# File lib/phusion_passenger/public_api.rb, line 168
        def log_cache_miss(env, name, generation_time = nil)
                transaction = lookup_union_station_web_transaction(env)
                if transaction
                        if generation_time
                                transaction.message("Cache miss (#{generation_time.to_i}): #{name}")
                        else
                                transaction.message("Cache miss: #{name}")
                        end
                        return true
                else
                        return false
                end
        end