Rail升级后资产预编译失败
我刚刚从Rails 4.0.4升级到4.1.8，当我推送到我们在Heroku上的登台服务器时，出现以下错误
Removing jquery-rails (3.0.4)
-----> Preparing app for Rails asset pipeline
Running: rake assets:precompile
rake aborted!
NoMethodError: undefined method `[]=' for nil:NilClass
/tmp/build_6e5605f8ccbbe1dcb495bb63b761220d/config/initializers/puma_database_connection.rb:7:in `block (2 levels) in <top (required)>'
/tmp/build_6e5605f8ccbbe1dcb495bb63b761220d/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.8/lib/active_support/lazy_load_hooks.rb:38:in `instance_eval'
/tmp/build_6e5605f8ccbbe1dcb495bb63b761220d/vendor/bundle/ruby/2.0.0/gems/activesupport
/tmp/build_6e5605f8ccbbe1dcb495bb63b761220d/vendor/bundle/ruby/2.0.0/gems/railties-
Tasks: TOP => environment
(See full trace by running task with --trace)
!
! Precompiling assets failed.
当我运行资产时：预编译RAILS_ENV =开发，它工作正常
有什么建议？
链接地址: http://www.djcxy.com/p/80003.html