Heroku precompile assets failed on Rail 4 app
I set
config.assets.initialize_on_precompile = false
in the application.rb. Assets were precompiled successfully locally by run
RAILS_ENV=production bundle exec rake assets:precompile
While the manifest-fingerprint.json(Rails 4.0 generates manifest.json instead of manifest.yml) was not detected when pushed to Heroku and Heroku tried to run precompile again. Then I got the error as:
Running: rake assets:precompile
rake aborted!
could not connect to server: Connection refused
Is the server running on host "127.0.0.1" and accepting
TCP/IP connections on port 5432?
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/postgresql_adapter.rb:771:in `initialize'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/postgresql_adapter.rb:771:in `new'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/postgresql_adapter.rb:771:in `connect'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/postgresql_adapter.rb:493:in `initialize'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/postgresql_adapter.rb:41:in `new'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/postgresql_adapter.rb:41:in `postgresql_connection'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/abstract/connection_pool.rb:446:in `new_connection'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/abstract/connection_pool.rb:456:in `checkout_new_connection'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/abstract/connection_pool.rb:427:in `acquire_connection'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/abstract/connection_pool.rb:364:in `block in checkout'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/abstract/connection_pool.rb:363:in `checkout'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/abstract/connection_pool.rb:273:in `block in connection'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/abstract/connection_pool.rb:272:in `connection'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_adapters/abstract/connection_pool.rb:552:in `retrieve_connection'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_handling.rb:79:in `retrieve_connection'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/connection_handling.rb:53:in `connection'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/model_schema.rb:208:in `columns'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/model_schema.rb:242:in `column_defaults'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/locking/optimistic.rb:169:in `column_defaults'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/core.rb:164:in `initialize'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/inheritance.rb:24:in `new'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0.beta1/lib/active_record/inheritance.rb:24:in `new'
/tmp/build_2ospgf61r6sch/lib/student_module.rb:11:in `acts_as_student'
/tmp/build_2ospgf61r6sch/app/models/applicant.rb:4:in `<class:Applicant>'
/tmp/build_2ospgf61r6sch/app/models/applicant.rb:3:in `<top (required)>'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:228:in `require'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:228:in `block in require'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:213:in `load_dependency'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:228:in `require'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:329:in `require_or_load'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:288:in `depend_on'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:206:in `require_dependency'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/engine.rb:464:in `block (2 levels) in eager_load!'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/engine.rb:463:in `each'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/engine.rb:463:in `block in eager_load!'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/engine.rb:461:in `each'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/engine.rb:461:in `eager_load!'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/engine.rb:346:in `eager_load!'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/application/finisher.rb:56:in `each'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/application/finisher.rb:56:in `block in <module:Finisher>'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/initializable.rb:30:in `instance_exec'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/initializable.rb:30:in `run'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/initializable.rb:55:in `block in run_initializers'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/initializable.rb:54:in `run_initializers'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/application.rb:213:in `initialize!'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/railtie/configurable.rb:30:in `method_missing'
/tmp/build_2ospgf61r6sch/config/environment.rb:5:in `<top (required)>'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:228:in `require'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:228:in `block in require'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:213:in `load_dependency'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0.beta1/lib/active_support/dependencies.rb:228:in `require'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/application.rb:187:in `require_environment!'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/railties-4.0.0.beta1/lib/rails/application.rb:247:in `block in run_tasks_blocks'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:246:in `call'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:246:in `block in execute'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:241:in `each'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:241:in `execute'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:184:in `block in invoke_with_call_chain'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:170:in `invoke'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/sprockets-rails-2.0.0.rc4/lib/sprockets/rails/task.rb:16:in `block (2 levels) in define'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:246:in `call'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:246:in `block in execute'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:241:in `each'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:241:in `execute'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:184:in `block in invoke_with_call_chain'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:205:in `block in invoke_prerequisites'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:203:in `each'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:203:in `invoke_prerequisites'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:183:in `block in invoke_with_call_chain'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:177:in `invoke_with_call_chain'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/task.rb:170:in `invoke'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:143:in `invoke_task'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:101:in `block (2 levels) in top_level'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:101:in `each'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:101:in `block in top_level'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:110:in `run_with_threads'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:95:in `top_level'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:73:in `block in run'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:160:in `standard_exception_handling'
/tmp/build_2ospgf61r6sch/vendor/bundle/ruby/2.0.0/gems/rake-10.0.4/lib/rake/application.rb:70:in `run'
Seems the error was due to the file in the lib/student_module.rb, which was required in config/initializers/student_init.rb:
#lib/student_module.rb, the error pointed to this line:
user_attributes = User.new.abttributes.keys
#config/initializers/student_init.rb
require 'student_module'
ActiveRecord::Base.extend Student
The error could be because Heroku initializes the app, which includes connection to the database. But I was not supposed to see the messages like
rake aborted!
could not connect to server: Connection refused
Is the server running on host "127.0.0.1" and accepting
TCP/IP connections on port 5432?
because I set config.assets.initialize_on_precompile false and also precompile the assets locally.
Any suggestions to solve this?Thanks!
You'll need to enable a labs feature on Heroku user-env-compile which gives the app access to the environment variables at compile time.
heroku labs:enable user-env-compile -a myapp
Read more about it at https://devcenter.heroku.com/articles/labs-user-env-compile
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