Error message

erro msg

C:/Ruby192/lib/ruby/1.9.1/net/http.rb:678:in `connect': SSL_connect returned=1 errno=0 
state=SSLv3 read server certificate B: certificate verify failed (OpenSSL::SSL::SSLError)
        from C:/Ruby192/lib/ruby/1.9.1/net/http.rb:678:in `block in connect'
        from C:/Ruby192/lib/ruby/1.9.1/timeout.rb:44:in `timeout'
        from C:/Ruby192/lib/ruby/1.9.1/timeout.rb:87:in `timeout'
        from C:/Ruby192/lib/ruby/1.9.1/net/http.rb:678:in `connect'
        from C:/Ruby192/lib/ruby/1.9.1/net/http.rb:637:in `do_start'
        from C:/Ruby192/lib/ruby/1.9.1/net/http.rb:626:in `start'
        from C:/Ruby192/lib/ruby/1.9.1/open-uri.rb:306:in `open_http'
        from C:/Ruby192/lib/ruby/1.9.1/open-uri.rb:769:in `buffer_open'
        from C:/Ruby192/lib/ruby/1.9.1/open-uri.rb:203:in `block in open_loop'
        from C:/Ruby192/lib/ruby/1.9.1/open-uri.rb:201:in `catch'
        from C:/Ruby192/lib/ruby/1.9.1/open-uri.rb:201:in `open_loop'
        from C:/Ruby192/lib/ruby/1.9.1/open-uri.rb:146:in `open_uri'
        from C:/Ruby192/lib/ruby/1.9.1/open-uri.rb:671:in `open'
        from C:/Ruby192/lib/ruby/1.9.1/open-uri.rb:33:in `open'
        from C:/Users/Nahuel/Desktop/find_user.rb:24:in `get_json_response_for'
        from C:/Users/Nahuel/Desktop/find_user.rb:58:in `<main>'