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https://issues.apache.org/jira/browse/PDFBOX-2976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14955290#comment-14955290
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Andreas Lehmkühler commented on PDFBOX-2976:
--------------------------------------------
I ran a simple test (extract 100 single pages from the pdf spec, 10 times) and
couldn't find any significant differences wrt the performance.
> java.util.zip.DataFormatException: incorrect data check
> -------------------------------------------------------
>
> Key: PDFBOX-2976
> URL: https://issues.apache.org/jira/browse/PDFBOX-2976
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing
> Affects Versions: 2.0.0
> Environment: Linux Mint 17.2 x64, JDK7u79, Glassfish 3.1.2.2
> Reporter: Felix Rudolphi
> Assignee: Andreas Lehmkühler
> Attachments: PDFBOX2976_FlateFilter2.patch, sc-356376(1)-x.pdf,
> sc-356376(1).pdf, sc-356376-x.pdf, sc-356376.pdf
>
> Original Estimate: 3h
> Remaining Estimate: 3h
>
> When trying to open certain PDF files (examples attached, also any MSDS
> available at http://www.scbt.com/datasheet-356376.html ), an expection is
> thrown resulting in the file not being parsed:
> java.io.IOException: java.util.zip.DataFormatException: incorrect data check
> at org.apache.pdfbox.filter.FlateFilter.decode(FlateFilter.java:83)
> at org.apache.pdfbox.cos.COSInputStream.create(COSInputStream.java:78)
> at org.apache.pdfbox.cos.COSStream.createInputStream(COSStream.java:160)
> at
> org.apache.pdfbox.cos.COSStream.getUnfilteredStream(COSStream.java:143)
> at org.apache.pdfbox.pdmodel.PDPage.getContents(PDPage.java:148)
> at
> org.apache.pdfbox.pdfparser.PDFStreamParser.<init>(PDFStreamParser.java:92)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:450)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:437)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:148)
> at
> org.apache.pdfbox.text.PDFTextStreamEngine.processPage(PDFTextStreamEngine.java:117)
> at
> org.apache.pdfbox.text.PDFTextStripper.processPage(PDFTextStripper.java:367)
> at
> org.apache.pdfbox.text.PDFTextStripper.processPages(PDFTextStripper.java:303)
> at
> org.apache.pdfbox.text.PDFTextStripper.writeText(PDFTextStripper.java:248)
> at
> org.apache.pdfbox.text.PDFTextStripper.getText(PDFTextStripper.java:209)
> -- or --
> java.io.IOException: java.util.zip.DataFormatException: incorrect data check
> at org.apache.pdfbox.filter.FlateFilter.decode(FlateFilter.java:83)
> at org.apache.pdfbox.cos.COSInputStream.create(COSInputStream.java:78)
> at org.apache.pdfbox.cos.COSStream.createInputStream(COSStream.java:160)
> at
> org.apache.pdfbox.cos.COSStream.getUnfilteredStream(COSStream.java:143)
> at org.apache.pdfbox.pdmodel.PDPage.getContents(PDPage.java:148)
> at
> org.apache.pdfbox.pdfparser.PDFStreamParser.<init>(PDFStreamParser.java:92)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:450)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:437)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:148)
> at org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:179)
> at
> org.apache.pdfbox.rendering.PDFRenderer.renderPage(PDFRenderer.java:205)
> at
> org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:136)
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