Recently I had to make my JBoss Seam web application support both English and Georgian. Naturally their character set is not to be found in ASCII, so I had to rely on JBoss Seam and Java's support for UTF-8.

Just performing the normal steps did not work for me though. I needed to convert my messages resource bundle to ASCII - using either the mentioned native2ascii tool which is part of the JDK, or in my case, Changing this in IntelliJ Idea: