Jens Meyborn created PDFBOX-6105:
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Summary: German umlauts are not rendered
Key: PDFBOX-6105
URL: https://issues.apache.org/jira/browse/PDFBOX-6105
Project: PDFBox
Issue Type: Bug
Components: Rendering
Affects Versions: 3.0.6 PDFBox, 3.0.5 PDFBox, 3.0.4 PDFBox, 3.0.3 PDFBox,
2.0.35, 2.0.34, 2.0.33, 2.0.32
Reporter: Jens Meyborn
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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