Use mysql2 gem for 3x version of rails instead of mysql
--
Best Regards,
Ryan Cheung



On Wed, May 2, 2012 at 3:34 PM, Colin Law <[email protected]> wrote:

> On 1 May 2012 15:18, viicviicviic <[email protected]> wrote:
> > Hey, I im using Rails 3.2.3 for my app, and everything its ok when I
> > run rails s.
> >
> > But when I go to the browser i got this:
> >
> > ActiveRecord::ConnectionNotEstablished
> >
> > And this is the full trace:
> >
> > activerecord (3.2.3) lib/activerecord/connection_adapters/abstract/
> > connection_pool.rb:398:in retrieve_connection'
> > activerecord (3.2.3) lib/active_record/connection_adapters/abstract/
> > connection_specification.rb:168:inretrieve_connection'
> > activerecord (3.2.3) lib/active_record/connection_adapters/abstract/
> > connection_specification.rb:142:in connection'
> > activerecord (3.2.3) lib/active_record/query_cache.rb:67:inrescue in
> > call'
> > activerecord (3.2.3) lib/active_record/query_cache.rb:61:in call'
> > activerecord (3.2.3) lib/active_record/connection_adapters/abstract/
> > connection_pool.rb:467:incall'
> > actionpack (3.2.3) lib/action_dispatch/middleware/callbacks.rb:28:in
> > block in call'
> > activesupport (3.2.3) lib/active_support/callbacks.rb:
> > 405:in_run4231786738375313579call1989705551904492368_callbacks'
> > activesupport (3.2.3) lib/active_support/callbacks.rb:405:in
> > __run_callback'
> > activesupport (3.2.3) lib/active_support/callbacks.rb:
> > 385:in_run_call_callbacks'
> > activesupport (3.2.3) lib/active_support/callbacks.rb:81:in
> > run_callbacks'
> > actionpack (3.2.3) lib/action_dispatch/middleware/callbacks.rb:
> > 27:incall'
> > actionpack (3.2.3) lib/action_dispatch/middleware/reloader.rb:65:in
> > call'
> > actionpack (3.2.3) lib/action_dispatch/middleware/remote_ip.rb:
> > 31:incall'
> > actionpack (3.2.3) lib/action_dispatch/middleware/debug_exceptions.rb:
> > 16:in call'
> > actionpack (3.2.3) lib/action_dispatch/middleware/show_exceptions.rb:
> > 56:incall'
> > railties (3.2.3) lib/rails/rack/logger.rb:26:in call_app'
> > railties (3.2.3) lib/rails/rack/logger.rb:16:incall'
> > actionpack (3.2.3) lib/action_dispatch/middleware/request_id.rb:22:in
> > call'
> > rack (1.4.1) lib/rack/methodoverride.rb:21:incall'
> > rack (1.4.1) lib/rack/runtime.rb:17:in call'
> > activesupport (3.2.3) lib/active_support/cache/strategy/local_cache.rb:
> > 72:incall'
> > rack (1.4.1) lib/rack/lock.rb:15:in call'
> > actionpack (3.2.3) lib/action_dispatch/middleware/static.rb:62:incall'
> > railties (3.2.3) lib/rails/engine.rb:479:in call'
> > railties (3.2.3) lib/rails/application.rb:220:incall'
> > rack (1.4.1) lib/rack/content_length.rb:14:in call'
> > railties (3.2.3) lib/rails/rack/log_tailer.rb:14:incall'
> > rack (1.4.1) lib/rack/handler/webrick.rb:59:in service'
> > /Users/VictorHugo/.rvm/rubies/ruby-1.9.2-p318/lib/ruby/1.9.1/webrick/
> > httpserver.rb:111:inservice'
> > /Users/VictorHugo/.rvm/rubies/ruby-1.9.2-p318/lib/ruby/1.9.1/webrick/
> > httpserver.rb:70:in run'
> > /Users/VictorHugo/.rvm/rubies/ruby-1.9.2-p318/lib/ruby/1.9.1/webrick/
> > server.rb:183:inblock in start_thread'
> >
> >
> > And this is my database.yml
> >
> > # SQLite version 3.x
> > #   gem install sqlite3-ruby (not necessary on OS X Leopard)
> > development:
> >  adapter: mysql
> >  encoding: utf8
> >  reconnect: false
> >  database:
>
> It might be helpful to tell it which database to use.
> I don't understand how rake db:create or db:migrate worked with this file.
>
> Colin
>
> >  pool: 5
> >  username: root
> >  password:
> >  socket: /tmp/mysql.sock
> >
> > # Warning: The database defined as "test" will be erased and
> > # re-generated from your development database when you run "rake".
> > # Do not set this db to the same as development or production.
> > development:
> >  adapter: mysql
> >  encoding: utf8
> >  reconnect: false
> >  database:
> >  pool: 5
> >  username: root
> >  password:
> >  socket: /tmp/mysql.sock
> >
> > And I really dont know what it can be :/
> > Thx guys
> >
> > --
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>
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>

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