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Getting GraphQL Error 503 on Localhost – “Worker exceeded resource limits” from cg.optimizely.com (Only on One Developer Machine)

Mahendra
Mahendra
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Hi everyone,

I'm facing an issue when trying to fetch content via Optimizely GraphQL on my local environment. The request fails with the following error:

Error: GraphQL Error (Code: 503): 
{
  "response": {
    "error": "<!DOCTYPE html>...<title>Worker exceeded resource limits | cg.optimizely.com | Cloudflare</title>...<h2 class=\"cf-subheadline\">Worker exceeded resource limits</h2>..."
  }
}

We are using Optimizely SaaS and Only one developer machine is experiencing this issue. Other developers get this error sometime but with in 1-2 refresh attempt it auto resolve on their local machine. We are using NextJs and connecting with Optimizely SaaS CMS Dev environment.

What I've tried so far:

  • Clear the browser cache
  • Changing the ISP and IP
  • Try in different browsers
  • Re-checkout and setup again
  • Restarted the local development server

Questions:

  1. Could this be related to something specific on one machine (e.g., IP throttling, DNS, cookies, etc.)?

  2. What system-level things should I check or reset (browser cache, DNS flush, local IP, etc.) to troubleshoot or fix this?

  3. Are there any logs or headers I can inspect for more details?

Any help or guidance would be greatly appreciated!

Thanks

#339423
Jun 16, 2025 18:14
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