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  1.  
  2. Ruby (Rack) application could not be started
  3. These are the possible causes:
  4. There may be a syntax error in the application's code. Please check for such errors and fix them.
  5. A required library may not installed. Please install all libraries that this application requires.
  6. The application may not be properly configured. Please check whether all configuration files are written correctly, fix any incorrect configurations, and restart this application.
  7. 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.
  8. Further information about the error may have been written to the application's log file. Please check it in order to analyse the problem.
  9. Error message:
  10. Unknown key: class
  11. Exception class:
  12. ArgumentError
  13. Application root:
  14. /home/regroup/calendar
  15. Backtrace:
  16. #   File    Line    Location
  17. 0   /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/core_ext/hash/keys.rb   44  in `block in assert_valid_keys'
  18. 1   /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/core_ext/hash/keys.rb   43  in `each_key'
  19. 2   /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/core_ext/hash/keys.rb   43  in `assert_valid_keys'
  20. 3   /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.3/lib/active_record/associations/builder/association.rb   33  in `validate_options'
  21. 4   /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.3/lib/active_record/associations/builder/association.rb   24  in `build'
  22. 5   /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.3/lib/active_record/autosave_association.rb   139 in `build'
  23. 6   /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.3/lib/active_record/associations/builder/belongs_to.rb    14  in `build'
  24. 7   /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.3/lib/active_record/associations/builder/association.rb   12  in `build'
  25. 8   /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.3/lib/active_record/associations.rb   1428    in `belongs_to'
  26. 9   /home/regroup/calendar/app/models/event.rb  3   in `'
  27. 10  /home/regroup/calendar/app/models/event.rb  1   in `'
  28. 11  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 251 in `require'
  29. 12  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 251 in `block in require'
  30. 13  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 236 in `load_dependency'
  31. 14  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 251 in `require'
  32. 15  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 359 in `require_or_load'
  33. 16  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 502 in `load_missing_constant'
  34. 17  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 192 in `block in const_missing'
  35. 18  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 190 in `each'
  36. 19  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 190 in `const_missing'
  37. 20  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/inflector/methods.rb    229 in `block in constantize'
  38. 21  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/inflector/methods.rb    228 in `each'
  39. 22  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/inflector/methods.rb    228 in `constantize'
  40. 23  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/inflector/methods.rb    259 in `safe_constantize'
  41. 24  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/core_ext/string/inflections.rb  66  in `safe_constantize'
  42. 25  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.3/lib/action_controller/metal/params_wrapper.rb 152 in `_default_wrap_model'
  43. 26  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.3/lib/action_controller/metal/params_wrapper.rb 169 in `_set_wrapper_defaults'
  44. 27  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.3/lib/action_controller/metal/params_wrapper.rb 133 in `inherited'
  45. 28  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.3/lib/abstract_controller/railties/routes_helpers.rb    7   in `block (2 levels) in with'
  46. 29  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.3/lib/action_controller/railties/paths.rb   7   in `block (2 levels) in with'
  47. 30  /home/regroup/calendar/app/controllers/events_controller.rb 1   in `'
  48. 31  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 251 in `require'
  49. 32  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 251 in `block in require'
  50. 33  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 236 in `load_dependency'
  51. 34  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 251 in `require'
  52. 35  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 359 in `require_or_load'
  53. 36  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 313 in `depend_on'
  54. 37  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 225 in `require_dependency'
  55. 38  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/engine.rb 439 in `block (2 levels) in eager_load!'
  56. 39  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/engine.rb 438 in `each'
  57. 40  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/engine.rb 438 in `block in eager_load!'
  58. 41  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/engine.rb 436 in `each'
  59. 42  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/engine.rb 436 in `eager_load!'
  60. 43  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/application/finisher.rb   53  in `block in '
  61. 44  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/initializable.rb  30  in `instance_exec'
  62. 45  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/initializable.rb  30  in `run'
  63. 46  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/initializable.rb  55  in `block in run_initializers'
  64. 47  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/initializable.rb  54  in `each'
  65. 48  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/initializable.rb  54  in `run_initializers'
  66. 49  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/application.rb    136 in `initialize!'
  67. 50  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/railtie/configurable.rb   30  in `method_missing'
  68. 51  /home/regroup/calendar/config/environment.rb    5   in `'
  69. 52  config.ru   3   in `require'
  70. 53  config.ru   3   in `block in '
  71. 54  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/builder.rb 51  in `instance_eval'
  72. 55  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/builder.rb 51  in `initialize'
  73. 56  config.ru   1   in `new'
  74. 57  config.ru   1   in `'
  75. 58  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/rack/application_spawner.rb 225 in `eval'
  76. 59  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/rack/application_spawner.rb 225 in `load_rack_app'
  77. 60  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/rack/application_spawner.rb 157 in `block in initialize_server'
  78. 61  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/utils.rb    572 in `report_app_init_status'
  79. 62  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/rack/application_spawner.rb 154 in `initialize_server'
  80. 63  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/abstract_server.rb  204 in `start_synchronously'
  81. 64  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/abstract_server.rb  180 in `start'
  82. 65  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/rack/application_spawner.rb 129 in `start'
  83. 66  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/spawn_manager.rb    253 in `block (2 levels) in spawn_rack_application'
  84. 67  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/abstract_server_collection.rb   132 in `lookup_or_add'
  85. 68  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/spawn_manager.rb    246 in `block in spawn_rack_application'
  86. 69  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/abstract_server_collection.rb   82  in `block in synchronize'
  87. 70      prelude>    10:in `synchronize'
  88. 71  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/abstract_server_collection.rb   79  in `synchronize'
  89. 72  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/spawn_manager.rb    244 in `spawn_rack_application'
  90. 73  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/spawn_manager.rb    137 in `spawn_application'
  91. 74  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/spawn_manager.rb    275 in `handle_spawn_application'
  92. 75  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/abstract_server.rb  357 in `server_main_loop'
  93. 76  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/lib/phusion_passenger/abstract_server.rb  206 in `start_synchronously'
  94. 77  /home/regroup/.rvm/gems/ruby-1.9.3-p194/gems/passenger-3.0.12/helper-scripts/passenger-spawn-server 99  in `'
  95. Powered by Phusion Passenger, mod_rails / mod_rack for Apache.
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