ruby-on-rails – Rails Heroku应用程序错误

发布时间：2020-12-17 01:47:48 所属栏目：百科来源：网络整理

导读：我的项目在当地运作良好.我把它部署到了Heroku.我有一些错误,应用无法在那里运行.我正在使用带有 postgresql的rails 4.无法理解为什么会这样. 在我看来,没有创建数据库.我应该在 database.yml上添加指定生产设置吗？ database.yml的 development: adapter: p

我的项目在当地运作良好.我把它部署到了Heroku.我有一些错误,应用无法在那里运行.我正在使用带有 postgresql的rails 4.无法理解为什么会这样.
在我看来,没有创建数据库.我应该在 database.yml上添加指定生产设置吗？

database.yml的

development:
  adapter: postgresql
  encoding: utf8
  database: test_store_dev
  pool: 5
  username: mike
  password: mike
  host: 127.0.0.1

test:
  adapter: postgresql
  encoding: utf8
  database: test_store_test
  pool: 5
  username: mike
  password: mike
  host: 127.0.0.1

从日志：

~/workspace/test_store$heroku logs --tail
2014-02-13T13:14:47.731382+00:00 app[web.1]:     3: 
2014-02-13T13:14:47.731535+00:00 app[web.1]:     6:   <% Category.roots.each do |category| %>
2014-02-13T13:14:47.731382+00:00 app[web.1]: : SELECT "categories".* FROM "categories"  WHERE "categories"."parent_id" IS NULL  ORDER BY "categories"."lft"):
2014-02-13T13:14:47.731972+00:00 app[web.1]: I,[2014-02-13T13:13:06.802166 #2]  INFO -- : Started GET "/" for 46.53.195.24 at 2014-02-13 13:13:06 +0000
2014-02-13T13:14:47.731828+00:00 app[web.1]:   vendor/bundle/ruby/2.0.0/gems/railties-4.0.0/lib/rails/application.rb:97:in `call'
2014-02-13T13:14:47.731972+00:00 app[web.1]: I,[2014-02-13T13:13:06.807361 #2]  INFO -- :   Rendered shared/_search_form.html.erb (0.6ms)
2014-02-13T13:14:47.731972+00:00 app[web.1]: E,[2014-02-13T13:13:06.810210 #2] ERROR -- : PG::UndefinedTable: ERROR:  relation "categories" does not exist
2014-02-13T13:14:47.731972+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories"  WHERE "categories"....
2014-02-13T13:14:47.731828+00:00 app[web.1]:   vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/handler/webrick.rb:60:in `service'
2014-02-13T13:14:47.731972+00:00 app[web.1]:                                    ^
2014-02-13T13:14:47.731972+00:00 app[web.1]: : SELECT "categories".* FROM "categories"  WHERE "categories"."parent_id" IS NULL  ORDER BY "categories"."lft"
2014-02-13T13:14:47.732116+00:00 app[web.1]: I,[2014-02-13T13:13:06.813303 #2]  INFO -- :   Rendered categories/index.html.erb within layouts/application (6.7ms)
2014-02-13T13:14:47.731972+00:00 app[web.1]: I,[2014-02-13T13:13:06.805622 #2]  INFO -- : Processing by CategoriesController#index as HTML
2014-02-13T13:14:47.732116+00:00 app[web.1]: F,[2014-02-13T13:13:06.819692 #2] FATAL -- : 
2014-02-13T13:14:47.732116+00:00 app[web.1]: ActionView::Template::Error (PG::UndefinedTable: ERROR:  relation "categories" does not exist
2014-02-13T13:14:47.732116+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories"  WHERE "categories"....
2014-02-13T13:14:47.732116+00:00 app[web.1]: : SELECT "categories".* FROM "categories"  WHERE "categories"."parent_id" IS NULL  ORDER BY "categories"."lft"):
2014-02-13T13:14:47.732116+00:00 app[web.1]:     3: 
2014-02-13T13:14:47.732116+00:00 app[web.1]:     4:   <%= render :partial => '/shared/search_form' %>
2014-02-13T13:14:47.732116+00:00 app[web.1]:     5: 
2014-02-13T13:14:47.732271+00:00 app[web.1]:     6:   <% Category.roots.each do |category| %>
2014-02-13T13:14:47.732116+00:00 app[web.1]:                                    ^
2014-02-13T13:14:47.732116+00:00 app[web.1]: I,[2014-02-13T13:13:06.814571 #2]  INFO -- : Completed 500 Internal Server Error in 9ms
2014-02-13T13:14:47.731683+00:00 app[web.1]:   vendor/bundle/ruby/2.0.0/gems/actionpack-4.0.0/lib/action_dispatch/middleware/request_id.rb:21:in `call'
2014-02-13T13:14:47.731828+00:00 app[web.1]:   vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/methodoverride.rb:21:in `call'
