安装ruby运行环境的时候出现错误！！
以下是错误提示！！Ruby on Rails application could not be startedPhusion Passenger has listen more information about the error belowThese are the possible causes: * There may be a syntax error in the application's code. Please check for such errors and fix them. * A required library may not installed. Please install all libraries that this application requires. * The application may not be properly configured. Please check whether all configuration files are written correctly, fix any incorrect configurations, and restart this application. * A service that the application relies on (such as the database server or the Ferret search engine server) may not have been started. Please start that service.Further information about the error may have been written to the application's log file. Please check it in order to analyse the problem.Error message: uninitialized constant RailsException class: NameErrorApplication root: /var/www/vpn Backtrace: # File Line Location 0 /var/www/vpn/config/environment.rb 13 1 /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb 31 in `gem_original_require' 2 /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb 31 in `require' 3 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/railz/application_spawner.rb 318 in `preload_application' 4 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/railz/application_spawner.rb 267 in `initialize_server' 5 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/utils.rb 323 in `report_app_init_status' 6 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/railz/application_spawner.rb 246 in `initialize_server' 7 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_server.rb 194 in `start_synchronously' 8 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_server.rb 163 in `start' 9 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/railz/application_spawner.rb 222 in `start' 10 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/spawn_manager.rb 253 in `spawn_rails_application' 11 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_server_collection.rb 126 in `lookup_or_add' 12 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/spawn_manager.rb 247 in `spawn_rails_application' 13 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_server_collection.rb 80 in `synchronize' 14 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_server_collection.rb 79 in `synchronize' 15 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/spawn_manager.rb 246 in `spawn_rails_application' 16 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/spawn_manager.rb 145 in `spawn_application' 17 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/spawn_manager.rb 278 in `handle_spawn_application' 18 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_server.rb 352 in `__send__' 19 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_server.rb 352 in `main_loop' 20 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/lib/phusion_passenger/abstract_server.rb 196 in `start_synchronously' 21 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.15/bin/passenger-spawn-server 61
然后我在 系统下 gem install rails Successfully installed rails-3.0.01 gem installedInstalling ri documentation for rails-3.0.0...File not found: li
