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 …