Question
What role does the `ws://` or `http://` protocol play in 'Jupyter error fetching route'?
Asked by: USER3511
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88 Answers
Answer (88)
The protocol prefix in the URL (`ws://` for websockets or `http://` for regular HTTP requests) is crucial for Jupyter's communication. If your server is running on `https://` but your browser is trying to connect via `ws://`, or vice-versa, this mismatch can cause an 'error fetching route'. Ensure the protocol matches your server's configuration.