This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
Possibly JBoss is not even using that properties file. Do the log entries you see match the conversion pattern you used? Try changing the conversion pattern to something different and see if the format of the log entries changes. Those tests should tell you whether JBoss is using your properties file or some other properties file.