Rails - Nov 2007 - Leopard : can't activate rails 1.2.3 already activated ...

I just installed Leopard and I receive this error after running
script/server. Does anyone have any ideas on how to resolve this issue?
I have been looking all over for about 6 hours and I''m not sure where
to
turn:

** Starting Rails with development environment...
Exiting
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:249:in
`activate'': can''t activate rails (= 1.2.3), already activated
rails-1.2.2] (Gem::Exception)
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in
`require''
  from
/Library/Ruby/Gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:495:in
`require''
  from
/Library/Ruby/Gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:342:in
`new_constants_in''
  from
/Library/Ruby/Gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:495:in
`require''
  from /Library/Ruby/Gems/1.8/gems/rails-1.2.2/lib/commands/server.rb:39
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require''
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
`require''
  from script/server:3
joemar:trunk joeymarchy$ ruby -v
ruby 1.8.6 (2007-06-07 patchlevel 36) [universal-darwin9.0]
-- 
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On Nov 14, 2007 9:58 PM, Joey Marchy
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> I just installed Leopard and I receive this error after running
> script/server. Does anyone have any ideas on how to resolve this issue?
> I have been looking all over for about 6 hours and I''m not sure
where to
> turn:

After I installed Leopard, I immediately updated to Rails 1.2.4 (one of my
project is still specifically targeting that version). I haven''t had
any
problems running script/server for it. All of my other projects are on edge
Rails, and none of them exhibit any problems with script/server either.

I''m know that I''m not directly addressing your problem with
1.2.3, but could
you just update to 1.2.4 or 1.2.5?

Craig

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Craig,

I don''t want to upgrade Rails. I am worried about the application 
breaking in a newer version of Rails.
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On Nov 15, 2007 10:20 AM, Joey Marchy
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> Craig,
>
> I don''t want to upgrade Rails. I am worried about the application
> breaking in a newer version of Rails.

Understood. However, there aren''t very many changes from 1.2.3 to 1.2.4
to
1.2.5. The changes are minor bug fixes and some deprecation warnings in
preparation for 2.0.

It sounds like your app might be tied to the Rails version installed via
RubyGems. If so, it''s easy to try your app with a new version of Rails
and
use the older version if the newer one doesn''t work well. In
config/environment.rb of your project, you should be able to tweak the
RAILS_GEM_VERSION. Here''s an example from one of my projects:

# Specifies gem version of Rails to use when vendor/rails is not present
RAILS_GEM_VERSION = ''1.2.5'' unless defined? RAILS_GEM_VERSION

You could install 1.2.4 via RubyGems

$ sudo gem install -y rails -v 1.2.4

Then you could set RAILS_GEM_VERSION in your app to 1.2.4. If that
doesn''t
work well, you could change it back to 1.2.3.

Could that work for you?

Regards,
Craig

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I''ll give it a try. I was concerned that it was a ruby issue (due to
the
error message) having to do with the new installation of Ruby on 
Leopard. Thanks! If you think it might be a Rails compatibility issue 
that is a little comforting. Thanks!


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On Nov 15, 2007 12:26 PM, Joey Marchy
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> I''ll give it a try. I was concerned that it was a ruby issue (due
to the
> error message) having to do with the new installation of Ruby on
> Leopard. Thanks! If you think it might be a Rails compatibility issue
> that is a little comforting. Thanks!

It could very well be an issue with your install of Ruby/RubyGems/Rails
1.2.3 on Leopard.  Given that and the very minor differences from 1.2.3 to
1.2.4 to 1.2.5, I thought it made sense to try installing multiple versions
of Rails via RubyGems and binding your app to each one to see if the
behavior changed. Please let us know how it went.

Regards,
Craig

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