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ActiveRecord::RecordNotFound

app/controllers/categories_controller.rb:3 

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

Backtrace

app/controllers/categories_controller.rb:3:in 'CategoriesController#show'
lib/middleware/malicious_path_blocker.rb:45:in 'Middleware::MaliciousPathBlocker#call'

Request

Name CategoriesController#show
Method GET
URL https://whyruby.info/join?return_to=%2Flogin%2Foauth%2Fauthorize%3Fclient_id%3DOv23liRmDZXQZDbzAChq%26redirect_uri%3Dhttps%253A%252F%252Fwhyruby.info%252Fauth%252Fgithub%252Fcallback%26response_type%3Dcode%26scope%3Duser%253Aemail%252Cread%253Auser%26state%3D7d55cffb53db8c59e67707e7f7637675c9027a3a7856af4c
Browser Microsoft EdgeMicrosoft Edge 146

Parameters

{
  "id": "join",
  "action": "show",
  "return_to": "/login/oauth/authorize?client_id=Ov23liRmDZXQZDbzAChq&redirect_uri=https%3A%2F%2Fwhyruby.info%2Fauth%2Fgithub%2Fcallback&response_type=code&scope=user%3Aemail%2Cread%3Auser&state=7d55cffb53db8c59e67707e7f7637675c9027a3a7856af4c",
  "controller": "categories"
}

Headers

Host whyruby.info
Accept */*
User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36 Edg/146.0.3856.109
X-Request-Id 2c658a7b-fe81-41a8-a831-ffda22974259
X-Kamal-Target 53d4cf1bf76f:80
Accept-Encoding gzip, br, deflate
X-Forwarded-For 45.13.225.2, 172.18.0.3
X-Request-Start t=1781263740863
X-Sendfile-Type X-Sendfile
X-Forwarded-Host whyruby.info
X-Forwarded-Port 443
X-Forwarded-Proto https

Context

controller 
#<CategoriesController:0x00007e01d6cf26e0>

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 22% CPU 15% RAM 94% Swap 100% Disk 62%

Deployments 1

52a23b1a3a2dc0c2ebc3e12cb7a33d0698be4084 15 Apr 07:58