GUI applications logging to stdout will go to /var/log/system.log on Mac OS X platform.
But this does not seem to be the right place to log Debug information as
14.02.09 13:10:21 [0x0-0xab0ab].PasswordSafeSWT 14.02.2009 13:10:21 org.pwsafe.passwordsafeswt.PasswordSafeJFace main
14.02.09 13:10:21 [0x0-0xab0ab].PasswordSafeSWT INFO: PasswordSafe starting...
Could you please consider to put the (rotating) logs on Mac's either in