I'm trying to use the published 1.1.0.pre gems.
After updating Gemfile, config.ru, etc by comparing to a newly merb-
gen'd app, I thought I had all the pieces in place (I was using
1.1.0.pre from a git build as of December and all worked well).

Now that I have merb up (using thin), the app mostly works, but now
I'm getting this hard to debug exception which "seems" to come from
haml.  I tried downgrading haml to 2.2.16 to match what I was using
prior to the upgrade, but same error:

merb : worker (port 4100) ~ wrong number of arguments (0 for 2) -
(ArgumentError)
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/controller/abstract_controller.rb:321:in
`_call_action'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/controller/abstract_controller.rb:289:in
`block in _dispatch'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/controller/abstract_controller.rb:284:in
`catch'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/controller/abstract_controller.rb:284:in
`_dispatch'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/controller/merb_controller.rb:285:in
`_dispatch'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/controller/merb_controller.rb:262:in
`_call'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/controller/merb_controller.rb:252:in
`call'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/dispatch/dispatcher.rb:100:in
`dispatch_action'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/dispatch/dispatcher.rb:76:in `handle'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/dispatch/dispatcher.rb:36:in `handle'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/rack/application.rb:17:in `call'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/haml-2.2.20/lib/
sass/plugin/merb.rb:31:in `call_with_sass'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/
thin/connection.rb:76:in `block in pre_process'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/
thin/connection.rb:74:in `catch'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/
thin/connection.rb:74:in `pre_process'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/
thin/connection.rb:57:in `process'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/
thin/connection.rb:42:in `receive_data'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/
eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/
eventmachine-0.12.10/lib/eventmachine.rb:256:in `run'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/
thin/backends/base.rb:57:in `start'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/
thin/server.rb:156:in `start'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/rack/adapter/thin.rb:30:in `start_server'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/rack/adapter/abstract.rb:298:in
`start_at_port'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/rack/adapter/abstract.rb:131:in `start'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/server.rb:174:in `bootup'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core/server.rb:42:in `start'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/lib/merb-core.rb:165:in `start'
/Users/jhancock/ruby-191-p243/lib/ruby/gems/1.9.1/gems/merb-
core-1.1.0.pre/bin/merb:20:in `<top (required)>'
/Users/jhancock/ruby/bin/merb:19:in `load'
/Users/jhancock/ruby/bin/merb:19:in `<main>'

Any ideas on how to debug this?  I was looking forward to this upgrade
to fix run_later, which I desperately need.

thanks, Jon

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