Rails - Feb 2009 - "uninitialized constant Gem::Etc (NameError)" when starting server

I keep getting this when I try to start the server:

[Macintosh:rails/work/demo] jslicari% script/server
/Library/Ruby/Site/1.8/rubygems.rb:723:in `set_paths'': uninitialized
constant Gem::Etc (NameError)
	from /Library/Ruby/Site/1.8/rubygems.rb:719:in `each''
	from /Library/Ruby/Site/1.8/rubygems.rb:719:in `set_paths''
	from /Library/Ruby/Site/1.8/rubygems.rb:526:in `path''
	from /Library/Ruby/Site/1.8/rubygems/source_index.rb:66:in
`installed_spec_directories''
	from /Library/Ruby/Site/1.8/rubygems/source_index.rb:56:in
`from_installed_gems''
	from /Library/Ruby/Site/1.8/rubygems.rb:736:in `source_index''
	from /Library/Ruby/Site/1.8/rubygems.rb:140:in `activate''
	from /Library/Ruby/Site/1.8/rubygems.rb:49:in `gem''
	from ./script/../config/boot.rb:59:in `load_rails_gem''
	from ./script/../config/boot.rb:53:in `load_initializer''
	from ./script/../config/boot.rb:38:in `run''
	from ./script/../config/boot.rb:11:in `boot!''
	from ./script/../config/boot.rb:109
	from script/server:2:in `require''
	from script/server:2

I have made sure everything is up to date with "sudo gem update" and
"sudo gem update --system"

Here are the versions I have:

[Macintosh:rails/work/demo] jslicari% gem -v
1.3.1
[Macintosh:rails/work/demo] jslicari% ruby -v
ruby 1.8.1 (2003-12-25) [powerpc-darwin]
[Macintosh:rails/work/demo] jslicari% rails -v
Rails 2.2.2


Thanks
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Your version of ruby may be too old.  See
http://rubyforge.org/tracker/index.php?func=detail&aid=22313&group_id=126&atid=575

On Feb 3, 7:56 pm, jslicari
<jlic...-IU0KPZX+3n2YoAmmQSGB5AC/G2K4zDHf@public.gmane.org>
wrote:
> I keep getting this when I try to start the server:
>
> [Macintosh:rails/work/demo] jslicari% script/server
> /Library/Ruby/Site/1.8/rubygems.rb:723:in `set_paths'':
uninitialized
> constant Gem::Etc (NameError)
>         from /Library/Ruby/Site/1.8/rubygems.rb:719:in `each''
>         from /Library/Ruby/Site/1.8/rubygems.rb:719:in `set_paths''
>         from /Library/Ruby/Site/1.8/rubygems.rb:526:in `path''
>         from /Library/Ruby/Site/1.8/rubygems/source_index.rb:66:in
> `installed_spec_directories''
>         from /Library/Ruby/Site/1.8/rubygems/source_index.rb:56:in
> `from_installed_gems''
>         from /Library/Ruby/Site/1.8/rubygems.rb:736:in
`source_index''
>         from /Library/Ruby/Site/1.8/rubygems.rb:140:in `activate''
>         from /Library/Ruby/Site/1.8/rubygems.rb:49:in `gem''
>         from ./script/../config/boot.rb:59:in `load_rails_gem''
>         from ./script/../config/boot.rb:53:in `load_initializer''
>         from ./script/../config/boot.rb:38:in `run''
>         from ./script/../config/boot.rb:11:in `boot!''
>         from ./script/../config/boot.rb:109
>         from script/server:2:in `require''
>         from script/server:2
>
> I have made sure everything is up to date with "sudo gem update"
and
> "sudo gem update --system"
>
> Here are the versions I have:
>
> [Macintosh:rails/work/demo] jslicari% gem -v
> 1.3.1
> [Macintosh:rails/work/demo] jslicari% ruby -v
> ruby 1.8.1 (2003-12-25) [powerpc-darwin]
> [Macintosh:rails/work/demo] jslicari% rails -v
> Rails 2.2.2
>
> Thanks
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