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https://issues.apache.org/jira/browse/PDFBOX-5774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17819673#comment-17819673
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Tilman Hausherr commented on PDFBOX-5774:
-----------------------------------------

You can also try a snapshot:
https://repository.apache.org/content/groups/snapshots/org/apache/pdfbox/pdfbox-app/3.0.2-SNAPSHOT/


> NullPointerException in FontBox caused by system font
> -----------------------------------------------------
>
>                 Key: PDFBOX-5774
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-5774
>             Project: PDFBox
>          Issue Type: Bug
>          Components: FontBox
>    Affects Versions: 3.0.0 PDFBox
>         Environment: Fedora 39
> corretto-17.0.4.1
>            Reporter: Peter Brantsch
>            Priority: Major
>         Attachments: pdfbox-fontbox-mwe.zip
>
>
> The following NullPointerException occurs on a Fedora 39 machine:
> {code:none}
> java.lang.NullPointerException: Cannot invoke 
> "org.apache.fontbox.ttf.CFFTable.getFont()" because the return value of 
> "org.apache.fontbox.ttf.OpenTypeFont.getCFF()" is null
>       at 
> org.apache.pdfbox.pdmodel.font.FileSystemFontProvider.addTrueTypeFontImpl(FileSystemFontProvider.java:693)
>       at 
> org.apache.pdfbox.pdmodel.font.FileSystemFontProvider.addTrueTypeFont(FileSystemFontProvider.java:635)
>       at 
> org.apache.pdfbox.pdmodel.font.FileSystemFontProvider.scanFonts(FileSystemFontProvider.java:379)
>       at 
> org.apache.pdfbox.pdmodel.font.FileSystemFontProvider.<init>(FileSystemFontProvider.java:354)
>       at 
> org.apache.pdfbox.pdmodel.font.FontMapperImpl$DefaultFontProvider.<clinit>(FontMapperImpl.java:139)
>       ... 90 more
> {code}
> I have also found the offending font: "abattis-cantarell", installed as a 
> dependency of  gnome-shell, triggers the bug. After removing the 
> abattis-cantarell font files from my system, the exception did no longer 
> occur.



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