When no domain / fqdn properly setup, Foreman crashes with
an non explicit error:

bundle exec rake db:seed --trace
(in /home/fitzdsl/work/foreman)

• Invoke db:seed (first_time)
• Execute db:seed
• Invoke db:abort_if_pending_migrations (first_time)
• Invoke environment (first_time)
• Execute environment
  [deprecated] I18n.enforce_available_locales will default to true in the future. If you really want to skip validation of your locale you can set I18n.enforce_available_locales = false to avoid this message.
  rake aborted!
  Validation failed: Value must be a valid URI
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/validations.rb:56:in `save!'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/attribute_methods/dirty.rb:33:in `save!'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/transactions.rb:264:in `block in save!'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/transactions.rb:313:in `block in with_transaction_returning_status'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/transactions.rb:208:in `transaction'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/transactions.rb:311:in `with_transaction_returning_status'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/transactions.rb:264:in `save!'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/validations.rb:41:in `create!'
  /home/fitzdsl/work/foreman/app/models/setting.rb:162:in `create!'
  /home/fitzdsl/work/foreman/app/models/setting/general.rb:21:in `block (2 levels) in load_defaults'
  /home/fitzdsl/work/foreman/app/models/setting/general.rb:12:in `each'
  /home/fitzdsl/work/foreman/app/models/setting/general.rb:12:in `block in load_defaults'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/transactions.rb:208:in `transaction'
  /home/fitzdsl/work/foreman/app/models/setting/general.rb:9:in `load_defaults'
  /home/fitzdsl/work/foreman/config/initializers/foreman.rb:18:in `each'
  /home/fitzdsl/work/foreman/config/initializers/foreman.rb:18:in `<top (required)>'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.15/lib/active_support/dependencies.rb:245:in `load'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.15/lib/active_support/dependencies.rb:245:in `block in load'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.15/lib/active_support/dependencies.rb:236:in `load_dependency'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.15/lib/active_support/dependencies.rb:245:in `load'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/engine.rb:593:in `block (2 levels) in <class:Engine>'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/engine.rb:592:in `each'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/engine.rb:592:in `block in <class:Engine>'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/initializable.rb:30:in `instance_exec'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/initializable.rb:30:in `run'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/initializable.rb:55:in `block in run_initializers'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/initializable.rb:54:in `each'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/initializable.rb:54:in `run_initializers'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/application.rb:136:in `initialize!'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/railtie/configurable.rb:30:in `method_missing'
  /home/fitzdsl/work/foreman/config/environment.rb:5:in `<top (required)>'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.15/lib/active_support/dependencies.rb:251:in `require'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.15/lib/active_support/dependencies.rb:251:in `block in require'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.15/lib/active_support/dependencies.rb:236:in `load_dependency'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activesupport-3.2.15/lib/active_support/dependencies.rb:251:in `require'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/application.rb:103:in `require_environment!'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/railties-3.2.15/lib/rails/application.rb:305:in `block (2 levels) in initialize_tasks'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:236:in `call'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:236:in `block in execute'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:231:in `each'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:231:in `execute'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:175:in `block in invoke_with_call_chain'
  /home/fitzdsl/.rbenv/versions/1.9.3-p484/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:168:in `invoke_with_call_chain'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:197:in `block in invoke_prerequisites'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:195:in `each'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:195:in `invoke_prerequisites'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:174:in `block in invoke_with_call_chain'
  /home/fitzdsl/.rbenv/versions/1.9.3-p484/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:168:in `invoke_with_call_chain'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:161:in `invoke'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/activerecord-3.2.15/lib/active_record/railties/databases.rake:346:in `block (2 levels) in <top (required)>'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:236:in `call'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:236:in `block in execute'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:231:in `each'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:231:in `execute'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:175:in `block in invoke_with_call_chain'
  /home/fitzdsl/.rbenv/versions/1.9.3-p484/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:168:in `invoke_with_call_chain'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/task.rb:161:in `invoke'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:149:in `invoke_task'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:106:in `block (2 levels) in top_level'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:106:in `each'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:106:in `block in top_level'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:115:in `run_with_threads'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:100:in `top_level'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:78:in `block in run'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:165:in `standard_exception_handling'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/lib/rake/application.rb:75:in `run'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/gems/rake-10.1.0/bin/rake:33:in `<top (required)>'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/bin/rake:23:in `load'
  /home/fitzdsl/work/foreman/vendor/ruby/1.9.1/bin/rake:23:in `<main>'
  Tasks: TOP => db:abort_if_pending_migrations => environment