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ActiveRecord::RecordNotFound

app/controllers/posts_controller.rb:112 

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

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/etc/shadow?_=48uw3kzj&v=hanko
Browser SafariSafari 17

Parameters

{
  "_": "48uw3kzj",
  "v": "hanko",
  "id": "shadow",
  "action": "show",
  "controller": "posts",
  "category_id": "etc"
}

Headers

Host rubycommunity.org
Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Referer https://www.google.com/
User-Agent Mozilla/5.0 (Macintosh; Intel Mac OS X 14_4_1) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4.1 Safari/605.1.15
X-Remote-Ip 172.27.27.216
X-Request-Id ccecbb71-5fe2-4b5b-ad1c-1edb81633163
Cache-Control max-age=0
X-Remote-Addr 172.27.27.216
True-Client-Ip 192.168.141.148
X-Kamal-Target 53d4cf1bf76f:80
Accept-Encoding gzip, deflate
Accept-Language ja-JP,ja;q=0.9,en-US;q=0.8,en;q=0.7
X-Forwarded-For 103.168.66.237, 172.18.0.3
X-Request-Start t=1782759941592
X-Sendfile-Type X-Sendfile
X-Forwarded-Host rubycommunity.org
X-Forwarded-Port 443
X-Originating-Ip 172.27.27.216
Akamai-Origin-Hop 1
X-Forwarded-Proto https
X-Cluster-Client-Ip 172.27.27.216
X-Akamai-Config-Log-Detail true

Context

controller 
#<PostsController:0x00007e01d717e880>

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 13% CPU 14% RAM 98% Swap 100% Disk 67%

Deployments 1

52a23b1a3a2dc0c2ebc3e12cb7a33d0698be4084 15 Apr 07:58