Ensure we are not calling length on nil.

railties/lib/rails/tasks/routes.rake

@@ -1,8 +1,7 @@
 desc 'Print out all defined routes in match order, with names. Target specific controller with CONTROLLER=x.'
 task :routes => :environment do
   Rails.application.reload_routes!
-
-  all_routes   = Rails.application.routes.routes
+  all_routes = Rails.application.routes.routes
 
   if ENV['CONTROLLER']
     all_routes = all_routes.select{ |route| route.defaults[:controller] == ENV['CONTROLLER'] }
@@ -19,9 +18,9 @@ task :routes => :environment do
 
   routes.reject! { |r| r[:path] =~ %r{/rails/info/properties} } # Skip the route if it's internal info route
 
-  name_width = routes.map{ |r| r[:name] }.map(&:length).max
-  verb_width = routes.map{ |r| r[:verb] }.map(&:length).max
-  path_width = routes.map{ |r| r[:path] }.map(&:length).max
+  name_width = routes.map{ |r| r[:name].length if r[:name] }.max
+  verb_width = routes.map{ |r| r[:verb].length if r[:verb] }.max
+  path_width = routes.map{ |r| r[:path].length if r[:path] }.max
 
   routes.each do |r|
     puts "#{r[:name].rjust(name_width)} #{r[:verb].ljust(verb_width)} #{r[:path].ljust(path_width)} #{r[:reqs]}"