ActiveRecord::ConnectionNotEstablished

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Using sqlite3 everywhere but production, and everything else is running fine, but I'm seeing this error in development. Any ideas? Seems like this shouldn't happen with a functioning sqlite3 setup (created, migrated, etc).

$ resque-pool --environment development
resque-pool-manager[xxx][77466]: Resque Pool running in development environment
/Users/kcm/.rvm/gems/ruby-1.9.3-p327/gems/activerecord-3.2.6/lib/active_record/connection_adapters/abstract/connection_pool.rb:404:in `retrieve_connection': ActiveRecord::ConnectionNotEstablished (ActiveRecord::ConnectionNotEstablished)
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327/gems/activerecord-3.2.6/lib/active_record/connection_adapters/abstract/connection_specification.rb:168:in `retrieve_connection'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327/gems/activerecord-3.2.6/lib/active_record/connection_adapters/abstract/connection_specification.rb:142:in `connection'
    from /Users/kcm/src/distill/distill/lib/tasks/resque.rake:38:in `block in <top (required)>'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:227:in `call'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:227:in `block in execute'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:222:in `each'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:222:in `execute'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:166:in `block in invoke_with_call_chain'
    from /Users/kcm/.rvm/rubies/ruby-1.9.3-p327/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:159:in `invoke_with_call_chain'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:187:in `block in invoke_prerequisites'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:185:in `each'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:185:in `invoke_prerequisites'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:165:in `block in invoke_with_call_chain'
    from /Users/kcm/.rvm/rubies/ruby-1.9.3-p327/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:159:in `invoke_with_call_chain'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327@global/gems/rake-10.0.2/lib/rake/task.rb:152:in `invoke'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327/gems/resque-pool-0.3.0/lib/resque/pool/cli.rb:114:in `start_pool'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327/gems/resque-pool-0.3.0/lib/resque/pool/cli.rb:16:in `run'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327/gems/resque-pool-0.3.0/bin/resque-pool:7:in `<top (required)>'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327/bin/resque-pool:19:in `load'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327/bin/resque-pool:19:in `<main>'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327/bin/ruby_noexec_wrapper:14:in `eval'
    from /Users/kcm/.rvm/gems/ruby-1.9.3-p327/bin/ruby_noexec_wrapper:14:in `<main>'

Start with lib/tasks/resque.rake at line 38 and the resque-pool --environment development startup path, then trace how ActiveRecord is initialized before the connection is requested. Done means the development pool starts without ActiveRecord::ConnectionNotEstablished and the setup is covered by a regression check.

Written by the indexing model from the issue text.

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