Ruby (Rack) application could not be started

These 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:
/usr/lib64/ruby/gems/1.9.1/gems/webyast-software-0.3.22/app/controllers/packages_controller.rb:27: syntax error, unexpected ',', expecting tASSOC before_filter :check_read_permissions, :only => {:index, :show} ^
Exception class:
SyntaxError
Application root:
/srv/www/webyast
Backtrace:
# File Line Location
0 /usr/lib64/ruby/gems/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 251 in `require'
1 /usr/lib64/ruby/gems/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 251 in `block in require'
2 /usr/lib64/ruby/gems/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 236 in `load_dependency'
3 /usr/lib64/ruby/gems/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 251 in `require'
4 /usr/lib64/ruby/gems/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 359 in `require_or_load'
5 /usr/lib64/ruby/gems/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 313 in `depend_on'
6 /usr/lib64/ruby/gems/1.9.1/gems/activesupport-3.2.3/lib/active_support/dependencies.rb 225 in `require_dependency'
7 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/engine.rb 439 in `block (2 levels) in eager_load!'
8 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/engine.rb 438 in `each'
9 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/engine.rb 438 in `block in eager_load!'
10 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/engine.rb 436 in `each'
11 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/engine.rb 436 in `eager_load!'
12 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/application/railties.rb 8 in `each'
13 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/application/railties.rb 8 in `all'
14 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/engine.rb 434 in `eager_load!'
15 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/application/finisher.rb 53 in `block in '
16 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/initializable.rb 30 in `instance_exec'
17 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/initializable.rb 30 in `run'
18 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/initializable.rb 55 in `block in run_initializers'
19 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/initializable.rb 54 in `each'
20 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/initializable.rb 54 in `run_initializers'
21 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/application.rb 136 in `initialize!'
22 /usr/lib64/ruby/gems/1.9.1/gems/railties-3.2.3/lib/rails/railtie/configurable.rb 30 in `method_missing'
23 /srv/www/webyast/config/environment.rb 23 in `'
24 config.ru 3 in `require'
25 config.ru 3 in `block in
'
26 /usr/lib64/ruby/gems/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb 51 in `instance_eval'
27 /usr/lib64/ruby/gems/1.9.1/gems/rack-1.4.1/lib/rack/builder.rb 51 in `initialize'
28 config.ru 1 in `new'
29 config.ru 1 in `
'
30 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/rack/application_spawner.rb 225 in `eval'
31 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/rack/application_spawner.rb 225 in `load_rack_app'
32 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/rack/application_spawner.rb 75 in `block (2 levels) in spawn_application'
33 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/utils.rb 572 in `report_app_init_status'
34 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/rack/application_spawner.rb 73 in `block in spawn_application'
35 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/utils.rb 479 in `safe_fork'
36 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/rack/application_spawner.rb 64 in `spawn_application'
37 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/spawn_manager.rb 264 in `spawn_rack_application'
38 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/spawn_manager.rb 137 in `spawn_application'
39 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/spawn_manager.rb 275 in `handle_spawn_application'
40 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/abstract_server.rb 357 in `server_main_loop'
41 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/lib/phusion_passenger/abstract_server.rb 206 in `start_synchronously'
42 /usr/lib64/ruby/gems/1.9.1/gems/passenger-3.0.12/helper-scripts/passenger-spawn-server 99 in `
'