** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
** Invoke db:load_config (first_time)
** Invoke rails_env (first_time)
** Execute rails_env
** Execute db:load_config
** Execute db:migrate
==  AddClients: migrating =====================================================
-- create_table(:clients)
   -> 0.0237s
==  AddClients: migrated (0.0239s) ============================================

rake aborted!
An error has occurred, this and all later migrations canceled:

ArgumentError: prepare called on a closed database: rollback transaction
/var/lib/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/database.rb:91:in `initialize'
/var/lib/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/database.rb:91:in `new'
/var/lib/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/database.rb:91:in `prepare'
/var/lib/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/database.rb:134:in `execute'
/var/lib/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/database.rb:515:in `rollback'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/connection_adapters/sqlite_adapter.rb:322:in `block in rollback_db_transaction'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/connection_adapters/abstract_adapter.rb:280:in `block in log'
/var/lib/gems/1.9.1/gems/activesupport-3.2.2/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/connection_adapters/abstract_adapter.rb:275:in `log'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/connection_adapters/sqlite_adapter.rb:322:in `rollback_db_transaction'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/connection_adapters/abstract/database_statements.rb:229:in `rescue in transaction'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/connection_adapters/abstract/database_statements.rb:215:in `transaction'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/transactions.rb:208:in `transaction'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/migration.rb:759:in `ddl_transaction'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/migration.rb:703:in `block in migrate'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/migration.rb:684:in `each'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/migration.rb:684:in `migrate'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/migration.rb:554:in `up'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/migration.rb:535:in `migrate'
/var/lib/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/railties/databases.rake:153:in `block (2 levels) in <top (required)>'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain'
/usr/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:116:in `invoke_task'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block (2 levels) in top_level'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `each'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block in top_level'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:88:in `top_level'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:66:in `block in run'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:63:in `run'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/bin/rake:33:in `<top (required)>'
/usr/local/bin/rake:19:in `load'
/usr/local/bin/rake:19:in `<main>'
Tasks: TOP => db:migrate