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Fixing NGINX Upstream Connection Refused SSL Errors - How to Configure Edge Sync: Complete Checklist-Fix Node.js Heap Out of Memory When Processing Large JSON Files

Updated 2026-07-28 20:12:41developer-tools
Fixing NGINX Upstream Connection Refused SSL Errors - How to Configure Edge Sync: Complete Checklist-Fix Node.js Heap Out of Memory When Processing Large JSON Files
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.

More repair notes

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