我按照此处的说明创建了动态错误页面:http : //wearestac.com/blog/dynamic-error-pages-in-rails
当我通过/ 404或/ 500直接访问它们,或者尝试访问未在路由中处理的URL时,它们会起作用。但是,当我尝试render :status => 404
在生产中强制执行404动作时,出现以下错误:
Error during failsafe response: Missing template errors/show, application/show with {:locale=>[:en, :"en-US"], :formats=>[:html, :text, :js, :css, :ics, :csv, :vcf, :png, :jpeg, :gif, :bmp, :tiff, :mpeg, :xml, :rss, :atom, :yaml, :multipart_form, :url_encoded_form, :json, :pdf, :zip], :variants=>[], :handlers=>[:erb, :builder, :raw, :ruby]}.
Searched in:
* "/Users/Jeremy/Projects/git/rails/app/views"
404错误页面位于views / errors / 404.html.erb。从堆栈跟踪中,它甚至看起来都不像Rails正在访问ErrorsController。(下面是代码和跟踪)
在开发模式下,我得到标准的Rails错误页面,这是可以预期的。
application.rb
...
config.exceptions_app = self.routes
...
routes.rb
...
# Error pages
%w( 404 500 ).each do |code|
get code, :to => "errors#show", :code => code
end
...
errors_controller.rb
class ErrorsController < ApplicationController
def show
render status_code.to_s, :status => status_code
end
protected
def status_code
params[:code] || 500
end
end
堆栈跟踪似乎不太有用:
Error during failsafe response: Missing template errors/show, application/show with {:locale=>[:en, :"en-US"], :formats=>[:html, :text, :js, :css, :ics, :csv, :vcf, :png, :jpeg, :gif, :bmp, :tiff, :mpeg, :xml, :rss, :atom, :yaml, :multipart_form, :url_encoded_form, :json, :pdf, :zip], :variants=>[], :handlers=>[:erb, :builder, :raw, :ruby]}. Searched in:
* "/Users/Jeremy/Projects/git/rails/app/views"
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionview-4.1.1/lib/action_view/path_set.rb:46:in `find'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionview-4.1.1/lib/action_view/lookup_context.rb:124:in `find'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionview-4.1.1/lib/action_view/renderer/abstract_renderer.rb:18:in `find_template'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionview-4.1.1/lib/action_view/renderer/template_renderer.rb:41:in `determine_template'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionview-4.1.1/lib/action_view/renderer/template_renderer.rb:8:in `render'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionview-4.1.1/lib/action_view/renderer/renderer.rb:42:in `render_template'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionview-4.1.1/lib/action_view/renderer/renderer.rb:23:in `render'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionview-4.1.1/lib/action_view/rendering.rb:99:in `_render_template'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.1/lib/action_controller/metal/streaming.rb:217:in `_render_template'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionview-4.1.1/lib/action_view/rendering.rb:82:in `render_to_body'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.1/lib/action_controller/metal/rendering.rb:32:in `render_to_body'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.1/lib/action_controller/metal/renderers.rb:32:in `render_to_body'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.1/lib/abstract_controller/rendering.rb:25:in `render'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.1/lib/action_controller/metal/rendering.rb:16:in `render'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.1/lib/action_controller/metal/instrumentation.rb:41:in `block (2 levels) in render'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/activesupport-4.1.1/lib/active_support/core_ext/benchmark.rb:12:in `block in ms'
/Users/Jeremy/.rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/benchmark.rb:294:in `realtime'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/activesupport-4.1.1/lib/active_support/core_ext/benchmark.rb:12:in `ms'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.1/lib/action_controller/metal/instrumentation.rb:41:in `block in render'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.1/lib/action_controller/metal/instrumentation.rb:84:in `cleanup_view_runtime'
/Users/Jeremy/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.1/lib/action_controller/metal/instrumentation.rb:40:in `render'
/Users/Jeremy/Projects/git/rails/app/controllers/application_controller.rb:86:in `render_not_found'
/Users/Jeremy/Projects/git/rails/app/controllers/application_controller.rb:39:in `set_catalog_type'
尝试指定模板路径
def render_error(status) render status: status, template: "errors/#{status}" end
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我来说两句