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J'utilise mon application Heroku sur la base de données MySql. Maintenant, je veux passer à PostgreSQL pour une raison ou une autre. Pour cela, je change database.yml et change aussi mes fichiers de migration tel que requis par PostgreSQL. Je modifie également DATABASE_URL et SHARED_DATABASE_URL pour la même application. Mais quand je vais à l'application, il se bloque.Comment passer d'une application Heroku de MySql à PostgreSql
Heroku: journaux montrant erreur suivant
/disk1/home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/config/../vendor/rails/railties/lib/initializer.rb:271:in `require_frameworks': can't activate rack (~> 1.0.0, runtime) for [], already activated rack-1.1.0 for ["thin-1.2.6"] (RuntimeError)
from /disk1/home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/config/../vendor/rails/railties/lib/initializer.rb:134:in `process'
from /disk1/home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/config/../vendor/rails/railties/lib/initializer.rb:113:in `send'
from /disk1/home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/config/../vendor/rails/railties/lib/initializer.rb:113:in `run'
from /disk1/home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/config/environment.rb:9
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/thin-1.2.6/lib/rack/adapter/rails.rb:42:in `load_application'
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/thin-1.2.6/lib/rack/adapter/rails.rb:23:in `initialize'
from /home/heroku_rack/heroku.ru:29:in `new'
from /home/heroku_rack/heroku.ru:29
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `instance_eval'
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `initialize'
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:63:in `new'
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:63:in `map'
from /home/heroku_rack/heroku.ru:18
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `instance_eval'
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `initialize'
from /home/heroku_rack/heroku.ru:11:in `new'
from /home/heroku_rack/heroku.ru:11
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `instance_eval'
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `initialize'
from /home/heroku_rack/heroku.ru:1:in `new'
from /home/heroku_rack/heroku.ru:1
==> dyno-1284675.log (crash) <==
/disk1/home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/config/../vendor/rails/railties/lib/initializer.rb:271:in `require_frameworks': can't activate rack (~> 1.0.0, runtime) for [], already activated rack-1.1.0 for ["thin-1.2.6"] (RuntimeError)
from /disk1/home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/config/../vendor/rails/railties/lib/initializer.rb:134:in `process'
from /disk1/home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/config/../vendor/rails/railties/lib/initializer.rb:113:in `send'
from /disk1/home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/config/../vendor/rails/railties/lib/initializer.rb:113:in `run'
from /disk1/home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/config/environment.rb:9
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/thin-1.2.6/lib/rack/adapter/rails.rb:42:in `load_application'
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/thin-1.2.6/lib/rack/adapter/rails.rb:23:in `initialize'
from /home/heroku_rack/heroku.ru:29:in `new'-----> Heroku receiving push
-----> Rails app detected
Compiled slug size is 15.3MB
-----> Launching.... done
from /home/heroku_rack/heroku.ru:29
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `instance_eval'
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `initialize'
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:63:in `new'
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:63:in `map'
from /home/heroku_rack/heroku.ru:18
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `instance_eval'
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `initialize'
from /home/heroku_rack/heroku.ru:11:in `new'
from /home/heroku_rack/heroku.ru:11
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `instance_eval'
from /home/slugs/181380_0fa1c59_dfd1-7eadaa54-533c-4617-b1de-bf74852a7afe/mnt/.gems/gems/rack-1.1.0/lib/rack/builder.rb:46:in `initialize'
from /home/heroku_rack/heroku.ru:1:in `new'
from /home/heroku_rack/heroku.ru:1
-----> An error happened during the initialization of your app.
This may be due to a typo, wrong number of arguments, or calling a
function that doesn't exist.
Make sure the app is working locally in production mode, by running it
with RAILS_ENV (for Rails apps) or RACK_ENV (for Sinatra or other rack
apps) set to production. e.g. RAILS_ENV=production script/server.
Examine the backtrace above this message to debug.
==> cron-2153255.log (crash) <==
(in /disk1/home/slugs/181380_b09ba5c_aaf3-ed376a4c-936a-459f-b8c8-3111c45124e1/mnt)
config.gem: Unpacked gem CVS in vendor/gems has no specification file. Run 'rake gems:refresh_specs' to fix this.
config.gem: Unpacked gem CVS in vendor/gems not in a versioned directory. Giving up.
rake aborted!
undefined method `serve_static_assets=' for #<Rails::Configuration:0x2aec8dff9cc8>
(See full trace by running task with --trace)
-----> Your application crashed.
Examine the backtrace above this message to debug.
Je veux Les étapes à suivre lors du passage par la base de données pour Heroku ou comment éviter l'erreur mentionnée ci-dessus.
ÉDITÉ: -
mon fichier est .gems comme suit
rails -v 2.3.8
spreadsheet --version 0.6.4
spreadsheet-excel --version 0.3.5.1
rack --version 1.1.0
money --version 2.2.0
fastercsv --version 1.5.3
xml-mapping --version 0.8.1
Il donne la même erreur lorsque je change 'rack --version 1.1.0' ot « râtelier --version 1.0.0 '
Cordialement,
Salil Gaikwad
n'est pas liée au problème postgresql. Quel est votre Gemfile ou .gems? Avez-vous mince à l'intérieur? – shingara
@shingara: - s'il vous plaît vérifier ma réponse éditée – Salil
Avez-vous considéré bundler? – Reactormonk