Normally I'd say that the PDF file is corrupt, due to that stream that can't be
deflated (object 38 of page 20). However I tried displaying the file with
several other tools and none of them displayed an error message.
> DataFormatException: "invalid stored block lengths" in FlateFilter
> ------------------------------------------------------------------
>
> Key: PDFBOX-4243
> URL: https://issues.apache.org/jira/browse/PDFBOX-4243
> Project: PDFBox
> Issue Type: Bug
> Components: Text extraction
> Affects Versions: 2.0.8, 2.0.9
> Environment: Java 8 update 172
> Tika parsers 1.17 (and 1.18)
> Windows 7 (and server 2012)
> Reporter: Isabelle Giguere
> Priority: Major
> Attachments: IN_THE_UNITED_STATES_DISTRICT_COURT_(78).pdf
>
>
> 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
> {noformat}
> 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
> {noformat}
> Thank you for looking into this.
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