Debugging cucumber steps under JRuby

One of my standard techniques for working with cucumber is to use the
ruby debugger to stop in a step definition, e.g.

When “I visit root” do
visit “/”
1 # to stop debugger going into cuke code

If I do this under mri and look at ‘self’ I get a Cucumber::Rails::World

If I do this under JRuby and look at ‘self’ I get main

This effectively means I can’t debug under JRuby. (1.6.4)

If anyone can help with this I’d be most grateful

All best


Andrew P.