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Question

Rails silent 500 error

  • Posted December 16, 2013

I started up a new rails project just to follow the tutorial posted on https://coderwall.com/p/yz8cha Everything went well, capistrano deploy cold and updates are running fine (at least with no errors), however when I go to my site it displays a rails 500 error. Just to make sure I’m understanding it correctly if it displays the rails 500 error than the problem isn’t with unicorn or nginx correct?

The frustrating part is that when i check the production.log it is blank…unicorn blank as well. When i run rake db:migrate in the rails root it throws an error that no database adapter is specified… here is my database.yml file:

development: adapter: postgresql username: *** password: *** database: stimuliproject_development host: localhost

test: adapter: postgresql username: *** password: *** database: stimuliproject_test host: localhost

production: adapter: postgresql username: *** password: *** database: stimuliproject_production host: localhost

Anyone know where to look or check?

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Kamal Nasser • December 18, 2013

Please pastebin unicorn’s config.

cj.miyake • December 16, 2013

I, [2013-12-12T19:45:54.866116 #15914] INFO – : listening on addr=/tmp/unicorn.projectname.sock fd=10 <br>I, [2013-12-12T19:45:54.866641 #15914] INFO – : worker=0 spawning… <br>I, [2013-12-12T19:45:54.868026 #15914] INFO – : worker=1 spawning… <br>I, [2013-12-12T19:45:54.870411 #15914] INFO – : master process ready <br>I, [2013-12-12T19:45:54.869321 #15917] INFO – : worker=0 spawned pid=15917 <br>I, [2013-12-12T19:45:54.885785 #15917] INFO – : Refreshing Gem list <br>I, [2013-12-12T19:45:54.894825 #15920] INFO – : worker=1 spawned pid=15920 <br>I, [2013-12-12T19:45:54.895155 #15920] INFO – : Refreshing Gem list <br>I, [2013-12-12T19:45:59.307398 #15920] INFO – : worker=1 ready <br>I, [2013-12-12T19:45:59.311137 #15917] INFO – : worker=0 ready <br>I, [2013-12-12T19:55:11.546481 #15914] INFO – : reaped #<Process::Status: pid 15917 exit 0> worker=0 <br>I, [2013-12-12T19:55:11.546678 #15914] INFO – : reaped #<Process::Status: pid 15920 exit 0> worker=1 <br>I, [2013-12-12T19:55:11.546869 #15914] INFO – : master complete <br>I, [2013-12-12T20:39:35.193060 #4593] INFO – : listening on addr=/tmp/unicorn.projectname.sock fd=10 <br>I, [2013-12-12T20:39:35.198043 #4593] INFO – : worker=0 spawning… <br>I, [2013-12-12T20:39:35.199220 #4593] INFO – : worker=1 spawning… <br>I, [2013-12-12T20:39:35.202869 #4596] INFO – : worker=0 spawned pid=4596 <br>I, [2013-12-12T20:39:35.203244 #4596] INFO – : Refreshing Gem list <br>I, [2013-12-12T20:39:35.206691 #4593] INFO – : master process ready <br>I, [2013-12-12T20:39:35.215129 #4599] INFO – : worker=1 spawned pid=4599 <br>I, [2013-12-12T20:39:35.215464 #4599] INFO – : Refreshing Gem list <br>I, [2013-12-12T20:39:39.493255 #4596] INFO – : worker=0 ready <br>I, [2013-12-12T20:39:39.499280 #4599] INFO – : worker=1 ready <br>I, [2013-12-12T20:49:37.653138 #4593] INFO – : reloading config_file=/home/cjiro/apps/stimuliproject/current/config/unicorn.rb <br>I, [2013-12-12T20:49:37.677980 #4593] INFO – : done reloading config_file=/home/cjiro/apps/stimuliproject/current/config/unicorn.rb <br>I, [2013-12-12T20:49:37.749748 #4593] INFO – : reaped #<Process::Status: pid 4599 exit 0> worker=1 <br>I, [2013-12-12T20:49:37.749974 #4593] INFO – : worker=1 spawning… <br>I, [2013-12-12T20:49:37.751175 #4593] INFO – : reaped #<Process::Status: pid 4596 exit 0> worker=0 <br>I, [2013-12-12T20:49:37.751528 #4593] INFO – : worker=0 spawning… <br>I, [2013-12-12T20:49:37.754598 #9095] INFO – : worker=0 spawned pid=9095 <br>I, [2013-12-12T20:49:37.754984 #9095] INFO – : Refreshing Gem list <br>I, [2013-12-12T20:49:37.753277 #9093] INFO – : worker=1 spawned pid=9093 <br>I, [2013-12-12T20:49:37.757700 #9093] INFO – : Refreshing Gem list <br>I, [2013-12-12T20:49:42.792908 #9095] INFO – : worker=0 ready <br>I, [2013-12-12T20:49:42.802600 #9093] INFO – : worker=1 ready <br>I, [2013-12-13T10:00:56.718753 #4593] INFO – : done reloading config_file=/home/cjiro/apps/stimuliproject/current/config/unicorn.rb <br>I, [2013-12-13T10:00:56.804477 #4593] INFO – : reaped #<Process::Status: pid 9095 exit 0> worker=0 <br>I, [2013-12-13T10:00:56.804680 #4593] INFO – : worker=0 spawning… <br>I, [2013-12-13T10:00:56.810620 #13665] INFO – : worker=0 spawned pid=13665 <br>I, [2013-12-13T10:00:56.811009 #13665] INFO – : Refreshing Gem list <br>I, [2013-12-13T10:00:56.815415 #4593] INFO – : reaped #<Process::Status: pid 9093 exit 0> worker=1 <br>I, [2013-12-13T10:00:56.815646 #4593] INFO – : worker=1 spawning… <br>I, [2013-12-13T10:00:56.817322 #13668] INFO – : worker=1 spawned pid=13668 <br>I, [2013-12-13T10:00:56.821297 #13668] INFO – : Refreshing Gem list <br>I, [2013-12-13T10:01:02.112870 #13668] INFO – : worker=1 ready <br>I, [2013-12-13T10:01:02.114201 #13665] INFO – : worker=0 ready <br>

Kamal Nasser • December 16, 2013

Check the <code>unicorn.log</code> file. Does it contain any errors?