~/triviatise$ bundle exec rake db:setup --trace
** Invoke db:setup (first_time)
** Invoke db:create (first_time)
** Invoke db:load_config (first_time)
** Invoke rails_env (first_time)
** Execute rails_env
** Execute db:load_config
rake aborted!
can't convert nil into Hash
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/to_ruby.rb:196:in `merge!'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/to_ruby.rb:196:in `block in visit_Psych_Nodes_Mapping'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/to_ruby.rb:190:in `each'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/to_ruby.rb:190:in `each_slice'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/to_ruby.rb:190:in `visit_Psych_Nodes_Mapping'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/visitor.rb:7:in `accept'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/to_ruby.rb:16:in `accept'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/to_ruby.rb:205:in `block in visit_Psych_Nodes_Mapping'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/to_ruby.rb:190:in `each'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/to_ruby.rb:190:in `each_slice'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/to_ruby.rb:190:in `visit_Psych_Nodes_Mapping'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/visitor.rb:7:in `accept'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/visitors/to_ruby.rb:16:in `accept'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych/nodes/node.rb:25:in `to_ruby'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/psych.rb:107:in `load'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/railties-3.1.0/lib/rails/application/configuration.rb:100:in `database_configuration'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/activerecord-3.1.0/lib/active_record/railties/databases.rake:6:in `block (2 levels) in <top (required)>'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:205:in `call'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:205:in `block in execute'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:200:in `each'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:200:in `execute'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:176:in `block in invoke_prerequisites'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:174:in `each'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:174:in `invoke_prerequisites'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:157:in `block in invoke_with_call_chain'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:176:in `block in invoke_prerequisites'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:174:in `each'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:174:in `invoke_prerequisites'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:157:in `block in invoke_with_call_chain'
/Users/achen/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/task.rb:144:in `invoke'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/application.rb:112:in `invoke_task'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/application.rb:90:in `block (2 levels) in top_level'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/application.rb:90:in `each'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/application.rb:90:in `block in top_level'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/application.rb:84:in `top_level'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/application.rb:62:in `block in run'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/lib/rake/application.rb:59:in `run'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/gems/rake-0.9.2/bin/rake:32:in `<top (required)>'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/bin/rake:19:in `load'
/Users/achen/.rvm/gems/ruby-1.9.2-p290@rails-3.1/bin/rake:19:in `<main>'
Tasks: TOP => db:setup => db:create => db:load_config