starlette

2 posts

Sep 13, 2026

The WebSocket that shook hands twice

A week after fixing the Dogwalk endpoints that refused to connect, I learned a repeated handshake is worse than none: the second accept() killed the connection right after it opened. And the first fix still let a dead socket into the room.

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dogwalk websocket starlette

The WebSocket that never shook hands — and the 5 endpoints that went silent

Dogwalk

Aug 03, 2026

The WebSocket that never shook hands — and the 5 endpoints that went silent

All Dogwalk WebSockets returned HTTP 500 on handshake. The app ran, the database responded, but real-time login, chat and walk tracking simply wouldn't connect. The cause: a receive_text() called without the accept() Starlette requires.

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dogwalk websocket fastapi

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The WebSocket that shook hands twice

The WebSocket that never shook hands — and the 5 endpoints that went silent