From: Paul Lutus <nospam@...>
Date: 2006-09-28T04:10:14+09:00
Subject: Re: Bonjour and Socket::getaddrinfo

obrien.andrew@gmail.com wrote:

> I was having a problem with DRb coming from Socket::getaddrinfo not
> finding an address for the name returned by Socket::gethostname.  I'm
> running Mac OS 10.4 and Ruby 1.8.  Replicating line 837 in drb.rb in
> irb gave me this:
> 
> irb(main):001:0> require 'socket'
> => true
> irb(main):002:0> host = Socket::gethostname
> => "monkeydrome"
> irb(main):003:0> Socket::getaddrinfo(host, nil,Socket::AF_UNSPEC,
> irb(main):004:1*                                   Socket::SOCK_STREAM,
> 
> irb(main):005:1*                                   0,
> irb(main):006:1*                                   Socket::AI_PASSIVE)
> SocketError: getaddrinfo: No address associated with nodename
>         from (irb):3:in `getaddrinfo'
>         from (irb):3
>         from :0
> 
> And if I add my Bonjour share name to /etc/hosts (as "127.0.0.1
> monkeydrome"), I get the correct response ([["AF_INET", 0, "localhost",
> "127.0.0.1", 2, 1, 6]]).  Is there a way to get the correct address
> information without changing /etc/hosts?

If there is no IP associated with a particular network node, then no, you 
can't. The relation between "localhost" and "127.0.0.1" is normally a
relationship created by an entry in /etc/hosts, nowhere else.

-- 
Paul Lutus
http://www.arachnoid.com