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The rails server cannot start; getaddrinfo: nodename or servname provided or unknown (SocketError)

I did not find a solution to the problem, however, someone already asked several times about this problem - ( Rails Server Keep Exit (SocketError) )

After starting the rails server, the system returns some error that I cannot understand. To install Ruby on Rails on my Mac, I did everything that is listed at http://railsapps.imtqy.com/installrubyonrails-mac.html

here is my answer to the terminal:

$ rails server
=> Booting WEBrick
=> Rails 4.2.0 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
[2015-02-28 02:14:46] INFO  WEBrick 1.3.1
[2015-02-28 02:14:46] INFO  ruby 2.2.0 (2014-12-25) [x86_64-darwin14]
Exiting
/Users/alexshel/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/socket.rb:232:in `getaddrinfo': getaddrinfo: nodename nor servname provided, or not known (SocketError)
    from /Users/alexshel/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/socket.rb:232:in `foreach'
    from /Users/alexshel/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/socket.rb:459:in `tcp_server_sockets'
    from /Users/alexshel/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/webrick/utils.rb:70:in `create_listeners'
    from /Users/alexshel/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/webrick/server.rb:133:in `listen'
    from /Users/alexshel/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/webrick/server.rb:114:in `initialize'
    from /Users/alexshel/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/webrick/httpserver.rb:45:in `initialize'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@global/gems/rack-1.6.0/lib/rack/handler/webrick.rb:32:in `new'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@global/gems/rack-1.6.0/lib/rack/handler/webrick.rb:32:in `run'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@global/gems/rack-1.6.0/lib/rack/server.rb:286:in `start'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@global/gems/railties-4.2.0/lib/rails/commands/server.rb:80:in `start'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@global/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:80:in `block in server'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@global/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:75:in `tap'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@global/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:75:in `server'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@global/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@global/gems/railties-4.2.0/lib/rails/commands.rb:17:in `<top (required)>'
    from /Users/alexshel/workspace/myapp/bin/rails:8:in `require'
    from /Users/alexshel/workspace/myapp/bin/rails:8:in `<top (required)>'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@myapp/gems/spring-1.3.3/lib/spring/client/rails.rb:27:in `load'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@myapp/gems/spring-1.3.3/lib/spring/client/rails.rb:27:in `call'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@myapp/gems/spring-1.3.3/lib/spring/client/command.rb:7:in `call'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@myapp/gems/spring-1.3.3/lib/spring/client.rb:26:in `run'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@myapp/gems/spring-1.3.3/bin/spring:48:in `<top (required)>'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@myapp/gems/spring-1.3.3/lib/spring/binstub.rb:11:in `load'
    from /Users/alexshel/.rvm/gems/ruby-2.2.0@myapp/gems/spring-1.3.3/lib/spring/binstub.rb:11:in `<top (required)>'
    from /Users/alexshel/workspace/myapp/bin/spring:13:in `require'
    from /Users/alexshel/workspace/myapp/bin/spring:13:in `<top (required)>'
    from bin/rails:3:in `load'
    from bin/rails:3:in `<main>'

Please, help.

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4 answers

127.0.0.1 localhost private/etc/hosts, .

+12

UNIX:

brew install dos2unix
sudo dos2unix -c mac /private/etc/hosts
+1

Redis . "Redis" my/private/etc/hosts mac, . , "1234", : 1234 redis. localhost : 127.0.0.1 localhost. , .

0

For future users who encountered this problem, I was able to solve it by adding the following to the end of my file private/etc/hosts.

127.0.0.1 YOURNAME-MacBook-Pro.local

Update YOURNAME-MacBook-Proto any name on your device and hopefully you are all set.

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