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ActiveRecord::RecordNotFound

app/controllers/posts_controller.rb:112 

Couldn't find Category with 'id'="articles"

Backtrace

app/controllers/posts_controller.rb:112:in 'PostsController#set_post'
lib/middleware/malicious_path_blocker.rb:45:in 'Middleware::MaliciousPathBlocker#call'

Request

Name PostsController#show
Method GET
URL https://rubycommunity.org/articles/ruby-with-practical-approach-chapter-15-ruby-lambdas
Browser ChromeChrome 148

Parameters

{
  "id": "ruby-with-practical-approach-chapter-15-ruby-lambdas",
  "action": "show",
  "controller": "posts",
  "category_id": "articles"
}

Headers

From googlebot(at)googlebot.com
Host rubycommunity.org
Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
User-Agent Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.7778.96 Mobile Safari/537.36 (compatible; GoogleOther)
X-Request-Id 80e5c4a6-cc59-494c-89de-fc475fa94880
X-Kamal-Target 53d4cf1bf76f:80
Accept-Encoding gzip, deflate, br
X-Forwarded-For 66.249.64.102, 172.18.0.3
X-Request-Start t=1779909652356
X-Sendfile-Type X-Sendfile
X-Forwarded-Host rubycommunity.org
X-Forwarded-Port 443
X-Forwarded-Proto https

Context

controller 
#<PostsController:0x00007e01d6571420>

Environment

os Linux 6.8.0-106-generic
cwd /rails
pid 24
host whyruby.info-1a9c2d0bc983
ruby ruby 4.0.1 (2026-01-13 revision e04267a14b) +YJIT +PRISM [x86_64-linux]
rails 8.2.0.alpha
revision 52a23b1a3a2dc0c2ebc3e12cb7a33d0698be4084

Server

Load CPU RAM Swap Disk
whyruby.info-1a9c2d0bc983 Load avg 6% CPU 12% RAM 96% Swap 90% Disk 59%

Deployments 1

52a23b1a3a2dc0c2ebc3e12cb7a33d0698be4084 15 Apr 07:58