if i run rails serve i am fa C:\forex>rails server => Booting WEBrick => Rails 3.0.0 application starting in development on http://0.0.0.0:3000 => Call with -d to detach => Ctrl-C to shutdown server Exiting C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/cache/file_store.rb:17:in `initialize': wrong number of arguments (0 for 1) (ArgumentError) from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/cache.rb:69:in `new' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/cache.rb:69:in `lookup_store' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.0/lib/action_controller/caching.rb:49:in `cache_store=' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.0/lib/action_controller/railtie.rb:54:in `block (3 levels) in <class:Railtie>' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.0/lib/action_controller/railtie.rb:54:in `each' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.0/lib/action_controller/railtie.rb:54:in `block (2 levels) in <class:Railtie>' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:36:in `instance_eval' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/lazy_load_hooks.rb:26:in `on_load' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.0/lib/action_controller/railtie.rb:52:in `block in <class:Railtie>' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/initializable.rb:25:in `instance_exec' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/initializable.rb:25:in `run' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/initializable.rb:50:in `block in run_initializers' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/initializable.rb:49:in `each' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/initializable.rb:49:in `run_initializers' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/application.rb:134:in `initialize!' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/application.rb:77:in `method_missing' from C:/forex/config/environment.rb:5:in `<top (required)>' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require' from C:/forex/config.ru:3:in `block in <main>' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:46:in `instance_eval' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:46:in `initialize' from C:/forex/config.ru:1:in `new' from C:/forex/config.ru:1:in `<main>' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:35:in `eval' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:35:in `parse_file' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/server.rb:162:in `app' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/server.rb:248:in `wrapped_app' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/server.rb:213:in `start' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands/server.rb:65:in `start' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands.rb:30:in `block in <top (required)>' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands.rb:27:in `tap' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.0/lib/rails/commands.rb:27:in `<top (required)>' from script/rails:6:in `require' from script/rails:6:in `<main>'
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