sujeet kumar wrote:
> hi
>   I am new to Ruby. I want to access http address using Ruby program .
> I run the sample code of book The Pragmatic Programmer's Guide but it
> doesn't work.
>    code is:
>              require 'net/http'
>
> h = Net::HTTP.new('www.pragmaticprogrammer.com', 80)
> resp, data = h.get('/index.html', nil )
> puts "Code = #{resp.code}"
> puts "Message = #{resp.message}"
> resp.each {|key, val| printf "%-14s = %-40.40s\n", key, val }
> p data[0..55]
>
> Error is:
> c:/ruby/lib/ruby/1.8/net/protocol.rb:83:in `initialize': getaddrinfo:
>  no address associated with hostname. (SocketError)
>         from c:/ruby/lib/ruby/1.8/net/protocol.rb:83:in `new'
>         from c:/ruby/lib/ruby/1.8/net/protocol.rb:83:in `connect'
>         from c:/ruby/lib/ruby/1.8/net/protocol.rb:82:in `timeout'
>         from c:/ruby/lib/ruby/1.8/timeout.rb:55:in `timeout'
>         from c:/ruby/lib/ruby/1.8/net/protocol.rb:82:in `connect'
>         from c:/ruby/lib/ruby/1.8/net/protocol.rb:64:in `initialize'
>         from c:/ruby/lib/ruby/1.8/net/http.rb:430:in `open'
>         from c:/ruby/lib/ruby/1.8/net/http.rb:430:in `do_start'
>         from c:/ruby/lib/ruby/1.8/net/http.rb:419:in `start'
>         from c:/ruby/lib/ruby/1.8/net/http.rb:821:in `request'
>         from c:/ruby/lib/ruby/1.8/net/http.rb:615:in `get'
>         from url.rb:4
>
> For information , I access internet through proxy server . Can anybody
> tell me the error?
> thanks

See "Accessing via Proxy" on
http://www.ruby-doc.org/stdlib/libdoc/net/http/rdoc/classes/Net/HTTP.html

Also preferrable use the block form to ensure proper closing of socket
connections.

Kind regards

    robert