Problem with goldberg 2.0.2 and activesupport 2.0.2

I have updated a project under development to Rails 2.0.2. This project
used Goldberg as its frontend and I have updated that gem to 2.0.2 which
supports Rails 2. On MS Windows XP everything works. However, updating
a Linux host (CentOS-5.1 Ruby 1.8.5) results in this error:

$ ruby script/generate goldberg install
environment.rb 2.0.2

  * config.breakpoint_server has been deprecated and has no effect.
  • *******************************************************************

load_missing_constant': uninitialized constant Goldberg::Model (NameError) from /usr/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:453:inconst_missing’
gem_original_require' from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:inrequire’
require' from /usr/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:innew_constants_in’
require' from /home/byrnejb/Software/Development/Projects/theheart/vendor/plugins/goldberg/lib/goldberg_filters.rb:2 ... 22 levels... from /usr/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/commands/generate.rb:1 from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:ingem_original_require’
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require’
from script/generate:3

Looking at custom_require.rb we see:

 23   # The normal <tt>require</tt> functionality of returning false

24 # that file has already been loaded is preserved.
25 #
26 def require(path) # :nodoc:
27 gem_original_require path
28 rescue LoadError => load_error
29 if load_error.message =~ /\A[Nn]o such file to load –
#{Regexp.esca pe path}\z/ and
30 spec = Gem.searcher.find(path) then
31 Gem.activate(, false, “= #{spec.version}”)
32 gem_original_require path
33 else
34 raise load_error
35 end
36 end

This looks like some path or another is not being searched. How can I
tell what part of the environment needs to be tweaked to get this to

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