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https://issues.apache.org/jira/browse/PDFBOX-6105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-6105:
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Component/s: FontBox
> German umlauts are not rendered
> -------------------------------
>
> Key: PDFBOX-6105
> URL: https://issues.apache.org/jira/browse/PDFBOX-6105
> Project: PDFBox
> Issue Type: Bug
> Components: FontBox, Rendering
> Affects Versions: 2.0.32, 2.0.33, 2.0.34, 2.0.35, 3.0.3 PDFBox, 3.0.4
> PDFBox, 3.0.5 PDFBox, 3.0.6 PDFBox
> Reporter: Jens Meyborn
> Priority: Major
> Attachments: PdfToPngPDFBox-2.java, test-1.pdf, test_2.0.31.png,
> test_2.0.32.png, test_3.0.2.png, test_3.0.3.png
>
>
> We use pdfbox to create a png preview from a pdf.
> With the attached test.pdf we have a special issue.
> With older pdfbox versions (<=2.0.31 or <= 3.0.2) the umlauts are rendered
> correctly into the png. (see test_2.0.31.png or test_3.0.2.png )
> Whereas with newer versions (2.0.32 - 2.0.35 or 3.0.3 - 3.0.6) the umlauts
> are missing (see test_2.0.32.png or test_3.0.3.png )
> and errors are logged:
> {{Nov 25, 2025 4:10:55 PM org.apache.fontbox.ttf.GlyfCompositeDescript
> initDescriptions}}
> {{SEVERE: java.io.IOException: composite glyph maximum level reached.}}
> The test.pdf has no issues in Acrobat, Chrome or ghostview.
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