I am reading the agile web development with rails book, and starting to
create the depot. I am getting the below error after setting up the
"ruby script/generate scaffold Product Admin" does anyone know what
the
problem is?
NameError in AdminController#index
uninitialized constant Mysql
RAILS_ROOT: ./script/../config/../
Application Trace | Framework Trace | Full Trace
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:123:in
`const_missing''
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:133:in
`const_missing''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/mysql_adapter.rb:34:in
`mysql_connection''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:251:in
`connection_without_query_cache=''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/query_cache.rb:54:in
`connection=''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:220:in
`retrieve_connection''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:78:in
`connection''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/base.rb:696:in
`columns''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/calculations.rb:216:in
`column_for''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/calculations.rb:138:in
`calculate''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/calculations.rb:66:in
`count''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/pagination.rb:172:in
`count_collection_for_pagination''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/pagination.rb:196:in
`paginator_and_collection_for''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/pagination.rb:129:in
`paginate''
#{RAILS_ROOT}/app/controllers/admin_controller.rb:13:in `list''
#{RAILS_ROOT}/app/controllers/admin_controller.rb:8:in `index''
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:123:in
`const_missing''
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:133:in
`const_missing''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/mysql_adapter.rb:34:in
`mysql_connection''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:251:in
`connection_without_query_cache=''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/query_cache.rb:54:in
`connection=''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:220:in
`retrieve_connection''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:78:in
`connection''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/base.rb:696:in
`columns''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/calculations.rb:216:in
`column_for''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/calculations.rb:138:in
`calculate''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/calculations.rb:66:in
`count''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/pagination.rb:172:in
`count_collection_for_pagination''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/pagination.rb:196:in
`paginator_and_collection_for''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/pagination.rb:129:in
`paginate''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/base.rb:941:in
`perform_action_without_filters''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/filters.rb:368:in
`perform_action_without_benchmark''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/benchmarking.rb:69:in
`perform_action_without_rescue''
/usr/local/lib/ruby/1.8/benchmark.rb:293:in `measure''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/benchmarking.rb:69:in
`perform_action_without_rescue''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/rescue.rb:82:in
`perform_action''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/base.rb:408:in
`process_without_filters''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/filters.rb:377:in
`process_without_session_management_support''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/session_management.rb:117:in
`process''
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/dispatcher.rb:38:in
`dispatch''
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:115:in
`handle_dispatch''
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:81:in
`service''
/usr/local/lib/ruby/1.8/webrick/httpserver.rb:104:in `service''
/usr/local/lib/ruby/1.8/webrick/httpserver.rb:65:in `run''
/usr/local/lib/ruby/1.8/webrick/server.rb:173:in `start_thread''
/usr/local/lib/ruby/1.8/webrick/server.rb:162:in `start_thread''
/usr/local/lib/ruby/1.8/webrick/server.rb:95:in `start''
/usr/local/lib/ruby/1.8/webrick/server.rb:92:in `start''
/usr/local/lib/ruby/1.8/webrick/server.rb:23:in `start''
/usr/local/lib/ruby/1.8/webrick/server.rb:82:in `start''
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:67:in
`dispatch''
script/server:51
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:123:in
`const_missing''
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:133:in
`const_missing''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/mysql_adapter.rb:34:in
`mysql_connection''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:251:in
`connection_without_query_cache=''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/query_cache.rb:54:in
`connection=''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:220:in
`retrieve_connection''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/connection_adapters/abstract/connection_specification.rb:78:in
`connection''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/base.rb:696:in
`columns''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/calculations.rb:216:in
`column_for''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/calculations.rb:138:in
`calculate''
/usr/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/lib/active_record/calculations.rb:66:in
`count''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/pagination.rb:172:in
`count_collection_for_pagination''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/pagination.rb:196:in
`paginator_and_collection_for''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/pagination.rb:129:in
`paginate''
#{RAILS_ROOT}/app/controllers/admin_controller.rb:13:in `list''
#{RAILS_ROOT}/app/controllers/admin_controller.rb:8:in `index''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/base.rb:941:in
`perform_action_without_filters''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/filters.rb:368:in
`perform_action_without_benchmark''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/benchmarking.rb:69:in
`perform_action_without_rescue''
/usr/local/lib/ruby/1.8/benchmark.rb:293:in `measure''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/benchmarking.rb:69:in
`perform_action_without_rescue''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/rescue.rb:82:in
`perform_action''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/base.rb:408:in
`process_without_filters''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/filters.rb:377:in
`process_without_session_management_support''
/usr/local/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/session_management.rb:117:in
`process''
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/dispatcher.rb:38:in
`dispatch''
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:115:in
`handle_dispatch''
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:81:in
`service''
/usr/local/lib/ruby/1.8/webrick/httpserver.rb:104:in `service''
/usr/local/lib/ruby/1.8/webrick/httpserver.rb:65:in `run''
/usr/local/lib/ruby/1.8/webrick/server.rb:173:in `start_thread''
/usr/local/lib/ruby/1.8/webrick/server.rb:162:in `start_thread''
/usr/local/lib/ruby/1.8/webrick/server.rb:95:in `start''
/usr/local/lib/ruby/1.8/webrick/server.rb:92:in `start''
/usr/local/lib/ruby/1.8/webrick/server.rb:23:in `start''
/usr/local/lib/ruby/1.8/webrick/server.rb:82:in `start''
/usr/local/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:67:in
`dispatch''
script/server:51
This error occured while loading the following files:
active_record/mysql.rb
Request
Parameters: None
Show session dump
---
flash: !map:ActionController::Flash::FlashHash {}
Response
Headers: {"cookie"=>[],
"Cache-Control"=>"no-cache"}
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