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ActiveRecord::RecordNotFound

app/controllers/posts_controller.rb:112 

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

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/_next/image?q=75&url=http%3A%2F%2F169.254.169.254%2Flatest%2Fmeta-data%2F&w=1200
Browser ChromeChrome 147

Parameters

{
  "q": "75",
  "w": "1200",
  "id": "image",
  "url": "http://169.254.169.254/latest/meta-data/",
  "action": "show",
  "controller": "posts",
  "category_id": "_next"
}

Headers

Host rubycommunity.org
Accept text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Pragma no-cache
Sec-Ch-Ua "Not_A Brand";v="8", "Chromium";v="120", "Google Chrome";v="120"
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
X-Request-Id a5a21d97-f779-4980-be2a-cb6a818bdb8d
Cache-Control no-cache
Sec-Fetch-Dest document
Sec-Fetch-Mode navigate
Sec-Fetch-Site none
Sec-Fetch-User ?1
X-Kamal-Target 53d4cf1bf76f:80
Accept-Encoding gzip
Accept-Language zh-CN,zh;q=0.9
X-Forwarded-For 47.82.15.10, 172.18.0.3
X-Request-Start t=1779942305824
X-Sendfile-Type X-Sendfile
Sec-Ch-Ua-Mobile ?0
X-Forwarded-Host rubycommunity.org
X-Forwarded-Port 443
X-Forwarded-Proto https
Sec-Ch-Ua-Platform "macOS"
Upgrade-Insecure-Requests 1

Context

controller 
#<PostsController:0x00007e01df92dfd8>

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 9% CPU 13% RAM 92% Swap 93% Disk 59%

Deployments 1

52a23b1a3a2dc0c2ebc3e12cb7a33d0698be4084 15 Apr 07:58