system info:
gentoo x86
dev-lang/ruby-1.8.5 USE="doc examples socks5 tcltk threads -cjk -debug -ipv6"
If gem_server is ran on a system without IPV6 support it will generate the following error:
2006-09-04 16:49:30] INFO WEBrick 1.3.1
[2006-09-04 16:49:30] INFO ruby 1.8.5 (2006-08-25) [i686-linux]
/usr/lib/ruby/1.8/webrick/utils.rb:63:in `getaddrinfo': getnameinfo: ai_family
not supported (SocketError)
from /usr/lib/ruby/1.8/webrick/utils.rb:63:in `create_listeners'
from /usr/lib/ruby/1.8/webrick/server.rb:75:in `listen'
from /usr/lib/ruby/1.8/webrick/server.rb:63:in `initialize'
from /usr/lib/ruby/1.8/webrick/httpserver.rb:24:in `initialize'
from /usr/bin/gem_server:351:in `new'
from /usr/bin/gem_server:351
The cause is this line in /usr/lib/ruby/1.8/webrick/utils.rb:
res = Socket::getaddrinfo(address, port,
Socket::AF_UNSPEC, # address family
Socket::SOCK_STREAM, # socket type
0, # protocol
Socket::AI_PASSIVE) # flag
The problem is the Socket::AF_UNSPEC which is apparently causing getaddrinfo to
try some IPv6 processing. Substituting Socket::AF_INET will let gem_server run just fine.
According to the Socket.getaddrinfo documentation, "You will usually pass either nil or Socket::AF_UNSPEC, allowing
the IPv6 information to be returned first if host is reachable via IPv6, and IPv4 information otherwise." I think
this is assuming that the underlying OS has IPv6 support.
Thank you,
Roy
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