Help with debugging - undefined method `[]' for nil:NilClass (NoMethodError) ?

Hello all,

Question for you all... I never came across this yet, I have an app where in developement it works perfect, but when I tried to launch it in production mode I received the following error below.. How can I figure out what undefined method is?

/filestore/files/projects/keith/config/environment.rb:56: undefined method `' for nil:NilClass (NoMethodError)

More details:

** Starting Rails with production environment... Exiting /filestore/files/projects/keith/config/environment.rb:56: undefined method `' for nil:NilClass (NoMethodError)         from ./script/../config/../vendor/rails/railties/lib/ initializer.rb:95:i n `run'         from /filestore/files/projects/keith/config/environment.rb:18         from /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_re quire'         from /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require'         from /filestore/files/projects/keith/vendor/rails/ activesupport/lib/acti ve_support/ dependencies.rb:510:in `require'         from /filestore/files/projects/keith/vendor/rails/ activesupport/lib/acti ve_support/ dependencies.rb:355:in `new_constants_in'         from /filestore/files/projects/keith/vendor/rails/ activesupport/lib/acti ve_support/ dependencies.rb:510:in `require'         from /var/lib/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/ rails.rb:14 7:in `rails'         from /var/lib/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails: 113:in `cloa ker_'         from /var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/ configurator.rb:14 9:in `call'         from /var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/ configurator.rb:14 9:in `listener'         from /var/lib/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails: 99:in `cloak er_'         from /var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/ configurator.rb:50 :in `call'         from /var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/ configurator.rb:50 :in `initialize'         from /var/lib/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails: 84:in `new'         from /var/lib/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails: 84:in `run'         from /var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/ command.rb:212:in `run'         from /var/lib/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails: 281         from /filestore/files/projects/keith/vendor/rails/ activesupport/lib/acti ve_support/ dependencies.rb:503:in `load'         from /filestore/files/projects/keith/vendor/rails/ activesupport/lib/acti ve_support/ dependencies.rb:503:in `load'         from /filestore/files/projects/keith/vendor/rails/ activesupport/lib/acti ve_support/ dependencies.rb:355:in `new_constants_in'         from /filestore/files/projects/keith/vendor/rails/ activesupport/lib/acti ve_support/ dependencies.rb:503:in `load'         from /filestore/files/projects/keith/vendor/rails/railties/lib/ commands/ servers/mongrel.rb:64         from /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_re quire'         from /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require'         from /filestore/files/projects/keith/vendor/rails/ activesupport/lib/acti ve_support/ dependencies.rb:510:in `require'         from /filestore/files/projects/keith/vendor/rails/ activesupport/lib/acti ve_support/ dependencies.rb:355:in `new_constants_in'         from /filestore/files/projects/keith/vendor/rails/ activesupport/lib/acti ve_support/ dependencies.rb:510:in `require'         from /filestore/files/projects/keith/vendor/rails/railties/lib/ commands/ server.rb:39         from /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_re quire'         from /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require'         from script/server:3

Thank you in advance! - John

Have you looked at what is on that line? No one can even begin to help without knowing that.

-Rob

Rob Biedenharn http://agileconsultingllc.com Rob@AgileConsultingLLC.com

Rob,

I figured it out, I was referencing a variable that didnt exist.

Thanks - John