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Ruby, DRb and Gentoo

Tagged with: • • • — ondrej at 5:36 pm on Friday, October 27, 2006

Larry the CowThere can be a problem with the DRb system in Ruby on Gentoo and the IPv6 support.

If an application with DRb does not work and its error message is:

TEXT [Show Plain Code]:
  1. Exception `SocketError’ at /usr/lib/ruby/1.8/drb/drb.rb:840 – getnameinfo: ai_family not supported
  2. /usr/lib/ruby/1.8/drb/drb.rb:840:in `getaddrinfo’: getnameinfo: ai_family not supported (SocketError)

then it is necessary to re-compile the ruby package with the ipv6 support, even you did not compile the IPv6 support into your kernel (or it is compiled as a module but it is not loaded).

Add to your /etc/portage/package.use file the following line:

TEXT [Show Plain Code]:
  1. dev-lang/ruby ipv6

and compile the ruby package again.

emerge ruby -pvt will show an output similar to the following output:

TEXT [Show Plain Code]:
  1. [ebuild   R   ] dev-lang/ruby-1.8.5  USE="ipv6 -cjk -debug -doc -examples -socks5 -threads -tk" 0 kB
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1 Comment »

93785

Comment by Edward Ocampo-Gooding

October 26, 2008 @ 5:15 am

Thanks! I wouldn’t have figured this one out for a while.

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