rails console: Could not find 'rack'

[Roger]

Did you do a gem install rack?
So that it reinstalls. There could be other gems that need the same 
treatment.
Roger
> Hi, list!
> The system is F20. I upgraded it from F17 through F18 a few days ago. 
> Everything works perfect except that neither rails console nor rails 
> server won't start. Typing rails console in the terminal leads to the 
> following result:
> /usr/share/rubygems/rubygems/dependency.rb:298:in `to_specs': Could 
> not find 'rack' (~> 1.2.1) - did find: [rack-1.5.2,rack-1.4.0] 
> (Gem::LoadError)
> from /usr/share/rubygems/rubygems/specification.rb:1268:in `block in 
> activate_dependencies'
> from /usr/share/rubygems/rubygems/specification.rb:1257:in `each'
> from /usr/share/rubygems/rubygems/specification.rb:1257:in 
> `activate_dependencies'
> from /usr/share/rubygems/rubygems/specification.rb:1239:in `activate'
> from /usr/share/rubygems/rubygems/specification.rb:1271:in `block in 
> activate_dependencies'
> from /usr/share/rubygems/rubygems/specification.rb:1257:in `each'
> from /usr/share/rubygems/rubygems/specification.rb:1257:in 
> `activate_dependencies'
> from /usr/share/rubygems/rubygems/specification.rb:1239:in `activate'
> from /usr/share/rubygems/rubygems/core_ext/kernel_gem.rb:48:in `gem'
> from /usr/local/bin/rails:22:in `<main>'
> I've tried every possible solution I saw on the web but with no luck. 
> Any thoughts?
> P.S. gem list reveals rack available:
> rack (1.5.2, 1.4.0)
> rack-accept (0.4.3)
> rack-cache (1.2)
> rack-mount (0.8.3, 0.7.1)
> rack-protection (1.5.0)
> rack-restful_submit (1.2.2)
> rack-ssl (1.3.2)
> rack-test (0.6.2, 0.6.0
> TIA
> -- 
> Hiisi.
> Registered Linux User #487982. Be counted at: https://linuxcounter.net/
> --
> Spandex is a privilege, not a right.
>
>

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