postgresql で CAS を構成すると、サーバーが起動しません
database:
adapter: postgresql
database: MyDB_development
username: xxxxxxxxx
password: xxxxxxxxx
host: localhost
authenticator:
class: CASServer::Authenticators::SQL
database:
adapter: postgresql
database: MyDB_development
username: xxxxxxxxx
password: xxxxxxxxx
host: localhost
user_table: users
username_column: username
password_column: password
私は何かを逃していますか？
アップデート
私は使用していますubuntu 12.04
私はこれを得る：
>>> Redirecting RubyCAS-Server log to /var/log/casserver.log
>>> Running migrations to make sure your database schema is up to date...
/usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require': no such file to load -- pg (LoadError)
from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `require'
from /var/lib/gems/1.8/gems/activesupport-3.0.17/lib/active_support/dependencies.rb:242:in `require'
from /var/lib/gems/1.8/gems/activesupport-3.0.17/lib/active_support/dependencies.rb:225:in `load_dependency'
from /var/lib/gems/1.8/gems/activesupport-3.0.17/lib/active_support/dependencies.rb:597:in `new_constants_in'
from /var/lib/gems/1.8/gems/activesupport-3.0.17/lib/active_support/dependencies.rb:225:in `load_dependency'
from /var/lib/gems/1.8/gems/activesupport-3.0.17/lib/active_support/dependencies.rb:242:in `require'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/postgresql_adapter.rb:9:in `postgresql_connection'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/abstract/connection_pool.rb:229:in `send'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/abstract/connection_pool.rb:229:in `new_connection'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/abstract/connection_pool.rb:237:in `checkout_new_connection'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/abstract/connection_pool.rb:191:in `checkout'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/abstract/connection_pool.rb:187:in `loop'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/abstract/connection_pool.rb:187:in `checkout'
from /usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/abstract/connection_pool.rb:186:in `checkout'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/abstract/connection_pool.rb:94:in `connection'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/abstract/connection_pool.rb:317:in `retrieve_connection'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/abstract/connection_specification.rb:97:in `retrieve_connection'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/connection_adapters/abstract/connection_specification.rb:89:in `connection'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/migration.rb:488:in `initialize'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/migration.rb:435:in `new'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/migration.rb:435:in `up'
from /var/lib/gems/1.8/gems/activerecord-3.0.17/lib/active_record/migration.rb:417:in `migrate'
from /var/lib/gems/1.8/gems/rubycas-server-1.1.1/bin/../lib/casserver/server.rb:276:in `init_database!'
from /var/lib/gems/1.8/gems/rubycas-server-1.1.1/bin/../lib/casserver/server.rb:287
from /var/lib/gems/1.8/gems/sinatra-1.3.3/lib/sinatra/base.rb:1328:in `configure'
from /var/lib/gems/1.8/gems/rubycas-server-1.1.1/bin/../lib/casserver/server.rb:284
from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `require'
from /var/lib/gems/1.8/gems/rubycas-server-1.1.1/bin/../lib/casserver.rb:10
from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `require'
from /var/lib/gems/1.8/gems/rubycas-server-1.1.1/bin/rubycas-server:28
from /usr/local/bin/rubycas-server:19:in `load'
from /usr/local/bin/rubycas-server:19