Thanks. I think there are a few valid use cases for it, for example as part 
of a testing function, which is what this was.

On Wednesday, July 29, 2015 at 7:03:31 AM UTC-6, ryandesign wrote:
>
>
> On Jul 29, 2015, at 12:13 AM, Greg Reimer wrote: 
>
> > This works on OS X, but fails on Windows 7 (io.js 2.5.0): 
> > 
> >     var http = require('http') 
> > 
> >     var server = http.createServer(function(req, res) { 
> >       res.end('hello') 
> >     }).listen(0, function() { 
> > 
> >       var addr = server.address() 
> > 
> >       http.get({ 
> >         hostname: addr.address, // <-- this 
> >         port: addr.port, 
> >         path: '/foo', 
> >       }, function(res) { 
> >         console.log('hello') 
> >         process.exit(0) 
> >       }) 
> >     }) 
> > 
> > If I change addr.address to 'localhost' it starts working, but I'm 
> curious why. Here's the error: 
> > 
> >     Error: connect EADDRNOTAVAIL :::51539 
> >         at Object.exports._errnoException (util.js:812:11) 
> >         at exports._exceptionWithHostPort (util.js:835:20) 
> >         at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1048:14) 
>
> I don't know the answer to your question, but it looks like you're trying 
> to have your web server send an http request to itself. That's usually an 
> indication that you've structured your program incorrectly; it shouldn't 
> ever be necessary to do that. 
>
>

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