Currently, the easiest way set this up is to use the beta bundle…
I am testing two bundles now… one for Jython and another one for the libraries. I hope to have these out this weekend and with any luck they will get included in a 2.5 release.
If you are not seeing any log entries, I’d guess that you probably do not have the logging setup properly. What do you see after running log:get in the console?