Having deployed a very basic Rails 3.2.3 trial site to a "production" server (not really in production, thankfully!) with RVM Ruby 1.9.3-p194, I find the following to be true, of the commands listed here:
╔══════════════════════════════════════╤═══╗
║ command issued │OK?║
╟──────────────────────────────────────┼───╢
║ bundle exec rails console │ N ║
║ bundle exec rails console production │ Y ║
║ bundle exec rails server │ Y ║
║ bundle exec rails server production │ N ║
╚══════════════════════════════════════╧═══╝
My first question: is this expected? (I would have thought the pattern in the right column should be N-Y-N-Y.)
More info: bundle exec rails console
fails for the understandable reason that the sqlite3 gem is not installed on the server. However, bundle exec rails server production
fails with a much less understandable trace:
$ bundle exec rails server production
Exiting
/home/spkspike/www/spike.sampablokuper.com/releases/20120530134819/vendor/ruby/1.9.1/gems/rack-1.4.1/lib/rack/handler.rb:63:in `require': cannot load such file -- rack/handler/production (LoadError)
from /home/spkspike/www/spike.sampablokuper.com/releases/20120530134819/vendor/ruby/1.9.1/gems/rack-1.4.1/lib/rack/handler.rb:63:in `try_require'
from /home/spkspike/www/spike.sampablokuper.com/releases/20120530134819/vendor/ruby/1.9.1/gems/rack-1.4.1/lib/rack/handler.rb:16:in `get'
from /home/spkspike/www/spike.sampablokuper.com/releases/20120530134819/vendor/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:269:in `server'
from /home/spkspike/www/spike.sampablokuper.com/releases/20120530134819/vendor/ruby/1.9.1/gems/railties-3.2.3/lib/rails/commands/server.rb:59:in `start'
from /home/spkspike/www/spike.sampablokuper.com/releases/20120530134819/vendor/ruby/1.9.1/gems/railties-3.2.3/lib/rails/commands.rb:55:in `block in <top (required)>'
from /home/spkspike/www/spike.sampablokuper.com/releases/20120530134819/vendor/ruby/1.9.1/gems/railties-3.2.3/lib/rails/commands.rb:50:in `tap'
from /home/spkspike/www/spike.sampablokuper.com/releases/20120530134819/vendor/ruby/1.9.1/gems/railties-3.2.3/lib/rails/commands.rb:50:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
My second question: how best to troubleshoot this error?