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小さなホテルが予約を管理するのに役立つRailsアプリケーションを構築しているときに、奇妙なアプリケーションのハングが発生しました。予約の作成は正常に機能します。ゲストの追加、部屋への割り当てなど、問題はありません。しかし、商人が問い合わせを「確認」するために行くとき、Mongrelは私を干すためにたむろします。

予約のインデックスページには、現在の問い合わせと確認済みの予約が一覧表示されます。

# reservations/index.html.erb

<% unless @reservations.empty? %>
<h2>Inquiries</h2><hr/><br/>
<%= render :partial => 'reservation', :collection => @reservations.reject { |r| r.confirmed } %>
<h2>Confirmed Reservations</h2><hr/><br/>
<%= render :partial => 'reservation', :collection => @reservations.reject { |r| not r.confirmed }  %>
<% else %>
<%= link_to 'Search for rooms', :action => 'index', :controller => 'search' %>
<% end %>

予約パーシャル自体では、確認/非確認ロジックを呼び出すビットは、コントローラーアクションへの直接リンクです。

# _reservation.html.erb

(<% unless reservation.confirmed? %>
    <%= link_to 'Confirm Reservation', :action => 'confirm', :id => reservation.id %>
<% else %>
    <%= link_to 'Unconfirm Reservation', :action => 'unconfirm', :id => reservation.id %>
<% end %>)

私のルートのPUTにマップされている予約を確認するためのコントローラーのアクションは、次のようになります。

def confirm
  puts "\n\n\nConfirming reservation #{params[:id]}..."
  @reservation = Reservation.find(params[:id])
  puts "Found reservation! Confirming..."
  @reservation[:confirmed] = true
  puts "Confirmed, saving..."
  respond_to do |wants|            
    if @reservation.save
      flash[:notice] = 'Reservation has been confirmed.'
      wants.html { redirect_to :action => 'index' }
    else
      wants.html { render :action => 'index' }
    end
  end    
end

'@reservation.save'がそのトリックです。毎回確実なアプリがハングアップします。

誰かが私がここで何が起こっているのかを理解するのを手伝ってもらえますか？

/アップデート：

コンソールをいじってみると、別の方法で問題を示すことができました。

?> r = Reservation.find(36)
=> #<Reservation id: 36, customer_name: "buyer", customer_email: "buyer@buy.com", begin: "2009-06-22 00:00:00", end: "2009-06-26 00:00:00", request_timestamp: nil, notes: "Thanks!", created_at: "2009-06-13 20:36:50", updated_at: "2009-06-13 20:36:50", yacht_id: 7, adults: 1, children: 0, buyer_id: 3, confirmed: nil>
>> r.confirmed = true
=> true
>> r
=> #<Reservation id: 36, customer_name: "buyer", customer_email: "buyer@buy.com", begin: "2009-06-22 00:00:00", end: "2009-06-26 00:00:00", request_timestamp: nil, notes: "Thanks!", created_at: "2009-06-13 20:36:50", updated_at: "2009-06-13 20:36:50", yacht_id: 7, adults: 1, children: 0, buyer_id: 3, confirmed: true>
>> r.save!
IRB::Abort: abort then interrupt!!
    from C:/Ruby/lib/ruby/1.8/irb.rb:81:in `irb_abort'
    from C:/Ruby/lib/ruby/1.8/irb.rb:247:in `signal_handle'
    from C:/Ruby/lib/ruby/1.8/irb.rb:66:in `start'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/callbacks.rb:275:in `call'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/callbacks.rb:275:in `run_callbacks'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/callbacks.rb:344:in `callback'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/callbacks.rb:318:in `valid?'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/associations/association_proxy.rb:221:in `send'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/associations/association_proxy.rb:221:in `method_missing'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:906:in `validates_associated'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:906:in `collect'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:906:in `validates_associated'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:399:in `validates_each'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:396:in `each'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:396:in `validates_each'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/callbacks.rb:182:in `call'
 ... 2204 levels...
    from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/callbacks.rb:90:in `run'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/callbacks.rb:90:in `each'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/callbacks.rb:90:in `send'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/callbacks.rb:90:in `run'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/callbacks.rb:276:in `run_callbacks'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:1029:in `valid_without_callbacks?'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/callbacks.rb:315:in `valid?'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:1018:in `save_without_dirty!'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/dirty.rb:87:in `save_without_transactions!'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:200:in `save!'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/database_statements.rb:136:in `transaction'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:182:in `transaction'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:200:in `save!'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:208:in `rollback_active_record_state!'
    from C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:200:in `save!'
    from (irb):5>>

コンソールもロックされていることに注意してください。保存を中止する必要がありました。Ctrl-Cを使用したコマンド。

なぜ世界で救うのだろう！これをやっていますか？

/アップデート：

とった！！！それは私のモデルにありました。私は関連付けを検証しようとしていて、has_many/belongs_toを逆方向に取得していました。

みんな、ありがとう！

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2 に答える 2

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雑種の代わりに薄いものを使用してください。ログから詳細を投稿してください。通常、そのようにハングアップするだけではありません。

于 2009-06-13T23:53:34.867 に答える