For those of you looking to start helping JRuby along, here's a few open 1.0.2 bugs that would be pretty easy for a newb to look at. They'd also help you get your first taste of JRuby internals. Good eatin!
This should help get you started:
Update: Fixed, thanks to Mathias Biilmann Christensen.)
- Attempting File.open('foo', 'w') when './foo' is a directory raises Errno:ERNOENT, but should raise Errno:EISDIR
Update: Fixed! Ola had already repaired it, but not closed the bug.)
Update: Fixed, thanks to Riley Lynch.)