没有路线匹配{：action =>“show”，：controller =>“spree / taxons”，：id => nil}

你好RoR程序员，

我被卡在定制的狂欢应用程序代码中，在升级到rails 5.1.5后出现错误 .

puma记录了这个错误：

故障安全响应期间出错：没有路由匹配{：action =>“show”，：controller =>“spree / taxons”，：id => nil}，可能无法匹配的约束：[：id] /root/.rbenv/versions /2.5.0/lib/ruby/gems/2.5.0/gems/actionpack-5.1.5/lib/action_dispatch/journey/formatter.rb:55:in generate'/root/.rbenv/versions/2.5.0/ lib / ruby / gems / 2.5.0 / gems / actionpack-5.1.5 / lib / action_dispatch / routing / route_set.rb：748：in generate'/root/.rbenv/versions/2.5.0/lib/ruby/gems /2.5.0/gems/actionpack-5.1.5/lib/action_dispatch/routing/route_set.rb:779:in generate'/root/.rbenv/versions/2.5.0/lib/ruby/gems/2.5.0/ gems / routing-filter-0.6.1 / lib / routing_filter / adapters / rails.rb:30：生成'/root/.rbenv/versions/2.5.0/lib/ruby/gems/2.5.0/gems中的块/routing-filter-0.6.1/lib/routing_filter/filters/locale.rb:70:in around_generate'/root/.rbenv/versions/2.5.0/lib/ruby/gems/2.5.0/gems/routing- filter-0.6.1 / lib / routing_filter / filter.rb：11：在运行'/root/.rbenv/versions/2.5.0/lib/ruby/gems/2.5.0/gems/routing-filter-0.6.1 / lib目录/ routing_ filter / chain.rb:15:in run'/root/.rbenv/versions/2.5.0/lib/ruby/gems/2.5.0/gems/routing-filter-0.6.1/lib/routing_filter/adapters/rails .rb：29：在生成'/root/.rbenv/versions/2.5.0/lib/ruby/gems/2.5.0/gems/actionpack-5.1.5/lib/action_dispatch/routing/route_set.rb:826：在url_for'/root/.rbenv/versions/2.5.0/lib/ruby/gems/2.5.0/gems/actionpack-5.1.5/lib/action_dispatch/routing/route_set.rb:277:in call'/ root /.rbenv/versions/2.5.0/lib/ruby/gems/2.5.0/gems/actionpack-5.1.5/lib/action_dispatch/routing/route_set.rb:335:in block（2级）in define_url_helper'/ root / .rbenv / versions / 2.5.0 / lib / ruby / gems / 2.5.0 / gems / actionpack-5.1.5 / lib / action_dispatch / routing / routes_proxy.rb:42:in nested_taxons_path'/root/.rbenv/ versions / 2.5.0 / lib / ruby / gems / 2.5.0 / gems / actionpack-5.1.5 / lib / action_dispatch / routing / routes_proxy.rb:45:in method_missing'/root/.rbenv/versions/2.5.0 /lib/ruby/gems/2.5.0/gems/spree_core-3.4.4/app/helpers/spree/base_helper.rb:79:in seo_url'/ home / ypill / wuxu18 / app / views / spree / frontend / ypill / _main_nav_bar.html.erb:16：在_d16a1d9612a1846710427ba2d762257f中的“块（3级）”中

应用程序/控制器/礼包/ taxons_controller.rb：

module Spree
  class TaxonsController < Spree::StoreController
    helper 'spree/products', 'spree/taxon_filters'

    respond_to :html

    def show
      @taxon = Taxon.friendly.find(params[:id])
      return unless @taxon

      @searcher = build_searcher(params.merge(taxon: @taxon.id, include_images: true))
      @products = @searcher.retrieve_products
      @taxonomies = Spree::Taxonomy.includes(root: :children)

大礼包/前端/配置/ routes.rb中：

# route globbing for pretty nested taxon and product paths
  get '/t/*id', to: 'taxons#show', as: :nested_taxons

在spree / core / app / helpers / spree / base_helper.rb中：

def seo_url(taxon)
  spree.nested_taxons_path(taxon.permalink)
end

第79行： spree.nested_taxons_path(taxon.permalink) method_missing' or undefined method 永久链接'为零：NilClass

自定义_main_nav_bar.html.erb文件代码，来自第16,14,13,12行的美洲狮记录错误：

<% @taxonomies ||= Spree::Taxonomy.includes(root: :children)  %>
<% max_level = Spree::Config[:max_level_in_taxons_menu] || 1 %>
<div class="navbar-header">
      <div class="container">
         <nav class="navbar" id="cssmenu">
          <ul class="navbar-nav">
            <li id="home-link"
            class="<%= ('active' if @page.nil? && @taxon.id == 12) unless @taxon.nil? %>"
              data-hook><%= link_to Spree.t(:home), spree.root_path %></li>

            <%#= @taxon.inspect %>
            <% @taxonomies.each do |taxonomy| %>
              <% cache [I18n.locale, taxonomy, max_level] do %>
                    <% taxonomy.root.children.each do |taxon| %>
                      <li class="<%= (taxon.id == @taxon.id ? 'active' : '') unless @taxon.nil? %>">
                        <%= link to taxon.name, seo_url(taxon) %>">
                        </a>
                      </li>
                    <% end %>
                <% end %>
            <% end %>
          </ul>

        </nav>

第12行：

<% @taxonomies.each do |taxonomy| %>

第13行：

<% cache [I18n.locale, taxonomy, max_level] do %>

第14行：

<% taxonomy.root.children.each do |taxon| %>

第16行

<%= link to taxon.name, seo_url(taxon) %>

在块（3级）中，puma寻找'seo_url'到spree_core-3.4.4 / app / helpers / spree / base_helper.rb：79'spree.nested_taxons_path（taxon.permalink）'方法丢失 .

main_nav_bar.html.erb在rails 4.2上工作 .

任何帮助表示赞赏 .