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HTTP ERROR 404 Problem accessing ??. Reason: Couldn't find the specified resource #2022
I'm trying to launch OpenRefine in a Docker container via Jupyterhub using the Jupyter docker spawner.
If I launch OpenRefine via the container
This same error appeared here: #258 and in that case seemed to be ascribed to a
FWIW, my OpenRefine Dockerfile is:
The Jupyterhub setup boradly follows the recipe decribed here — https://github.com/jupyterhub/dockerspawner/tree/master/examples/simple :
Login with anything and a user should be created.
My rationale for trying this is that if it can be made to work, it provides an easy way of setting up a multi-user OpenRefine server. (Note that we could just proxy OpenRefine in a Jupyter notebook container, which does work) but I wanted to see if I could get it working standalone (eg as per this Jupyter discourse thread).
I don't really understand what the Dockerspawner does when it launches a container, eg whether it tries to pass a command or environment vars into the container when it launches it? If it does pass things in, I wonder if they're useful when trying to launch OpenRefine. Or maybe it's trying to mount something?