Do you have the rack -v 1.0.1 gem installed? On Jun 8, 12:41 pm, anon_comp <[email protected]> wrote: > On Jun 6, 6:10 am, Mike Peltzer <[email protected]> wrote: > > > > > > > Hey all, I am just getting started with RoR and am having trouble > > launching the localhost:3000 page. Here is the error message I am > > getting in my command prompt: > > > <code>C:\Users\Michael\rubydev\ch04\first>ruby script/server > > C:/Ruby19/lib/ruby/site_ruby/1.9.1/rubygems.rb:827:in > > `report_activate_error': R > > ubyGem version error: rack(1.0.0 not ~> 1.0.1) (Gem::LoadError) > > from C:/Ruby19/lib/ruby/site_ruby/1.9.1/rubygems.rb:261:in > > `activate' > > from C:/Ruby19/lib/ruby/site_ruby/1.9.1/rubygems.rb:68:in `gem' > > from > > C:/Ruby19/lib/ruby/gems/1.9.1/gems/actionpack-2.3.5/lib/action_cont > > roller.rb:34:in `<top (required)>' > > from > > C:/Ruby19/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s > > upport/dependencies.rb:156:in `require' > > from > > C:/Ruby19/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s > > upport/dependencies.rb:156:in `block in require' > > from > > C:/Ruby19/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s > > upport/dependencies.rb:521:in `new_constants_in' > > from > > C:/Ruby19/lib/ruby/gems/1.9.1/gems/activesupport-2.3.5/lib/active_s > > upport/dependencies.rb:156:in `require' > > from > > C:/Ruby19/lib/ruby/gems/1.9.1/gems/rails-2.3.5/lib/commands/server. > > rb:2:in `<top (required)>' > > from script/server:3:in `require' > > from script/server:3:in `<main>' </code> > > > I am not sure how to fix this, any advice would be great! thank you in > > advance! > > -- > > Posted viahttp://www.ruby-forum.com/. > > Hi Mike, > > I got a similar error to this before.This happened when I was > tinkering with the environment.rb. If you've done this, you'll want to > revert everything back. > > I haven't found a solution to fix this, so the best advice I can give > you is download Ruby 1.8.7 and redo the whole installation process as > well as your coding. You'll want to work in the Ruby 1.8.7 terminal so > the computer won't get confused about which Ruby version you're using. > It's not the best solution and far from ideal, but it's the only one I > have. > > Wish you luck :) > Anon_comp
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