Rails 4 exception stack traces don't show in development

Question

I\'m following the rails tutorial book and using the c9.io web IDE as I follow the tutorials. While working on my sample application, I noticed that exceptions aren\'t being sho

Answer 1

Check the permissions of both 'log/development.log' folder and file to make sure rails can write there.

Answer 2

Try to let just config.consider_all_requests_local = true (in config/environments/development.rb)

and remove this line config.log_level = :debug (in config/environments/development.rb)

also, you can try with the gem better errors to see if it fix the problem https://github.com/charliesome/better_errors

if this doesn't fix it, run a "bundle update" in general, to see if there is a gem that is causing problems

Answer 3

You're not running the application in development. Rails apps can be run locally with rails s (short for rails server). Make sure you have RAILS_ENV or equivalent set to development.

Answer 4

Take a look into production log (log/production.log) on the server or log/ directory for other logs, for example log/unicorn.stderr.log or log/puma.log