On Tue, Feb 23, 2010 at 5:17 PM, Jeroen van Meeuwen <kanarip@kanarip.com> wrote:

On Tue, 23 Feb 2010 16:47:33 -0500, Jason Guiditta
<jason.guiditta@gmail.com> wrote:
> I am running Fedora 12 with Rails 2.3.4 installed.  Everything was
> fine, then last night I got an update from yum for Rack 1.1.  After
> installing that, my working rails apps failed to load.  Creating a new
> app yielded:
> /usr/lib/ruby/site_ruby/1.8/rubygems.rb:827:in `report_activate_error':
> RubyGem version error: rack(1.1.0 not ~> 1.0.0) (Gem::LoadError)
> Has anyone else hit this issue?  If more detail is needed, let me know.
>  Thanks,

I've seen this issue occur once or twice, but I'm not all too well versed
in Ruby... is ~> even a valid comparison and if so, what does it imply
exactly? I'm afraid this should have been '=>', which would require a patch
on the rails stack.

-- Jeroen

Good call, '=~' is valid, but '~>' does not appear to be, according to the list here: