[問題] ruby處理soap使用savon

[a83294 (馬岱)]

現在想用ruby （client端）去使用soap
google一下就看到了savon，結果require之後卻完全沒辦法動作...
按照官方的tutorial的程式碼

require 'savon'
client = Savon.client(wsdl: 'http://service.example.com?wsdl')
client.operations
response = client.call(:find_user, message: { id: 42 })
response.body


$ ruby savontest.rb之後

.rvm/gems/ruby-2.0.0-p353/gems/excon-0.33.0/lib/excon/socket.rb:181:
        in `getaddrinfo': getaddrinfo: nodename nor servname provided,
        or not known (SocketError) (Excon::Errors::SocketError)
 from /Users/david/.rvm/gems/ruby-2.0.0-p353/gems/excon-0.33.0/
        lib/excon/socket.rb:181:in `connect'
 from /Users/david/.rvm/gems/ruby-2.0.0-p353/gems/excon-0.33.0/
        lib/excon/socket.rb:28:in `initialize'
 ...http://imgur.com/QQ09rvJ

錯誤狂噴，請問是我哪裡用錯了嗎？
我看了一下覺得soap應該跟getjson很像吧＠＠
煩請解惑，謝謝...

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→ hSATAC:就連不到，先確定一下網址有沒有打錯或連不連的到吧
→ a83294:感謝Ash大回答，原來真的是壞掉了連不上，狀況已排除