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https://issues.apache.org/jira/browse/PDFBOX-3403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15367241#comment-15367241
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John Hewson commented on PDFBOX-3403:
-------------------------------------

We don't check consistency. This was a runtime exception due to an invalid API 
call. That particular API does a sanity check on its arguments, because our 
code must normalise those arguments. In this case that normalisation was not 
happening because we had neglected to implement MacExpertEncoding. Note that 
without the normalisation occurring all bets are off and PDFBox would proceed 
in an invalid manner most likely concluding with a NullPointerException 
somewhere downstream.

> IllegalArgumentException: Symbolic fonts must have a built-in encoding
> ----------------------------------------------------------------------
>
>                 Key: PDFBOX-3403
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3403
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 2.0.2, 2.0.3, 2.1.0
>            Reporter: Tilman Hausherr
>            Assignee: Tilman Hausherr
>             Fix For: 2.0.3, 2.1.0
>
>         Attachments: PDFBOX-3403-XXX.pdf, PDFBOX-3403-YYY.pdf, PDFBOX-3403.pdf
>
>
> Happens with text extraction and rendering:
> {code}
> Exception in thread "main" java.lang.IllegalArgumentException: Symbolic fonts 
> must have a built-in encoding
>       at 
> org.apache.pdfbox.pdmodel.font.encoding.DictionaryEncoding.<init>(DictionaryEncoding.java:113)
>       at 
> org.apache.pdfbox.pdmodel.font.PDSimpleFont.readEncoding(PDSimpleFont.java:126)
>       at 
> org.apache.pdfbox.pdmodel.font.PDType1CFont.<init>(PDType1CFont.java:131)
>       at 
> org.apache.pdfbox.pdmodel.font.PDFontFactory.createFont(PDFontFactory.java:60)
>       at org.apache.pdfbox.pdmodel.PDResources.getFont(PDResources.java:123)
>       at 
> org.apache.pdfbox.contentstream.operator.text.SetFontAndSize.process(SetFontAndSize.java:60)
>       at 
> org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:829)
> {code}



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