I notice in Java 7 the method I was using to determine the javaws path:
Has now been removed as com.sun.deploy.config.Config is now abstract in Java 7.
Does anyone know the best way to get the Javaws path that is compatable in both Java 6 and 7 and going forward?
Note for the future: never ever use com.sun.* classes; pretend they do not exist. Now you know why.
You may also want to look at the JNLP persistence service: