I am running on a Mac as well. Mac Mini 1.43 PPC with a gig of ram and running 10.4.9 with JRE 1.5.0_07. I get the splash screen and then it dies.
This is what i get in Console:
#### Java Web Start Error:
#### The application has requested a version of the JRE (version 1.6+) that currently is not locally installed. Java Web Start is unable to automatically download and install the requested version. This JRE must be installed manually.
2007-04-14 13:41:33.207 Camino[597] JEP creating applet testvm (http://java.com/applet/)
TestVM 3.1 kc
Copyright (c) 2005 Sun Microsystems, Inc.
All Rights Reserved.
As JRE 1.6 is only released as a development pack on mac I feel uncomfortable installing it. I'm hearing it will be standard issue in Leopard though.
I am unsure if there is anything else I might be able to do to get it to run. thanks