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https://issues.apache.org/jira/browse/PDFBOX-3769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15986039#comment-15986039
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Tilman Hausherr commented on PDFBOX-3769:
-----------------------------------------
Please build a project with this code:
{code}
System.out.println(Arrays.toString(ImageIO.getReaderFormatNames()));
{code}
and attach only one or the other JBIG2 decoder, or both. What is the output you
get?
Btw in your command lines you don't need bc, commons log, diffutils, fontbox
and hamcrest. These are for testing only / are in the pdfbox-app jar.
> Cannot read JBIG2 image when JBIG2-Image-Decoder is in path
> -----------------------------------------------------------
>
> Key: PDFBOX-3769
> URL: https://issues.apache.org/jira/browse/PDFBOX-3769
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.5
> Environment: Windows 10
> Reporter: Esteban Nicolas Ruiz
> Attachments: jbig2.pdf
>
>
> I understand from the "Dependencies" page
> (https://pdfbox.apache.org/2.0/dependencies.html) that "JBIG2 ImageIO" and
> "JBIG2-Image-Decoder" should be interchangeable but I get the following error
> message when using JBIG2-Image-Decoder:
> GRAVE: Cannot read JBIG2 image: jbig2-imageio is not installed
> Command line is:
> java -cp
> "JBIG2-Image-Decoder.jar;bcmail-jdk15on-1.54.jar;bcpkix-jdk15on-1.54.jar;bcprov-jdk15on-1.54.jar;commons-logging-1.2.jar;diffutils-1.3.0.jar;fontbox-2.0.5.jar;hamcrest-core-1.3.jar;jai-imageio-core-1.3.1.jar;jai-imageio-jpeg2000-1.3.0.jar;junit-4.12.jar;JBIG2-Image-Decoder.jar;pdfbox-app-2.0.5.jar"
> org.apache.pdfbox.tools.PDFToImage jbig2.pdf
> If I change JBIG2-Image-Decoder.jar for levigo-jbig2-imageio-1.6.5.jar then
> conversion is successfull:
> java -cp
> "levigo-jbig2-imageio-1.6.5.jar;bcmail-jdk15on-1.54.jar;bcpkix-jdk15on-1.54.jar;bcprov-jdk15on-1.54.jar;commons-logging-1.2.jar;diffutils-1.3.0.jar;fontbox-2.0.5.jar;hamcrest-core-1.3.jar;jai-imageio-core-1.3.1.jar;jai-imageio-jpeg2000-1.3.0.jar;junit-4.12.jar;JBIG2-Image-Decoder.jar;pdfbox-app-2.0.5.jar"
> org.apache.pdfbox.tools.PDFToImage jbig2.pdf
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