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Can't connect to the kernel #290
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I can confirm that the same issue also occurs when I installed Jupyterhub in AWS. |
Apparently downgrading the tornado was the right call it just needs to be done in a right way:
to downgrade tornado. Then make sure to restart the server (within jupyrehub click on the control panel in the upper right corner, stop the server then start it again. From now on you should be able to connect to the notebook) |
Let's keep open until fixed. |
@PaluchowskiMatthew Do you have a chance to check #292? Would be done as follows:
branch_name="willirath-pin-tornado-5"
export \
TLJH_BOOTSTRAP_PIP_SPEC="git+https://github.com/jupyterhub/the-littlest-jupyterhub.git@${branch_name}"
curl \
https://raw.githubusercontent.com/jupyterhub/the-littlest-jupyterhub/${branch_name}/bootstrap/bootstrap.py \
| sudo -E python3 - --admin <admin-user-name> |
@willirath |
Should hopefully be fixed now with #292. Please re-open if that isn't the case! |
still experience this issue. downgrading tornado is not so easy since there are about 10 packages relying on the latest version of tornado. any help would be appreciated |
I successfully installed jupyterhub on a google cloud instance however I am unable to start a working jupyter notebook as it fails to connect to a kernel with a following message:
jupyterhub.service logs:
jupyter-deeption (user) logs:
I tried downgrading tornado as suggested here https://github.com/jupyter/notebook/issues/4399 however it did not resolve my issue... Any suggestions?
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