gistfile1.txt

irb(main):002:0> Net::HTTP.get(URI.parse('http://www.google.com'))
IOError: Function not implemented
        from org/jruby/ext/socket/RubyTCPSocket.java:110:in `initialize'
        from org/jruby/RubyIO.java:1176:in `open'
        from /usr/home/jps/.rvm/rubies/jruby-1.7.0/lib/ruby/1.9/net/http.rb:762:in `connect'
        from org/jruby/ext/timeout/Timeout.java:105:in `timeout'
        from /usr/home/jps/.rvm/rubies/jruby-1.7.0/lib/ruby/1.9/net/http.rb:762:in `connect'
        from /usr/home/jps/.rvm/rubies/jruby-1.7.0/lib/ruby/1.9/net/http.rb:755:in `do_start'
        from /usr/home/jps/.rvm/rubies/jruby-1.7.0/lib/ruby/1.9/net/http.rb:744:in `start'
        from /usr/home/jps/.rvm/rubies/jruby-1.7.0/lib/ruby/1.9/net/http.rb:454:in `get_response'
        from /usr/home/jps/.rvm/rubies/jruby-1.7.0/lib/ruby/1.9/net/http.rb:431:in `get'
        from (irb):2:in `evaluate'
        from org/jruby/RubyKernel.java:1065:in `eval'
        from org/jruby/RubyKernel.java:1390:in `loop'
        from org/jruby/RubyKernel.java:1173:in `catch'
        from org/jruby/RubyKernel.java:1173:in `catch'
        from /home/jps/.rvm/rubies/jruby-1.7.0/bin/irb:13:in `(root)'
irb(main):003:0> RUBY_DESCRIPTION
=> "jruby 1.7.0 (1.9.3p203) 2012-10-22 ff1ebbe on Java HotSpot(TM) Client VM 1.7.0_09-b05 [linux-i386]"
irb(main):004:0>

ruby -J-Djava.nio.channels.spi.SelectorProvider=sun.nio.ch.PollSelectorProvider -J-Djava.net.preferIPv4Stack=true -S irb