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Heroku logs show no errors, but most of my URLs read "We're sorry, but something went wrong."

My application works fine on my local machine, but when I create my first post after clicking on the application in Heroku, I get "We're sorry, but something went wrong." On each page, except for the /posts/newCommand heroku logsshows:

2011-05-30T19:24:02+00:00 heroku[api]: Set maintenance mode off by myemailaddress@blah.com
2011-05-30T19:24:04+00:00 heroku[web.1]: Unidling
2011-05-30T19:24:04+00:00 heroku[web.1]: State changed from created to starting
2011-05-30T19:24:08+00:00 heroku[web.1]: Starting process with command: `thin -p 54761 -e production -R /home/heroku_rack/heroku.ru start`
2011-05-30T19:24:16+00:00 heroku[web.1]: State changed from starting to up
2011-05-30T19:24:17+00:00 heroku[router]: GET mywebsite.com/ dyno=web.1 queue=0 wait=0ms service=1172ms bytes=934
2011-05-30T19:24:17+00:00 heroku[router]: GET mywebsite.com/ dyno=web.1 queue=1 wait=1171ms service=58ms bytes=934
2011-05-30T19:26:27+00:00 heroku[router]: GET mywebsite.com/new dyno=web.1 queue=0 wait=0ms service=18ms bytes=4324
2011-05-30T19:26:27+00:00 heroku[router]: GET mywebsite.com/stylesheets/style.css dyno=web.1 queue=0 wait=0ms service=1ms bytes=5716
2011-05-30T19:26:28+00:00 heroku[router]: GET mywebsite.com/javascripts/jquery-ui-1.8.13.custom.min.js dyno=web.1 queue=0 wait=0ms service=8ms bytes=20496
2011-05-30T19:26:28+00:00 heroku[router]: GET mywebsite.com/javascripts/rails.js dyno=web.1 queue=0 wait=0ms service=1ms bytes=12951
2011-05-30T19:26:28+00:00 heroku[router]: GET mywebsite.com/stylesheets/jquery-ui-1.8.13.custom.css dyno=web.1 queue=0 wait=0ms service=9ms bytes=21082
2011-05-30T19:26:28+00:00 heroku[router]: GET mywebsite.com/images/newlogo.png dyno=web.1 queue=0 wait=0ms service=4ms bytes=2804
2011-05-30T19:27:18+00:00 heroku[router]: GET mywebsite.com/robots.txt dyno=web.1 queue=0 wait=0ms service=1ms bytes=455
2011-05-30T12:27:19-07:00 heroku[nginx]: GET /robots.txt HTTP/1.1 | 207.46.195.229 | 486 | http | 200
2011-05-30T19:27:59+00:00 heroku[router]: GET mywebsite.com/ dyno=web.1 queue=0 wait=0ms service=32ms bytes=934
2011-05-30T12:27:59-07:00 heroku[nginx]: GET / HTTP/1.1 | 207.46.195.229 | 965 | http | 500
2011-05-30T19:29:18+00:00 heroku[router]: GET mywebsite.com/ dyno=web.1 queue=0 wait=0ms service=21ms bytes=934
2011-05-30T12:29:19-07:00 heroku[nginx]: GET / HTTP/1.1 | 24.16.162.252 | 965 | http | 500
2011-05-30T19:29:28+00:00 heroku[router]: GET mywebsite.com/ dyno=web.1 queue=0 wait=0ms service=30ms bytes=934
2011-05-30T12:29:29-07:00 heroku[nginx]: GET / HTTP/1.0 | 207.46.195.229 | 965 | http | 500
2011-05-30T19:34:45+00:00 heroku[router]: GET mywebsite.com/posts dyno=web.1 queue=0 wait=0ms service=46ms bytes=934
2011-05-30T19:34:53+00:00 heroku[router]: GET mywebsite.com/posts/1 dyno=web.1 queue=0 wait=0ms service=45ms bytes=934

Heroku Service is not available today due to the holiday. I was wondering if anyone knows how I can fix this problem. I have enabled advanced logging.

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2 answers

If nothing is displayed in the logs, it is likely that your application is launching some kind of problem.

, , - .

rails server -e production
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, , Heroku .

, SO, , , Rails 4, , rails_12factor Gemfile, Heroku. , STDOUT Rails4, Heroku.

, , config/environments/production.rb:

config.log_level = :debug
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