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Message from discussion DRb Problems with Mac OS X 10.5.3
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Andy Keep  
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 More options May 29 2008, 1:11 am
Newsgroups: comp.lang.ruby
From: Andy Keep <ak...@robotman.org>
Date: Thu, 29 May 2008 00:11:06 -0500
Local: Thurs, May 29 2008 1:11 am
Subject: Re: DRb Problems with Mac OS X 10.5.3
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I've not done too much Ruby socket programming, but it seems to be that
it doesn't like 0 as a service number, because it is interpreting it as
the real service 0, instead of the empty service... if you use nil
instead it works fine... you might be able to patch dRb to use that as a
work around.

irb(main):001:0> require 'socket'
=> true
irb(main):011:0> Socket.getaddrinfo(Socket.gethostname, 0,
Socket::AF_INET, Socket::SOCK_STREAM, nil, Socket::AI_CANONNAME)
SocketError: getaddrinfo: nodename nor servname provided, or not known
  from (irb):11:in `getaddrinfo'
  from (irb):11
  from :0
irb(main):012:0> Socket.getaddrinfo(Socket.gethostname, nil,
Socket::AF_INET, Socket::SOCK_STREAM, nil, Socket::AI_CANONNAME)
=> [["AF_INET", 0, "192.168.1.95", "192.168.1.95", 2, 1, 6]]

Kurt Schrader wrote:
> No solution yet, but it looks like something has changed in some
> underlying networking library, as base socket handing methods seem to be
> broken:

> [kschrader@einstein:~]$ irb
>>> require 'socket'
> => true
>>> Socket.getaddrinfo(Socket.gethostname, 0, Socket::AF_INET, Socket::SOCK_STREAM, nil, Socket::AI_CANONNAME)
> SocketError: getaddrinfo: nodename nor servname provided, or not known
>   from (irb):2:in `getaddrinfo'
>   from (irb):2

> Eric Ly wrote:
>> I'm running into the same problem too having just upgraded.  Is there a
>> solution?

>> Eric

>> Kurt Schrader wrote:
>>> It looks like the Mac OS X 10.5.3 upgrade breaks DRb when it's trying to
>>> open a TCPSocket.

>>> Looking into it now, but be warned:

>>> /opt/local/lib/ruby/1.8/drb/drb.rb:865:in `initialize': getaddrinfo:
>>> nodename nor servname provided, or not known (SocketError)
>>> from /opt/local/lib/ruby/1.8/drb/drb.rb:865:in `open'
>>> from /opt/local/lib/ruby/1.8/drb/drb.rb:865:in `open_server'

>>> -Kurt

--
Posted via http://www.ruby-forum.com/.

 
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