$ rake --trace db:automigrate
(in /home/hal/project_name)
** Invoke db:automigrate (first_time)
** Invoke environment (first_time)
** Execute environment
** Execute db:automigrate
rake aborted!
unable to open database file
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/data_objects-0.10.5/lib/data_objects/connection.rb:79:in `initialize'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/data_objects-0.10.5/lib/data_objects/connection.rb:79:in `new'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/data_objects-0.10.5/lib/data_objects/pooling.rb:177:in `block in new'
<internal:prelude>:10:in `synchronize'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/data_objects-0.10.5/lib/data_objects/pooling.rb:172:in `new'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/data_objects-0.10.5/lib/data_objects/pooling.rb:119:in `new'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/data_objects-0.10.5/lib/data_objects/connection.rb:68:in `new'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-do-adapter-1.1.0/lib/dm-do-adapter/adapter.rb:251:in `open_connection'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-transactions-1.1.0/lib/dm-transactions/adapters/dm-do-adapter.rb:69:in `open_connection'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-do-adapter-1.1.0/lib/dm-do-adapter/adapter.rb:276:in `with_connection'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-do-adapter-1.1.0/lib/dm-do-adapter/adapter.rb:33:in `select'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-migrations-1.1.0/lib/dm-migrations/adapters/dm-mysql-adapter.rb:22:in `storage_exists?'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-migrations-1.1.0/lib/dm-migrations/auto_migration.rb:63:in `storage_exists?'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-migrations-1.1.0/lib/dm-migrations/auto_migration.rb:118:in `storage_exists?'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-constraints-1.1.0/lib/dm-constraints/migrations.rb:36:in `auto_migrate_down_constraints!'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-migrations-1.1.0/lib/dm-migrations/auto_migration.rb:45:in `block in repository_execute'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-core-1.1.0/lib/dm-core/support/descendant_set.rb:66:in `block in each'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-core-1.1.0/lib/dm-core/support/subject_set.rb:212:in `block in each'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-core-1.1.0/lib/dm-core/support/ordered_set.rb:321:in `block in each'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-core-1.1.0/lib/dm-core/support/ordered_set.rb:321:in `each'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-core-1.1.0/lib/dm-core/support/ordered_set.rb:321:in `each'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-core-1.1.0/lib/dm-core/support/subject_set.rb:212:in `each'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-core-1.1.0/lib/dm-core/support/descendant_set.rb:65:in `each'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-migrations-1.1.0/lib/dm-migrations/auto_migration.rb:44:in `repository_execute'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-constraints-1.1.0/lib/dm-constraints/migrations.rb:10:in `auto_migrate!'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-rails-1.1.0/lib/dm-rails/railties/database.rake:38:in `block (3 levels) in <top (required)>'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-rails-1.1.0/lib/dm-rails/railties/database.rake:37:in `each'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/dm-rails-1.1.0/lib/dm-rails/railties/database.rake:37:in `block (2 levels) in <top (required)>'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:636:in `call'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:636:in `block in execute'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:631:in `each'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:597:in `block in invoke_with_call_chain'
/home/hal/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:2029:in `block (2 levels) in top_level'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:2029:in `each'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:2029:in `block in top_level'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:2001:in `block in run'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/rake-0.8.7/bin/rake:31:in `<top (required)>'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/bin/rake:19:in `load'
/home/hal/.rvm/gems/ruby-1.9.2-p180@rails/bin/rake:19:in `<main>'
[hal@shadow project_name]$ vim +79 /home/hal/.rvm/gems/ruby-1.9.2-p180@rails/gems/data_objects-0.10.5/lib/data_objects/connection.rb