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  • Your database schema may be out of date or nonexistant.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:
Mysql::Error: Table 'ror.sosyomat_page_caches' doesn't exist: SELECT * FROM `sosyomat_page_caches` (ActiveRecord::StatementInvalid)
Exception class:
ActiveRecord::StatementInvalid
Application root:
/www/sosyomat_optimize
Backtrace:
# File Line Location
0 /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract_adapter.rb 150 in `log'
1 /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/mysql_adapter.rb 281 in `execute'
2 /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/mysql_adapter.rb 481 in `select'
3 /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/database_statements.rb 7 in `select_all_without_query_cache'
4 /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/query_cache.rb 55 in `select_all'
5 /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/base.rb 532 in `find_by_sql'
6 /usr/local/lib/ruby/gems/1.8/gems/acts_as_readonlyable-0.0.9/lib/acts_as_readonlyable.rb 72 in `find_by_sql'
7 /usr/local/lib/ruby/gems/1.8/gems/acts_as_readonlyable-0.0.9/lib/acts_as_readonlyable.rb 108 in `run_on_db'
8 /usr/local/lib/ruby/gems/1.8/gems/acts_as_readonlyable-0.0.9/lib/acts_as_readonlyable.rb 123 in `run_on_readonly_db'
9 /usr/local/lib/ruby/gems/1.8/gems/acts_as_readonlyable-0.0.9/lib/acts_as_readonlyable.rb 108 in `run_on_db'
10 /usr/local/lib/ruby/gems/1.8/gems/acts_as_readonlyable-0.0.9/lib/acts_as_readonlyable.rb 72 in `find_by_sql'
11 /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/base.rb 1233 in `find_every'
12 /usr/local/lib/ruby/gems/1.8/gems/acts_as_readonlyable-0.0.9/lib/acts_as_readonlyable.rb 61 in `find_every'
13 /usr/local/lib/ruby/gems/1.8/gems/acts_as_readonlyable-0.0.9/lib/acts_as_readonlyable.rb 108 in `run_on_db'
14 /usr/local/lib/ruby/gems/1.8/gems/acts_as_readonlyable-0.0.9/lib/acts_as_readonlyable.rb 123 in `run_on_readonly_db'
15 /usr/local/lib/ruby/gems/1.8/gems/acts_as_readonlyable-0.0.9/lib/acts_as_readonlyable.rb 108 in `run_on_db'
16 /usr/local/lib/ruby/gems/1.8/gems/acts_as_readonlyable-0.0.9/lib/acts_as_readonlyable.rb 61 in `find_every'
17 /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/base.rb 503 in `find'
18 /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/base.rb 695 in `destroy_all'
19 /www/sosyomat_optimize/app/models/page_cache.rb 16 in `sweep_all'
20 ./config/environment.rb 233
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 /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb 496 in `require'
24 /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb 342 in `new_constants_in'
25 /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb 496 in `require'
26 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/railz/application_spawner.rb 252 in `preload_application'
27 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/railz/application_spawner.rb 212 in `initialize_server'
28 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/utils.rb 181 in `report_app_init_status'
29 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/railz/application_spawner.rb 201 in `initialize_server'
30 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 166 in `start_synchronously'
31 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 135 in `start'
32 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 112 in `fork'
33 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 112 in `start'
34 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/railz/application_spawner.rb 177 in `start'
35 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/railz/framework_spawner.rb 270 in `handle_spawn_application'
36 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/railz/framework_spawner.rb 263 in `synchronize'
37 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/railz/framework_spawner.rb 263 in `handle_spawn_application'
38 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 317 in `__send__'
39 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 317 in `main_loop'
40 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 168 in `start_synchronously'
41 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 135 in `start'
42 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 112 in `fork'
43 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 112 in `start'
44 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/railz/framework_spawner.rb 87 in `start'
45 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/spawn_manager.rb 218 in `spawn_rails_application'
46 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/spawn_manager.rb 213 in `synchronize'
47 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/spawn_manager.rb 213 in `spawn_rails_application'
48 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/spawn_manager.rb 122 in `spawn_application'
49 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/spawn_manager.rb 247 in `handle_spawn_application'
50 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 317 in `__send__'
51 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 317 in `main_loop'
52 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/lib/passenger/abstract_server.rb 168 in `start_synchronously'
53 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.0.3/bin/passenger-spawn-server 46