这是我的堆栈信息： 堆栈：bamboo-mri-1.9.2
当我尝试通过以下命令访问heroku控制台时：
heroku run -a pakrat script/rails console（pakrat是我的应用名称）
我收到以下错误：
/app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/postgresql_adapter.rb:1032:in initialize': could not translate host name "ec2-107-22-169-50.compute-1.amazonaws.com" to address: Name or service not known (PGError)
from /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/postgresql_adapter.rb:1032:in new'
来自/app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/postgresql_adapter.rb:1032:in connect'
from /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/postgresql_adapter.rb:301:in initialize'
来自/app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/postgresql_adapter.rb:28:in new'
from /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/postgresql_adapter.rb:28:in postgresql_connection'
来自/app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:304:in new_connection'
from /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:323:in checkout_new_connection'
来自/app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:265:in block (2 levels) in checkout'
from /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:261:in loop'
来自/app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:261:in block in checkout'
from /usr/ruby1.9.2/lib/ruby/1.9.1/monitor.rb:201:in mon_synchronize'
来自/app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:260:in checkout'
from /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:162:in connection'
来自/app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:409:in retrieve_connection'
from /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/abstract/connection_specification.rb:107:in retrieve_connection'
来自/app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/connection_adapters/abstract/connection_specification.rb:89:in connection'
from /app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/base.rb:703:in table_exists？'
来自/app/.bundle/gems/ruby/1.9.1/gems/activerecord-3.1.1/lib/active_record/base.rb:798:in attribute_names'
from /app/.bundle/gems/ruby/1.9.1/gems/actionpack-3.1.1/lib/action_controller/metal/params_wrapper.rb:168:in _ set_wrapper_defaults'
来自/app/.bundle/gems/ruby/1.9.1/gems/actionpack-3.1.1/lib/action_controller/metal/params_wrapper.rb:128:in inherited'
from /app/.bundle/gems/ruby/1.9.1/gems/actionpack-3.1.1/lib/abstract_controller/railties/routes_helpers.rb:7:in阻止（2级）in'
来自/app/.bundle/gems/ruby/1.9.1/gems/actionpack-3.1.1/lib/action_controller/railties/paths.rb:7:in block (2 levels) in with'
from /app/app/controllers/authentications_controller.rb:1:in'
来自/app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:240:in require'
from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:240:in块中的'require'
来自/app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:225:in load_dependency'
from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:240:in require'
来自/app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:348:in require_or_load'
from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:302:in depend_on'
来自/app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:214:in require_dependency'
from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/engine.rb:417:in块（2级）in eager_load！'
来自/app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/engine.rb:416:in each'
from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/engine.rb:416:in阻止了eager_load！'
来自/app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/engine.rb:414:in each'
from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/engine.rb:414:in eager_load！'
来自/app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/application/finisher.rb:51:in block in <module:Finisher>'
from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/initializable.rb:30:in instance_exec'
来自/app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/initializable.rb:30:in run'
from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/initializable.rb:55:in块中的run_initializers'
来自/app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/initializable.rb:54:in each'
from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/initializable.rb:54:in run_initializers'
来自/app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/application.rb:96:in initialize!'
from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/railtie/configurable.rb:30:in method_missing'
来自/app/config/environment.rb:5:in <top (required)>'
from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:240:in require'
来自/app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:240:in block in require'
from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:223:in块中的load_dependency'
来自/app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:640:in new_constants_in'
from /app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:223:in load_dependency'
来自/app/.bundle/gems/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/dependencies.rb:240:in require'
from /app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/application.rb:83:in require_environment！'
来自/app/.bundle/gems/ruby/1.9.1/gems/railties-3.1.1/lib/rails/commands.rb:39:in <top (required)>'
from script/rails:6:in require'
来自script / rails：6：in''
答案 0 :(得分：0)
我认为问题与无法连接到postgres有关，所以我使用heroku pg：promote来提升我的数据库，如下所述：
https://devcenter.heroku.com/articles/heroku-postgres-addon
和heroku控制台再次工作