padrino/padrino-framework · error

Can not provide both cache_key and a block

Error message

Can not provide both cache_key and a block

What it means

Error "Can not provide both cache_key and a block" thrown in padrino/padrino-framework.

Source

Thrown at padrino-cache/lib/padrino-cache/helpers/page.rb:91

        #
        # @example
        #   controller '/blog', cache: true do
        #
        #     get '/post/:id' do
        #       cache_key :my_name
        #       @post = Post.find(params[:id])
        #     end
        #   end
        #
        # @example
        #     get '/foo', cache: true do
        #       cache_key { param[:id] }
        #       "My id is #{param[:id}"
        #     end
        #   end
        #
        def cache_key(name = nil, &block)
          raise 'Can not provide both cache_key and a block' if name && block
          @route.cache_key = name || block
        end

        CACHED_VERBS = { 'GET' => true, 'HEAD' => true }.freeze

        def self.padrino_route_added(route, verb, *)
          return unless route.cache && CACHED_VERBS[verb]

          route.before_filters do
            next unless settings.caching?
            if (cached_response = load_cached_response)
              content_type cached_response[:content_type]
              halt 200, cached_response[:body]
            end
          end

          route.after_filters do
            save_cached_response(route.cache_expires) if settings.caching?

View on GitHub (pinned to 167044f3d5)

When it happens

Trigger: Thrown at padrino-cache/lib/padrino-cache/helpers/page.rb:91 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of padrino/padrino-framework@167044f3d5 (2026-08-23). Data as JSON: /api/errors/c650acb92e07b57c. Report an issue: GitHub.