2014-02-13T13:14:47.731683+00:00 app[web.1]:   vendor/bundle/ruby/2.0.0/gems/railties-4.0.0/lib/rails/rack/logger.rb:21:in `call'
2014-02-13T13:14:47.732271+00:00 app[web.1]:   app/views/categories/index.html.erb:6:in `_app_views_categories_index_html_erb___3515298162048279666_69853047486040'
2014-02-13T13:14:47.732271+00:00 app[web.1]: 
2014-02-13T13:14:47.732271+00:00 app[web.1]: 
2014-02-13T13:14:47.732271+00:00 app[web.1]: I,[2014-02-13T13:14:42.123367 #2]  INFO -- : Started GET "/" for 46.53.195.24 at 2014-02-13 13:14:42 +0000
2014-02-13T13:14:47.732271+00:00 app[web.1]:     8:       <h3> <%= link_to category.name,products_path(:category => category.slug)  %> </h3>
2014-02-13T13:14:47.732271+00:00 app[web.1]:     7:     <div class="col-md-4">
2014-02-13T13:14:47.732429+00:00 app[web.1]: : SELECT "categories".* FROM "categories"  WHERE "categories"."parent_id" IS NULL  ORDER BY "categories"."lft"
2014-02-13T13:14:47.732429+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories"  WHERE "categories"....
2014-02-13T13:14:47.732429+00:00 app[web.1]:                                    ^
2014-02-13T13:14:47.732598+00:00 app[web.1]:     3: 
2014-02-13T13:14:47.732598+00:00 app[web.1]:     4:   <%= render :partial => '/shared/search_form' %>
2014-02-13T13:14:47.732598+00:00 app[web.1]:     5: 
2014-02-13T13:14:47.732598+00:00 app[web.1]:     6:   <% Category.roots.each do |category| %>
2014-02-13T13:14:47.732598+00:00 app[web.1]:     7:     <div class="col-md-4">
2014-02-13T13:14:47.732598+00:00 app[web.1]:     8:       <h3> <%= link_to category.name,products_path(:category => category.slug)  %> </h3>
2014-02-13T13:14:47.732429+00:00 app[web.1]: I,[2014-02-13T13:14:42.134755 #2]  INFO -- :   Rendered categories/index.html.erb within layouts/application (9.8ms)
2014-02-13T13:14:47.732743+00:00 app[web.1]: 
2014-02-13T13:14:47.732743+00:00 app[web.1]: I,[2014-02-13T13:14:47.723691 #2]  INFO -- :   Rendered shared/_search_form.html.erb (0.6ms)
2014-02-13T13:14:47.732743+00:00 app[web.1]: E,[2014-02-13T13:14:47.728029 #2] ERROR -- : PG::UndefinedTable: ERROR:  relation "categories" does not exist
2014-02-13T13:14:47.732743+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories"  WHERE "categories"....
2014-02-13T13:14:47.732598+00:00 app[web.1]:   app/views/categories/index.html.erb:6:in `_app_views_categories_index_html_erb___3515298162048279666_69853047486040'
2014-02-13T13:14:47.732598+00:00 app[web.1]: 
2014-02-13T13:14:47.732743+00:00 app[web.1]: I,[2014-02-13T13:14:47.729251 #2]  INFO -- : Completed 500 Internal Server Error in 11ms
2014-02-13T13:14:47.732886+00:00 app[web.1]: F,[2014-02-13T13:14:47.731100 #2] FATAL -- : 
2014-02-13T13:14:47.732886+00:00 app[web.1]: ActionView::Template::Error (PG::UndefinedTable: ERROR:  relation "categories" does not exist
2014-02-13T13:14:47.732886+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories"  WHERE "categories"....
2014-02-13T13:14:47.732886+00:00 app[web.1]:     3: 
2014-02-13T13:14:47.732743+00:00 app[web.1]:                                    ^
2014-02-13T13:14:47.732886+00:00 app[web.1]:     5: 
2014-02-13T13:14:47.732886+00:00 app[web.1]:     6:   <% Category.roots.each do |category| %>
2014-02-13T13:14:47.732886+00:00 app[web.1]:     7:     <div class="col-md-4">
2014-02-13T13:14:47.731828+00:00 app[web.1]:   vendor/bundle/ruby/2.0.0/gems/activesupport-4.0.0/lib/active_support/cache/strategy/local_cache.rb:83:in `call'
2014-02-13T13:14:47.733034+00:00 app[web.1]:     9: 
2014-02-13T13:14:47.733034+00:00 app[web.1]:     8:       <h3> <%= link_to category.name,products_path(:category => category.slug)  %> </h3>
