问题描述
我尝试将现有项目从 Ruby 2.3 升级到 Ruby 2.6(最新版本)。一切正常,直到我在运行 rake db:create
rake aborted!
ActiveRecord::ConnectionNotEstablished: No connection pool for PublicActivity::ORM::ActiveRecord::Activity
/home/user/application/blogs/activity_extension.rb:10:in <module:Application>'
/home/user/application/blogs/activity_extension.rb:1:in'
/home/user/application/blogs/project.rb:8:in <top (required)>'
/home/user/application/users.rb:1:inrequire'
/home/user/application/users.rb:1:in <top (required)>'
/home/user/application/Rakefile:4:in'
我已经检查了 database.yml,一切似乎都很好。这是database.yml文件-
default: &default
adapter: postgresql
encoding: unicode
username: -------
password: -------
host: localhost
port: 5432
pool: 5
development:
<<: *default
database: mydbname
解决方法
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