On Linux systems running Launch4J from path that contains spaces will not work. Also running launch4j command with a argument being a path to an XML configuration file that contains spaces will not work correclty.
The reason for this is lack of proper escaping of commands in 'launch4j' script.
Uploading fixed startup script as an attachment.
2012-12-06 13:56:34 PST in Launch4j Executab...