No errors in Debug tab for Node.JS?

I’m start learning Node.JS (because I’m boring of learning PHP).
And there is some strange bug: if I enable Debug in separate console - it’s show me an errors in the Komodo Debug output, but if not - It’s doesn’t show me anything but only result of code without any errors.
Komodo IDE9, Mac OSX 10.9, latest node.js downloaded from

Yeah I’ve noticed this too, logged a bug here:

Thanks - I’ve narrowed it down to a missing “stderr” variable definition in
dbgp.js. Should be fixed with change:
Target build: 9.0.0, build num 86376" © @toddw

Just a backposting from bugs tracker to this topic.