ruby-on-rails – Heroku upload – 预编译资产失败

发布时间：2020-12-16 20:07:18 所属栏目：百科来源：网络整理

导读：我需要帮助.当试图上传我的应用程序到heroku,我得到这个错误,谁知道为什么？有几个是错的谢谢 Using rake (10.1.0) ... Using tlsmail (0.0.1) Using uglifier (2.1.2) Your bundle is complete! It was installed into ./vendor/bundle----- Writing config

我需要帮助.当试图上传我的应用程序到heroku,我得到这个错误,谁知道为什么？有几个是错的谢谢

Using rake (10.1.0)
...
Using tlsmail (0.0.1)
Using uglifier (2.1.2)
Your bundle is complete! It was installed into ./vendor/bundle
-----> Writing config/database.yml to read from DATABASE_URL
-----> Preparing app for Rails asset pipeline
Running: rake assets:precompile
/tmp/build_e8889be5-168c-49ed-81e7-b71061fc82ee/vendor/bundle/ruby/1.9.1/gems/tlsmail-0.0.1/lib/net/smtp.rb:806: warning: already initialized constant SMTPSession
...
/tmp/build_e8889be5-168c-49ed-81e7-b71061fc82ee/vendor/bundle/ruby/1.9.1/gems/tlsmail-0.0.1/lib/net/pop.rb:702: warning: already initialized constant APOPSession
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile,or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /tmp/build_e8889be5-168c-49ed-81e7-b71061fc82ee/Rakefile:7)
...
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_e8889be5-168c-49ed-81e7-b71061fc82ee/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.12/lib/active_record/connection_adapters/postgresql_adapter.rb:1208:in `initialize'
/tmp/build_e8889be5-168c-49ed-81e7-b71061fc82ee/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.12/lib/active_record/connection_adapters/postgresql_adapter.rb:1208:in `new'
...
/tmp/build_e8889be5-168c-49ed-81e7-b71061fc82ee/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.12/lib/sprockets/assets.rake:29:in `block (2 levels) in <top (required)>'
Tasks: TOP => environment
(See full trace by running task with --trace)
!
! Precompiling assets failed.

解决方法

从 Heroku docs：

This means that your app is attempting to connect to the database as part of rake assets:precompile. Because the config vars are not present in the environment,we use a placeholder DATABASE_URL to satisfy Rails.

要解决此问题,请确保您的config / application.rb中显示以下行：

# config/application.rb
config.assets.initialize_on_precompile = false

一旦添加,提交您的更改并重新部署到Heroku – 您的资产应该编译没有您的应用程序尝试连接到数据库,这将解决您正在目睹的错误.

更新：

your stacktrace第46行包含以下消息：Devise.secret_key未设置.

According作者Devise,José Valim,此问题可以通过以下方式解决：

Please add the following to your Devise initializer:

config.secret_key = ‘– secret key –‘

或者,the following solution似乎已经为一些用户工作：

I went to my routes.rb file and commented out the line devise_for :installs

Then I went back and reran rails generate devise:install. If that doesn’t work,use the previous version of devise by editing your Gemfile’s reference to Devise like this: gem ‘devise’,‘3.0.3’ and then follow the steps i mentioned above.

（编辑：李大同）

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