rspec users - Oct 2008 - ''uninitialized constant Dispatcher'' when calling rake features

Hi,

I''m facing an issue with cucumber: when calling ''rake
features'' I get
an uninitialized constant Dispatcher (full stacktrace here:
http://pastie.org/297842).

I''m using Rails 2.0.5, the latest webrat/cucumber/rspec/rspec-rails.

Did anyone meet this issue ?

cheers,

Thibaut
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