hi james. thanks for your reply i uninstall openssl and type in treminal => bundle install
openssl error is gone. but when i type this=> rails server again i get this=> /usr/local/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/key_generator.rb:2:in `require': cannot load such file -- openssl (LoadError) from /usr/local/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/key_generator.rb:2:in `<top (required)>' from /usr/local/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application.rb:5:in `require' from /usr/local/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application.rb:5:in `<top (required)>' from /usr/local/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails.rb:11:in `require' from /usr/local/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails.rb:11:in `<top (required)>' from /usr/local/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/server.rb:4:in `require' from /usr/local/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/server.rb:4:in `<top (required)>' from /usr/local/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:123:in `require' from /usr/local/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:123:in `require_command!' from /usr/local/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:73:in `server' from /usr/local/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:39:in `run_command!' from /usr/local/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands.rb:17:in `<top (required)>' from bin/rails:4:in `require' from bin/rails:4:in `<main>' -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/a153c43659556503e60aaa438e7a0d5e%40ruby-forum.com. For more options, visit https://groups.google.com/d/optout.