If anyone’s interested in getting involved in JRuby, I’ve posted a list
of bugs I think would be good for a first-time JRuby debugger to look
at. They range from IO to native code to core classes, but most should
be easy for someone knowledgable about the function domain to which
they’re related (and possible easy for someone not-so-knowledgable).
Feel free to reply here for questions on how to get started, or look at
the JRuby wiki at http://wiki.jruby.org. And I thank you in advance for
any help and input you can provide 
- Charlie