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https://issues.apache.org/jira/browse/PDFBOX-5728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17793916#comment-17793916
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Daniel Gredler commented on PDFBOX-5728:
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The snapshot JAR at
[https://repository.apache.org/content/groups/snapshots/org/apache/pdfbox/fontbox/2.0.31-SNAPSHOT/fontbox-2.0.31-20231206.155729-21.jar]
does indeed fix the issue.
I'll attach my local font file as well, in case you need it for a unit test or
something.
Thanks!
> NullPointerException in TTFSubsetter.buildPostTable()
> -----------------------------------------------------
>
> Key: PDFBOX-5728
> URL: https://issues.apache.org/jira/browse/PDFBOX-5728
> Project: PDFBox
> Issue Type: Bug
> Components: FontBox
> Affects Versions: 2.0.28, 3.0.1 PDFBox
> Reporter: Daniel Gredler
> Priority: Major
> Fix For: 2.0.31, 3.0.2 PDFBox, 4.0.0
>
>
> It looks like `TTFSubsetter.buildPostTable()` can sometimes throw NPEs:
> java.lang.NullPointerException: null
> at
> org.apache.fontbox.ttf.TTFSubsetter.buildPostTable(TTFSubsetter.java:859)
> at
> org.apache.fontbox.ttf.TTFSubsetter.writeToStream(TTFSubsetter.java:971)
> Looking at the code, the `names` map keys are Strings that come from
> `PostScriptTable.getName(gid)`, which can sometimes return `null`. A few
> lines later, these possibly-null String keys are converted to bytes, at which
> point the system may throw a NPE.
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