Hello, this is a very nice project. I could simple use it and put all dependencies into my fat jar. Then i can start it with java -jar my.jar and the One-JAR bootloader make the offcu.
At the moment there is a problem with usage as applet or jnlp start.
But in the forum is a solution given by npgall at: http://sourceforge.net/projects/one-jar/forums/forum/380844/topic/1770426