While connecting to jupyter via iframe. Kernal not connecting. this error is coming

JupyterHub
,
1

Kernal not connecting.
This error is coming.
WebSocket connection to ‘wss://jupyter.website.com/api/kernels/953a7591-c79f-45a2-a11b-e082ea6254ee/channels?session_id=c51257e0-6bf2-489b-b86e-a76710163201’

2

If you can share more information, we have a better chance of helping:

Specifically:

  • versions of packages (output of pip freeze or conda list)
  • logs from the jupyter server surrounding the error
  • the javascript console errors and context