Ruby on Rails application could not be started

There appears to be a database problem.
  • Your config/database.yml may not be written correctly. Please check it and fix any errors.
  • Your database schema may be out of date or nonexistant. Please run rake db:migrate to ensure that the database schema is up-to-date.
  • The database server may not be running. Please check whether it's running, and start it if it isn't.
Error message:
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) (Mysql::Error)
Exception class:
Mysql::Error
Application root:
/home/vanne/rails/innerfusion/releases/20070413044754
Backtrace:
# File Line Location
0 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb 330 in `real_connect'
1 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb 330 in `connect'
2 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb 87 in `initialize'
3 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb 36 in `new'
4 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb 36 in `mysql_connection'
5 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb 251 in `send'
6 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb 251 in `connection_without_query_cache='
7 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/query_cache.rb 54 in `connection='
8 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb 220 in `retrieve_connection'
9 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb 78 in `connection'
10 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/base.rb 696 in `columns'
11 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/base.rb 709 in `column_names'
12 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/base.rb 722 in `column_methods_hash'
13 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/base.rb 1158 in `all_attributes_exists?'
14 /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb 27 in `all?'
15 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/base.rb 1158 in `each'
16 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/base.rb 1158 in `all?'
17 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/base.rb 1158 in `all_attributes_exists?'
18 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activerecord/lib/active_record/base.rb 1095 in `method_missing'
19 /home/vanne/rails/innerfusion/releases/20070413044754/app/models/radiant/config.rb 36 in `[]='
20 ./config/environment.rb 79
21 /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb 27 in `gem_original_require'
22 /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb 27 in `require'
23 /home/vanne/rails/innerfusion/releases/20070413044754/vendor/rails/activesupport/lib/active_support/dependencies.rb 147 in `require'
24 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/railz/application_spawner.rb 252 in `preload_application'
25 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/railz/application_spawner.rb 212 in `initialize_server'
26 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/utils.rb 181 in `report_app_init_status'
27 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/railz/application_spawner.rb 201 in `initialize_server'
28 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 166 in `start_synchronously'
29 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 135 in `start'
30 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 112 in `fork'
31 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 112 in `start'
32 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/railz/application_spawner.rb 177 in `start'
33 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/railz/framework_spawner.rb 270 in `handle_spawn_application'
34 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/railz/framework_spawner.rb 263 in `synchronize'
35 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/railz/framework_spawner.rb 263 in `handle_spawn_application'
36 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 317 in `__send__'
37 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 317 in `main_loop'
38 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 168 in `start_synchronously'
39 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 135 in `start'
40 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 112 in `fork'
41 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 112 in `start'
42 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/railz/framework_spawner.rb 87 in `start'
43 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/spawn_manager.rb 224 in `spawn_rails_application'
44 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/spawn_manager.rb 219 in `synchronize'
45 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/spawn_manager.rb 219 in `spawn_rails_application'
46 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/spawn_manager.rb 122 in `spawn_application'
47 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/spawn_manager.rb 253 in `handle_spawn_application'
48 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 317 in `__send__'
49 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 317 in `main_loop'
50 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/lib/passenger/abstract_server.rb 168 in `start_synchronously'
51 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.1/bin/passenger-spawn-server 46