visionmedia/express — pull request #1007 by mmalecki (2012-02-12 15:55:18+00:00)
Title: [2.x] Do not to call `app.address()` before `listening` event

Not sure if you still take pull requests for `2.x`, but:

According to joyent/node@d3f6b094c71a8d2c78dc6cd8bb50b01db6d38e27,
call to `net.Server.address()` should happen only after `net.Server`
emits `listening` event.