2014-02-13T13:14:47.731828+00:00 app[web.1]:   vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/lock.rb:17:in `call'
2014-02-13T13:14:47.733034+00:00 app[web.1]: 
2014-02-13T13:14:47.731828+00:00 app[web.1]:   vendor/bundle/ruby/2.0.0/gems/rack-1.5.2/lib/rack/runtime.rb:17:in `call'
2014-02-13T13:14:47.732886+00:00 app[web.1]:     4:   <%= render :partial => '/shared/search_form' %>
2014-02-13T13:14:47.733034+00:00 app[web.1]:   app/views/categories/index.html.erb:6:in `_app_views_categories_index_html_erb___3515298162048279666_69853047486040'
2014-02-13T13:14:47.733034+00:00 app[web.1]: 
2014-02-13T13:14:47.731828+00:00 app[web.1]:   vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/httpserver.rb:94:in `run'
2014-02-13T13:14:47.731828+00:00 app[web.1]:   vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/httpserver.rb:138:in `service'
2014-02-13T13:14:47.731972+00:00 app[web.1]: 
2014-02-13T13:14:47.731972+00:00 app[web.1]: 
2014-02-13T13:14:47.731972+00:00 app[web.1]:   vendor/ruby-2.0.0/lib/ruby/2.0.0/webrick/server.rb:295:in `block in start_thread'
2014-02-13T13:14:47.732271+00:00 app[web.1]: I,[2014-02-13T13:14:42.124293 #2]  INFO -- : Processing by CategoriesController#index as HTML
2014-02-13T13:14:47.732271+00:00 app[web.1]: I,[2014-02-13T13:14:42.127769 #2]  INFO -- :   Rendered shared/_search_form.html.erb (0.5ms)
2014-02-13T13:14:47.732271+00:00 app[web.1]:     9: 
2014-02-13T13:14:47.732429+00:00 app[web.1]: I,[2014-02-13T13:14:42.134928 #2]  INFO -- : Completed 500 Internal Server Error in 11ms
2014-02-13T13:14:47.732429+00:00 app[web.1]: F,[2014-02-13T13:14:42.136566 #2] FATAL -- : 
2014-02-13T13:14:47.732429+00:00 app[web.1]: E,[2014-02-13T13:14:42.131964 #2] ERROR -- : PG::UndefinedTable: ERROR:  relation "categories" does not exist
2014-02-13T13:14:47.732429+00:00 app[web.1]: LINE 1: SELECT "categories".* FROM "categories"  WHERE "categories"....
2014-02-13T13:14:47.732429+00:00 app[web.1]:                                    ^
2014-02-13T13:14:47.732429+00:00 app[web.1]: ActionView::Template::Error (PG::UndefinedTable: ERROR:  relation "categories" does not exist
2014-02-13T13:14:47.732598+00:00 app[web.1]:     9: 
2014-02-13T13:14:47.732743+00:00 app[web.1]: I,[2014-02-13T13:14:47.715526 #2]  INFO -- : Started GET "/" for 46.53.195.24 at 2014-02-13 13:14:47 +0000
2014-02-13T13:14:47.732598+00:00 app[web.1]: : SELECT "categories".* FROM "categories"  WHERE "categories"."parent_id" IS NULL  ORDER BY "categories"."lft"):
2014-02-13T13:14:47.732743+00:00 app[web.1]: : SELECT "categories".* FROM "categories"  WHERE "categories"."parent_id" IS NULL  ORDER BY "categories"."lft"
2014-02-13T13:14:47.732743+00:00 app[web.1]: I,[2014-02-13T13:14:47.729098 #2]  INFO -- :   Rendered categories/index.html.erb within layouts/application (6.1ms)
2014-02-13T13:14:47.732743+00:00 app[web.1]: I,[2014-02-13T13:14:47.717991 #2]  INFO -- : Processing by CategoriesController#index as HTML
2014-02-13T13:14:47.732886+00:00 app[web.1]: : SELECT "categories".* FROM "categories"  WHERE "categories"."parent_id" IS NULL  ORDER BY "categories"."lft"):
2014-02-13T13:14:47.732886+00:00 app[web.1]:                                    ^
2014-02-13T13:14:42.190691+00:00 heroku[router]: at=info method=GET path=/ host=thawing-mesa-8086.herokuapp.com request_id=fa0aa0ee-7720-49c0-a2c4-271131bf6688 fwd="46.53.195.24" dyno=web.1 connect=0ms service=75ms status=500 bytes=1266

解决方法

(PG :: UndefinedTable：错误：关系“类别”不存在

你没有表“类别”

heroku run rake db:migrate

（编辑：李大同）

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