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ruby-on-rails – rake aborted!用于ActiveRecord :: Base的未

发布时间:2020-12-17 03:48:07 所属栏目:百科 来源:网络整理
导读:我正在开发 Ruby on Rails上的项目 到目前为止,我使用了Rails 4,在我遇到宝石的无能力问题之前,一切都很好.我决定回滚到Rails 3,更改我的Gemfile,删除Gemfile.lock,所有rails安装和railties.然后我运行bundle install并安装了Rails 3.2.13. 但是现在当我运行
我正在开发 Ruby on Rails上的项目
到目前为止,我使用了Rails 4,在我遇到宝石的无能力问题之前,一切都很好.我决定回滚到Rails 3,更改我的Gemfile,删除Gemfile.lock,所有rails安装和railties.然后我运行bundle install并安装了Rails 3.2.13.
但是现在当我运行rake db时:创建一切仍然很好.
当我运行rake db:migrate问题开始时:

JeffreeBook:llvoo kristijonas$rake db:migrate
WARNING: Nokogiri was built against LibXML version 2.8.0,but has dynamically loaded 2.7.8
rake aborted!
undefined method `migration_error=' for ActiveRecord::Base:Class
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/gems/activerecord-3.2.13/lib/active_record/dynamic_matchers.rb:55:in `method_missing'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/gems/activerecord-3.2.13/lib/active_record/railtie.rb:66:in `block (3 levels) in <class:Railtie>'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/gems/activerecord-3.2.13/lib/active_record/railtie.rb:65:in `each'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/gems/activerecord-3.2.13/lib/active_record/railtie.rb:65:in `block (2 levels) in <class:Railtie>'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:36:in `instance_eval'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:43:in `block in run_load_hooks'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:42:in `each'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:42:in `run_load_hooks'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/gems/activerecord-3.2.13/lib/active_record/base.rb:720:in `<top (required)>'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/gems/activerecord-3.2.13/lib/active_record/railties/databases.rake:25:in `block (2 levels) in <top (required)>'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/bin/ruby_noexec_wrapper:14:in `eval'
/Users/kristijonas/.rvm/gems/ruby-1.9.3-p448@fashion/bin/ruby_noexec_wrapper:14:in `<main>'
Tasks: TOP => db:migrate => db:load_config
(See full trace by running task with --trace)
JeffreeBook:llvoo kristijonas$

如何解决它?使用db config一切都很好

解决方法

将Rails 4项目回滚到Rails 3会给我带来这个错误.从config / environments / development.rb中删除以下行修复了此问题:

config.active_record.migration_error = :page_load

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