Hi there,
I have a Rails application I developed using Rails 3.0.0.beta4. Up until now no views were needed. My controllers just rendered text and status (webservice).
Now i needed my first UI, i upgraded to rails 3.0.0.rc and i am for the first time working with haml.
When i go to my first view, i get this very weird error:
wrong number of arguments (2 for 0)
The full trace:
activesupport (3.0.0.rc) lib/active_support/callbacks.rb:93:in `send' activesupport (3.0.0.rc) lib/active_support/callbacks.rb:93:in `run_callbacks' actionpack (3.0.0.rc) lib/abstract_controller/callbacks.rb:17:in `process_action' actionpack (3.0.0.rc) lib/action_controller/metal/instrumentation.rb: 30:in `process_action' activesupport (3.0.0.rc) lib/active_support/notifications.rb:52:in `instrument' activesupport (3.0.0.rc) lib/active_support/notifications/ instrumenter.rb:21:in `instrument' activesupport (3.0.0.rc) lib/active_support/notifications.rb:52:in `instrument' actionpack (3.0.0.rc) lib/action_controller/metal/instrumentation.rb: 29:in `process_action' actionpack (3.0.0.rc) lib/action_controller/metal/rescue.rb:17:in `process_action' actionpack (3.0.0.rc) lib/abstract_controller/base.rb:105:in `process' actionpack (3.0.0.rc) lib/abstract_controller/rendering.rb:40:in `process' actionpack (3.0.0.rc) lib/action_controller/metal.rb:133:in `dispatch' actionpack (3.0.0.rc) lib/action_controller/metal/rack_delegation.rb: 14:in `dispatch' actionpack (3.0.0.rc) lib/action_controller/metal.rb:173:in `action' actionpack (3.0.0.rc) lib/action_dispatch/routing/route_set.rb:62:in `call' actionpack (3.0.0.rc) lib/action_dispatch/routing/route_set.rb:62:in `dispatch' actionpack (3.0.0.rc) lib/action_dispatch/routing/route_set.rb:27:in `call' rack-mount (0.6.9) lib/rack/mount/route_set.rb:148:in `call' rack-mount (0.6.9) lib/rack/mount/code_generation.rb:89:in `recognize' rack-mount (0.6.9) lib/rack/mount/code_generation.rb:80:in `optimized_each' rack-mount (0.6.9) lib/rack/mount/code_generation.rb:88:in `recognize' rack-mount (0.6.9) lib/rack/mount/route_set.rb:139:in `call' actionpack (3.0.0.rc) lib/action_dispatch/routing/route_set.rb:489:in `call' haml (3.0.14) lib/sass/plugin/rack.rb:41:in `call' actionpack (3.0.0.rc) lib/action_dispatch/middleware/head.rb:14:in `call' rack (1.2.1) lib/rack/methodoverride.rb:24:in `call' actionpack (3.0.0.rc) lib/action_dispatch/middleware/params_parser.rb: 21:in `call' actionpack (3.0.0.rc) lib/action_dispatch/middleware/flash.rb:177:in `call' actionpack (3.0.0.rc) lib/action_dispatch/middleware/session/ abstract_store.rb:149:in `call' actionpack (3.0.0.rc) lib/action_dispatch/middleware/cookies.rb:268:in `call' activerecord (3.0.0.rc) lib/active_record/query_cache.rb:32:in `call' activerecord (3.0.0.rc) lib/active_record/connection_adapters/abstract/ query_cache.rb:28:in `cache' activerecord (3.0.0.rc) lib/active_record/query_cache.rb:12:in `cache' activerecord (3.0.0.rc) lib/active_record/query_cache.rb:31:in `call' actionpack (3.0.0.rc) lib/action_dispatch/middleware/callbacks.rb: 46:in `call' activesupport (3.0.0.rc) lib/active_support/callbacks.rb:410:in `_run_call_callbacks' actionpack (3.0.0.rc) lib/action_dispatch/middleware/callbacks.rb: 44:in `call' rack (1.2.1) lib/rack/sendfile.rb:107:in `call' actionpack (3.0.0.rc) lib/action_dispatch/middleware/remote_ip.rb: 48:in `call' actionpack (3.0.0.rc) lib/action_dispatch/middleware/ show_exceptions.rb:48:in `call' railties (3.0.0.rc) lib/rails/rack/logger.rb:13:in `call' rack (1.2.1) lib/rack/runtime.rb:17:in `call' activesupport (3.0.0.rc) lib/active_support/cache/strategy/ local_cache.rb:72:in `call' rack (1.2.1) lib/rack/lock.rb:11:in `call' rack (1.2.1) lib/rack/lock.rb:11:in `synchronize' rack (1.2.1) lib/rack/lock.rb:11:in `call' actionpack (3.0.0.rc) lib/action_dispatch/middleware/static.rb:30:in `call' railties (3.0.0.rc) lib/rails/application.rb:168:in `call' railties (3.0.0.rc) lib/rails/application.rb:77:in `send' railties (3.0.0.rc) lib/rails/application.rb:77:in `method_missing' railties (3.0.0.rc) lib/rails/rack/log_tailer.rb:15:in `call' rack (1.2.1) lib/rack/content_length.rb:13:in `call' rack (1.2.1) lib/rack/handler/webrick.rb:52:in `service' /home/nva/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/1.8/webrick/ httpserver.rb:104:in `service' /home/nva/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/1.8/webrick/ httpserver.rb:65:in `run' /home/nva/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/1.8/webrick/server.rb: 173:in `start_thread' /home/nva/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/1.8/webrick/server.rb: 162:in `start' /home/nva/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/1.8/webrick/server.rb: 162:in `start_thread' /home/nva/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/1.8/webrick/server.rb: 95:in `start' /home/nva/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/1.8/webrick/server.rb: 92:in `each' /home/nva/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/1.8/webrick/server.rb: 92:in `start' /home/nva/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/1.8/webrick/server.rb: 23:in `start' /home/nva/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/1.8/webrick/server.rb: 82:in `start' rack (1.2.1) lib/rack/handler/webrick.rb:13:in `run' rack (1.2.1) lib/rack/server.rb:213:in `start' railties (3.0.0.rc) lib/rails/commands/server.rb:65:in `start' railties (3.0.0.rc) lib/rails/commands.rb:30 railties (3.0.0.rc) lib/rails/commands.rb:27:in `tap' railties (3.0.0.rc) lib/rails/commands.rb:27 script/rails:6:in `require' script/rails:6
I have got no clue what this means or what i am doing wrong. I have found a few things i need to change when going from beta4 to rc but i still can't explain this.
It goes wrong in the callbacks, in the following function:
def run_callbacks(kind, *args, &block) send("_run_#{kind}_callbacks", *args, &block) end
i have no idea why.
I hope someone can shed some light ...