ruby - Can't activate rails (= 2.3.15), already activated rails-3.2.17 -


i'm trying upgrade rails 2.3.15 3.2.17

i did bundle update, , changed controller syntax needed.

trying start server , i'm getting following error, familiar this? 

>> bundle exec script/server   /opt/boxen/rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/bundler-1.7.0/lib/bundler/rubygems_integration.rb:266:in `block in replace_gem': can't activate rails (= 2.3.15), activated rails-3.2.17. make sure dependencies added gemfile. (gem::loaderror)         /users/neo/src/myapp/config/boot.rb:60:in `load_rails_gem'         /users/neo/src/myapp/config/boot.rb:54:in `load_initializer'         /users/neo/src/myapp/config/boot.rb:38:in `run'         /users/neo/src/myapp/boot.rb:11:in `boot!'         /users/neo/src/myapp/config/boot.rb:114:in `<top (required)>'         script/server:2:in `require'         script/server:2:in `<main>'

my gemfile:

source "https://rubygems.org"  #ruby "1.8.7", :group => :staging  gem 'rails', '3.2.17' gem 'rake', '0.9.2' gem "aws-s3", :require => "aws/s3" gem 'authlogic', '~> 2.1.1' gem 'redcloth', :require => "redcloth" gem 'logging' gem 'panda' gem 'hoptoad_notifier' gem 'fastercsv' gem "comma", "~> 2.0" # specifying -v add support rails 2 gem 'pg' gem 'cloudfront-signer' gem 'newrelic_rpm' gem 'thin' group :development   gem 'heroku'   gem 'taps'   gem 'sqlite3'   gem 'pry'   gem 'rdoc' end gem 'heroku_san'  group :test   gem 'pg' end

any appreciated! thank you

edit:

with rails s or bundle exec rails s / server, rails message, below:

rails new app_path [options]  options:   -r, [--ruby=path]                                      # path ruby binary of choice                                                          # default: /opt/boxen/rbenv/versions/1.9.3-p545/bin/ruby   -b, [--builder=builder]                                # path application builder (can filesystem path or url)   -m, [--template=template]                              # path application template (can filesystem path or url)       [--skip-gemfile], [--no-skip-gemfile]              # don't create gemfile       [--skip-bundle], [--no-skip-bundle]                # don't run bundle install   -g, [--skip-git], [--no-skip-git]                      # skip git ignores , keeps   -o, [--skip-active-record], [--no-skip-active-record]  # skip active record files   -s, [--skip-sprockets], [--no-skip-sprockets]          # skip sprockets files   -d, [--database=database]                              # preconfigure selected database . . .

you should using 

bundle exec rails server

edit: used in script directory managed rails command. when upgrading, found easier use gemset isolate new gems old necessary switch , forth, , new rails command not play nicely old.


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