相关疑难解决方法(0)

我正在尝试创建自定义rake任务,但似乎我无法访问我的模型.我认为这是rails任务中隐含的内容.

我在lib/tasks/test.rake中有以下代码:

namespace :test do
  task :new_task do
    puts Parent.all.inspect
  end
end

这是我的父模型的样子:

class Parent < ActiveRecord::Base
  has_many :children
end

这是一个非常简单的例子,但我收到以下错误:

/> rake test:new_task
(in /Users/arash/Documents/dev/soft_deletes)
rake aborted!
uninitialized constant Parent

(See full trace by running task with --trace)

有任何想法吗？谢谢

我有一个奇怪的问题.在开发中这个问题不存在,但在生产中rake将这个错误消息抛给我"未初始化的常量程序"

"程序"是一个活动的记录模型,它就在那里,它位于模式文件中,它位于app/model文件夹中.

我执行它就像这个rake import:xml RAILS_ENV = production.可能是什么问题呢？下面是完整的堆栈跟踪

rake import:xml RAILS_ENV=production --trace
(in /usr/mobloom/www/htdocs/remindertest)
** Invoke import:xml (first_time)
** Invoke environment (first_time)
** Execute environment
** Execute import:xml
rake aborted!
uninitialized constant Program
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2503:in `const_missing'
/usr/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:92:in `const_missing'
/usr/mobloom/www/htdocs/remindertest/lib/tasks/import_assets.rake:18
/usr/mobloom/www/htdocs/remindertest/lib/tasks/import_assets.rake:9:in `each'
/usr/mobloom/www/htdocs/remindertest/lib/tasks/import_assets.rake:9
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain'
/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31
/usr/bin/rake:19:in `load'
/usr/bin/rake:19

第18行:program = …