jupyter-server/jupyter-scheduler

Scheduler not working despite being installed and enabled

Padamire opened this issue · 7 comments

Hi guys

I recently installed Jupyter_Scheduler but was met with a pop up saying 'Jupyter Scheduler server extension not found', explaining the extension is installed but cannot be activated, as shown in the image below.
image

After following the recommendations, I ran mamba list to see the downloaded packages within anaconda, one of which was jupyter_scheduler v. 2.4.0. I then ran jupyter server extension list, which gave the following output.

image

Showing that jupyter scheduler's server extension is installed and enabled.

However, when I refresh the page, I get the same error popup saying that the scheduler is installed but not activated.

I have seen a workaround at jupyterlab/jupyterlab#8122 but they ask to delete the build-config.json file, which should be in JupyterLabs settings file, but the settings file is empty.

Is there any way to fix this? I've tried every possible way: Installing from Pypi, running pip install instead of mamba install etc. I've burned countless hours trying to fix it and there never seems to be a solution.

  • Browser: Chrome
  • Jupyter Server version: Jupyter Lab 4.0.8

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@Padamire Thanks for opening this issue! It looks like you're using Windows. Can you share more info about your setup? (Windows version, whether you're using Windows Subsystem for Linux, etc)

Hi Jason- I'm using Windows 11 (Version 22H2). I also have Anaconda Navigator installed to manage all my projects.

I just tried to install Jupyter Scheduler 2.4.0 on my Windows machine (Windows 10, JupyterLab 4.0.8, Miniconda) using the instructions for installation and verification, and I was successful. Do you see the same problem with a fresh Conda environment?

As observed in jupyterlab/jupyterlab#15658, you might have tried to install jupyterlab_scheduler, which is an unrelated extension. Please let us know if you still see this problem after going through the instructions linked above. Thanks!

@Padamire, could you please send a (sanitized) output of jupyter troubleshoot command from your terminal? It would help in troubleshooting.

Closing as non-active.

@Padamire, please check that you have jupyter-scheduler, not jupyterlab_scheduler installed as discussed here and in jupyterlab/jupyterlab#15658. If the problem still persists, please feel free to reopen the issue and send a (sanitized) output of jupyter troubleshoot command from your terminal.