uninitialized constant RailsFCGIHandler

After installing Ruby on Rails on a Windows Vista machine, I get the
following error when attempting to execute the dispatch.fcgi script
from command line (the same occurs when the script is executed in the
context of the real FastCGI server):

e:\program files\ruby.exe e:\myapp\public\dispatch.fcgi

output:
<<

e:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:123:in
`const_missing': uninitialized constant RailsFCGIHandler (NameError)
        from
e:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:131:in
`const_missing'
        from e:/ruby/myapp/public/dispatch.fcgi:24

I install RoR by doing the following:

1) Install Ruby 1.8.4-20 from
http://rubyforge.org/frs/?group_id=167&release_id=6672
2) gem install rails --include-dependencies
3) Create sample app, rails myapp
4) Use the

I've gotten this to work succesfully on another W2k3 machine.

If you know what this problem is due to, can you please comment?

Note, I am not looking for "use webserver X", etc type suggestions, but
for a specific reason why this particular issue occurs in Ruby on
Rails, so I can understand how to mitigate it given my particular
setup.

Thank you for your time,

Mike

I install RoR by doing the following:

1) Install Ruby 1.8.4-20 from
http://rubyforge.org/frs/?group_id=167&release_id=6672
2) gem install rails --include-dependencies
3) Create sample app, rails myapp
4) Use the

I've gotten this to work succesfully on another W2k3 machine.

If you know what this problem is due to, can you please comment?

Looks like you're missing the fcgi gem?