Unhandled Runtime Error - EnsureResources was not able to find resources

[john-arcadian]

Preliminary Checks

• This issue is not a duplicate. Before opening a new issue, please search existing issues: https://github.com/gatsbyjs/gatsby/issues
• This issue is not a question, feature request, RFC, or anything other than a bug report directly related to Gatsby. Please post those things in GitHub Discussions: https://github.com/gatsbyjs/gatsby/discussions

Description

We have been seeing quite a number of Sentry errors due to an external service is trying to access URLs with %23 in the URL. And the website just crashes on those URLs.

Reproduction Link

https://github.com/gatsbyjs/gatsby-starter-minimal

Steps to Reproduce

1. Clone gatsby-starter-minimal
2. Start the development server using npm i && npm run develop
3. Go to http://localhost:8000/%23 and see the error, http://localhost:8000/%21 is fine

Expected Result

The 404 page

Actual Result

Unhandled Runtime Error on development. On production, the 404 page displays for one second and then becomes a blank page.

Environment

System:
    OS: Linux 5.15 Ubuntu 20.04.6 LTS (Focal Fossa)
    CPU: (8) x64 Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz
    Shell: 5.8 - /usr/bin/zsh
  Binaries:
    Node: 18.16.0 - ~/.nvm/versions/node/v18.16.0/bin/node
    Yarn: 1.22.19 - ~/.nvm/versions/node/v18.16.0/bin/yarn
    npm: 9.5.1 - ~/.nvm/versions/node/v18.16.0/bin/npm
  Languages:
    Python: 3.9.16 - /home/john/miniconda3/bin/python
  Browsers:
    Chrome: 114.0.5735.133
    Firefox: 114.0.1
  npmPackages:
    gatsby: ^5.11.0 => 5.11.0

Config Flags

No response

[capndesign]

@john-arcadian Did you ever find a workaround for this issue? I’m just digging into this, but trying to figure out if I can configure gatsby-node.js to route to a 404 page in these scenarios.