Rails/Rack version issue

[Jeroen van Meeuwen]

On Tue, 23 Feb 2010 17:29:56 -0500, Alejandro Perez
<alejandro.perez.torres at gmail.com> wrote:
> Jason,
> 
>     Can you send the listo of gems you have installed. I work ruby apps
> and rails, but i normally compile my ruby version on Fedora, seems to me
> that you installation update the rack version and eliminate the old one,
> so now you do not have rack 1.0.0 and you application is looking for
> that version or you do not have the gems version specified on the
> enviroment.rb file of you application. For instance on my machine gem
> list provide this line rack (1.1.0, 1.0.1) that mean i have installed
> the two version of rack.
> 
> hope this help.
> 

If you use "gem install" and "gem update", yes you can have multiple
versions of one gem. However, when using the Fedora provided RPM packages,
only one version of the package will be installed, inherently removing the
old version of the gem.

-- Jeroen