irb(main):002:0> require "resolv-replace.rb"
=> true
irb(main):003:0> ParseContractorsAndSuppliersJob.new.perform
SocketError: Hostname not known: ftp.server.ru
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/resolv-replace.rb:12:in `rescue in getaddress'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/resolv-replace.rb:9:in `getaddress'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/resolv-replace.rb:23:in `initialize'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/net/ftp.rb:228:in `open'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/net/ftp.rb:228:in `block in open_socket'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/timeout.rb:76:in `timeout'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/net/ftp.rb:223:in `open_socket'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/net/ftp.rb:248:in `block in connect'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/monitor.rb:211:in `mon_synchronize'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/net/ftp.rb:247:in `connect'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/net/ftp.rb:160:in `initialize'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/net/ftp.rb:133:in `new'
        from /home/inpos/.rbenv/versions/2.1.2/lib/ruby/2.1.0/net/ftp.rb:133:in `open'
        from /home/inpos/public_html/core/releases/5ec479d16fa24ee426c5dd06cea7fde07e70828f/lib/pharmacy_chain_exchange.rb:8:in `with_ftp'
        from /home/inpos/public_html/core/releases/5ec479d16fa24ee426c5dd06cea7fde07e70828f/lib/pharmacy_chain_exchange.rb:803:in `parse_contractors_and_suppliers'
        from /home/inpos/public_html/core/releases/5ec479d16fa24ee426c5dd06cea7fde07e70828f/app/workers/parse_contractors_and_suppliers_job.rb:15:in `perform'
        from (irb):3
        from /home/inpos/public_html/core/releases/5ec479d16fa24ee426c5dd06cea7fde07e70828f/vendor/bundle/ruby/2.1.0/gems/railties-4.1.6/lib/rails/commands/console.rb:90:in `start'
        from /home/inpos/public_html/core/releases/5ec479d16fa24ee426c5dd06cea7fde07e70828f/vendor/bundle/ruby/2.1.0/gems/railties-4.1.6/lib/rails/commands/console.rb:9:in `start'
        from /home/inpos/public_html/core/releases/5ec479d16fa24ee426c5dd06cea7fde07e70828f/vendor/bundle/ruby/2.1.0/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:69:in `console'
        from /home/inpos/public_html/core/releases/5ec479d16fa24ee426c5dd06cea7fde07e70828f/vendor/bundle/ruby/2.1.0/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:40:in `run_command!'
        from /home/inpos/public_html/core/releases/5ec479d16fa24ee426c5dd06cea7fde07e70828f/vendor/bundle/ruby/2.1.0/gems/railties-4.1.6/lib/rails/commands.rb:17:in `<top (required)>'
        from script/rails:6:in `require'
        from script/rails:6:in `<main>'irb(main):004:0>