延迟作业 Rails 3 未定义方法“up”

Question

我正在尝试使用 Rails 3.0.7 恢复几个月前的项目。

我之前曾延迟处理它，但现在我更新了我的 gems，当我尝试enqueue某些东西时，我收到以下错误。

NoMethodError（未定义方法up' for :null:Symbol）：`

代码行是：

Delayed::Job.enqueue DelayedXlsExport.new(@email, timestamp, filename)

DelayedXlsExport 是：

class DelayedXlsExport < Struct.new(:email, :timestamp, :filename)  
  def perform
    ....
  end
end

这是堆栈的一部分：

activesupport (3.0.10) lib/active_support/callbacks.rb:415:in _run_create_callbacks' activerecord (3.0.10) lib/active_record/callbacks.rb:277:in创建'activerecord (3.0.10) lib/active_record/persistence.rb:257:in create_or_update' activerecord (3.0.10) lib/active_record/callbacks.rb:273:in 块中 create_or_update'activesupport (3.0.10) lib/active_support/callbacks.rb:419:在 _run_save_callbacks' activerecord (3.0.10) lib/active_record/callbacks.rb:273:increate_or_update'activerecord (3.0.10) lib/active_record/persistence.rb:40:在 save' activerecord (3.0.10) lib/active_record/validations.rb:43:in保存'activerecord (3.0.10) lib/active_record/attribute_methods/dirty.rb:21:在中保存'activerecord (3.0.10) lib/active_record/transactions.rb:240:in块（2 级）中 保存’activerecord (3.0.10) lib/active_record/transactions.rb:292:in 阻止 with_transaction_returning_status 的 activerecord (3.0.10) lib/active_record/connection_adapters/abstract/database_statements.rb:139:in交易'activerecord (3.0.10) lib/active_record/transactions.rb:207:in transaction' activerecord (3.0.10)lib/active_record/transactions.rb:290:inwith_transaction_returning_status' activerecord (3.0.10) lib/active_record/transactions.rb:240:in 保存'activerecord中的块 (3.0.10)lib/active_record/transactions.rb:251:inrollback_active_record_state！'活动记录 (3.0.10) lib/active_record/transactions.rb:239:in save' activerecord (3.0.10) lib/active_record/base.rb:504:in创建' C:/dev/Ruby/Ruby192/lib/ruby/gems/1.9.1/bundler/gems/delayed_job-8efc2aa99e8b/lib/delayed/backend/base.rb:28:in `入队'

我的 gem 文件：

gem "delayed_job", :branch => 'v2.1', :git => 'git://github.com/collectiveidea/delayed_job.git'

这里有什么想法吗？

Answer 1

更新 workless gem 修复了此问题

gem 'workless', '0.2.0'