The "Adobe Kozuka Mincho" font cannot be embedded into PDF document.
How to repeat
1. Get FOP from trunk@1806787
2. Get Font from the attachment
3. Use my config file and generate the PDF, there is no error reported.
4. Open the PDF file in Acro-Reader, it will report the "cannot extract the embedded font" error.
FOP-2697, Get font from Acrobat Reader Resource Folder,
This font is got from Adobe TypeKit.