[ruby-core:60442] [Backport21 - Backport #9477] [Open] Address family not supported by protocol - socket(2) - udp

From: bjoern@...
Date: 2014-02-04 11:30:08 UTC
List: ruby-core #60442
Issue #9477 has been reported by Bjoern Rennhak.

----------------------------------------
Backport #9477: Address family not supported by protocol - socket(2) - udp
https://bugs.ruby-lang.org/issues/9477

* Author: Bjoern Rennhak
* Status: Open
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
* ruby -v: ruby 2.1.0p0 (2013-12-25 revision 44422) [x86_64-linux]
----------------------------------------
On a fresh Debian GNU/Linux VServer guest running the latest RVM HEAD I experienced the following error:

```
Exception `LoadError' at /usr/local/rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/resolv.rb:169 - LoadError
Exception `Errno::EAFNOSUPPORT' at /usr/local/rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/resolv.rb:744 - Address family not supported by protocol - socket(2) - udp
ERROR: While executing gem ... (Errno::EAFNOSUPPORT)
Address family not supported by protocol - socket(2) - udp
```
(Please see gist below for entire stacktrace).

After discussion on irc.freenode.org #rvm with mpapis (rvm maintainer) it turns out

```
 rvm rubygems latest-2.0
```

fixes the issue.  ```rvm rubygems head``` did not work.

Not quite sure what went wrong here and if this affects anyone who isn't running vserver.

Reference:

https://gist.github.com/anonymous/483c42ce132495271fc2
https://github.com/rubygems/rubygems/issues/803#issuecomment-33835128




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