Ruby on rails 在RubyonRails中保存模型失败。更新工作正常

我有一个小的RubyonRails应用程序，我正在尝试重构它，在这个过程中，它破坏了保存一些数据的能力。我花了整整一天的时间试图解决这个问题（我是一个Rails新手，基本上只限于尝试改进我已有的应用程序）

我有一些文件，这些文件有与其相关的位置：

class Document < ActiveRecord::Base   
  has_many :locations, :dependent => :destroy
end

class Location < ActiveRecord::Base
  belongs_to :document
end

我猜我的路线和管制员正处于一个正确的旧混乱中，但任何关于如何开始故障排除的建议都将不胜感激

development.log在我尝试添加位置时显示：

Started POST "/documents/210/locations" for 127.0.0.1 at 2012-11-04 23:14:16 +0000
DEPRECATION WARNING: class_inheritable_attribute is deprecated, please use class_attribute method instead. Notice their behavior are slightly different, so refer to class_attribute documentation first. (called from acts_as_taggable_on at /home/christian/Documents/business/development/pastpaper/vendor/plugins/acts-as-taggable-on/lib/acts_as_taggable_on/acts_as_taggable_on.rb:34)
  Processing by DocumentsController#locations as HTML
  Parameters: {"utf8"=>"✓", "authenticity_token"=>"OEsBVZPX8NznM0oO/O38/BSrjlpJrNV7oEZTWTcQV9c=", "location"=>{"street1"=>"xian1", "street2"=>"xian2", "town"=>"xian3", "county"=>"", "state"=>"", "country"=>""}, "commit"=>"Save", "document_id"=>"210"}
  Document Load (0.6ms)  SELECT `documents`.* FROM `documents` WHERE `documents`.`id` = 210 LIMIT 1
  DocumentAttribute Load (0.6ms)  SELECT `document_attributes`.* FROM `document_attributes` WHERE `document_attributes`.`document_id` IN (210)

---

如我所见，为该位置生成的资源路由包含一个必须存在的文档id。我假设您将位置资源路由定义为文档路由的嵌套。因此：

<%= form_for(@location,:url=>:document_locations, :method=>:post) do |f| %>

：document_locations，：method=>：post）do | f |%>

看起来不完整，因为您没有将文档传递到路由。尝试：

<%= form_for(@document, @location) do |f| %>

尝试在某个地方产生错误。在开发模式下应该足够详细。显示LocationsController和发布到创建操作的日志输出会很有帮助。感谢您的评论-我已经在问题中发布了development.log的输出。那有用吗？谢谢你，楚克。它返回的参数数

错误（1代表0）

对不起，调用错误，我是说（@location）do | f的form|u（post和url是推断出来的。但这并不能解决您的问题。发布日志错误，请注意，这种方式很难。只是如上所述进行了更改，并为#``使用了以下错误

未定义的方法
locations_path'。我在哪里可以找到日志错误？目前生成的唯一日志是development。loghumm…检查此项：。我不知道您是如何定义的。）对路线进行了罚款，但其中一种变体应该有效。。。
Started POST "/documents/210/locations" for 127.0.0.1 at 2012-11-04 23:14:16 +0000
DEPRECATION WARNING: class_inheritable_attribute is deprecated, please use class_attribute method instead. Notice their behavior are slightly different, so refer to class_attribute documentation first. (called from acts_as_taggable_on at /home/christian/Documents/business/development/pastpaper/vendor/plugins/acts-as-taggable-on/lib/acts_as_taggable_on/acts_as_taggable_on.rb:34)
  Processing by DocumentsController#locations as HTML
  Parameters: {"utf8"=>"✓", "authenticity_token"=>"OEsBVZPX8NznM0oO/O38/BSrjlpJrNV7oEZTWTcQV9c=", "location"=>{"street1"=>"xian1", "street2"=>"xian2", "town"=>"xian3", "county"=>"", "state"=>"", "country"=>""}, "commit"=>"Save", "document_id"=>"210"}
  Document Load (0.6ms)  SELECT `documents`.* FROM `documents` WHERE `documents`.`id` = 210 LIMIT 1
  DocumentAttribute Load (0.6ms)  SELECT `document_attributes`.* FROM `document_attributes` WHERE `document_attributes`.`document_id` IN (210)

<%= form_for(@location,:url=>:document_locations, :method=>:post) do |f| %>

<%= form_for(@document, @location) do |f| %>