Hello, I am experiencing a persistent issue with deploying a FastAPI application with a WebSocket endpoint on Hugging Face Spaces. All WebSocket connection attempts fail with server rejected WebSocket connection: HTTP 404, while standard HTTP GET requests to the same application work perfectly. Th…

FastAPI WebSocket returns HTTP 404 on Spaces

Efm-ua June 19, 2025, 7:45am 3

server rejected WebSocket connection: HTTP 404

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