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Running ruby 1.9.2p290 and the latest version of Sinatra.
When I try to run my Sinatra app
ruby application.rb
I get an error
C:/RailsInstaller/Ruby1.9.2/lib/ruby/gems/1.9.1/gems/rack-1.3.4/lib/rack/backports/uri/common_192.rb:53: warning: already initialized constant WFKV_
I checked out Rake "already initialized constant WFKV_" warning and tried that fix but had no success. http://localhost:4567/ also produces nothing.
Simple fix: gem ‘rack’ , ‘1.3.3’ (use the previous version of rack and the error goes away.) Much better than simply silencing.