I am one of the developers in GIMP-help-2 (http://www.gimp.org/docs/) project. Recently we plan to convert XML files to PDF, I just try fop. Unfortunately it have not worked for Chinese docs. It complained of hundreds of "No spaces to justify text in line", and ended with "Exception in thread "main" java.lang.OutOfMemoryError: Java heap space". Cai Qian
Have a look at the FAQ entry regarding memory problems. In your case, I suspect embedding the font contributes significantly to the problem. Please discuss details on the FOP mailing list. *** This bug has been marked as a duplicate of 1063 ***
batch transition to closed remaining pre-FOP1.0 resolved bugs