所以我不确定它是什么。在本地主机上一切正常。
我在 Heroku 中遇到了这个错误。
Started GET "/posts/new" for 79.111.231.233 at 2012-10-05 08:04:17 -0700
app/views/posts/new.html.erb:2:in `_app_views_posts_new_html_erb__735551054742361459_22419140'
app/views/shared/_post_form.html.erb:22:in `block in _app_views_shared__post_form_html_erb__2081576675630015699_18673940'
22: <%= f.text_field :tags %>
app/views/shared/_post_form.html.erb:5:in `_app_views_shared__post_form_html_erb__2081576675630015699_18673940'
25: <div class="actions">
21: <div class="">
cache: [GET /posts/new] miss
ActionView::Template::Error (undefined method `tags' for #<Post:0x000000041424a0>):
app/controllers/posts_controller.rb:19:in `new'
这就是我所拥有的：
1.查看器
<%= form_for @post do |f| %>
... <%= f.text_field :tags %> ...
2.控制器
def new
@page_title = 'New post'
@user = current_user
@post = Post.new
render 'new'
end
3. 型号
attr_accessible :entry, :title, :private, :tags
4. 架构
create_table "posts", :force => true do |t|
t.string "title", :null => false
t.text "entry", :null => false
t.integer "user_id"
t.integer "category_id"
t.boolean "private", :default => false
t.datetime "created_at", :null => false
t.datetime "updated_at", :null => false
t.string "tags"
end