# -- My database.yml

development: &defaults
  adapter:  mysql
  database: mapi_development
  username: guy
  password: secret
  host:     localhost

test:
  <<:       *defaults
  database: mapi_test

production:
  <<:       *defaults
  database: mapi_production

# -- Error
guy@eagle:/project/mircell/mapi$ merb -i
 ~ Loaded DEVELOPMENT Environment...
 ~ loading gem 'dm-merb' from  ...
 ~ Connecting to database...
/usr/lib/ruby/gems/1.8/gems/dm-merb-0.9.0/lib/merb/orms/data_mapper/connection.rb:57:in `setup_connections': +uri+ must be a URI or String, but was Hash (ArgumentError)
        from /usr/lib/ruby/gems/1.8/gems/dm-merb-0.9.0/lib/merb/orms/data_mapper/connection.rb:40:in `connect'
        from /usr/lib/ruby/gems/1.8/gems/dm-merb-0.9.0/lib/dm-merb.rb:11:in `run'
        from /usr/lib/ruby/gems/1.8/gems/merb-core-0.9.2/lib/merb-core/bootloader.rb:67:in `run'
        from /usr/lib/ruby/gems/1.8/gems/merb-core-0.9.2/lib/merb-core/server.rb:42:in `start'
        from /usr/lib/ruby/gems/1.8/gems/merb-core-0.9.2/lib/merb-core.rb:29:in `start'
        from /usr/lib/ruby/gems/1.8/gems/merb-core-0.9.2/bin/merb:8
        from /usr/bin/merb:19:in `load'
        from /usr/bin/merb:19