This could be a lot of things but I had similar errors that seemed to stem from a mismatch between versions. Are you running the same versions of jupyterlab and jupyterhub on both the Hub and the singleuser servers?
On Wed, Mar 31, 2021 at 8:57 AM Sunil Patil <sunil.20060...@gmail.com> wrote: > Hi, > Can some one please help me with below issue? > I randomly get errors 'Server Not Running' and 'Your server at ... is not > running. Would you like to restart it?' With option 'Restart' or 'Dismiss'. > This error occurs even if my code is running. > We have not set up any time out for inactivity in config file > jupyter_notebook_config.py or jupyterhub_config.py. > In jupyter logs I can see errors like: 'Failing suspected API request to > not-running server: /username/jupyter/hub/user/username/api/kernels' > > This behaviour interrupts running code and causes double work. > Can someone please guide me to identify root cause for this issue? and how > to overcome this? > > Thanks, > Sunil > > -- > You received this message because you are subscribed to the Google Groups > "Project Jupyter" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to jupyter+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jupyter/CAAmKPtigiwy0ZF-eKh-HccQAiUMg2rYJZmNPpQxcVEzvCnQ9tg%40mail.gmail.com > <https://groups.google.com/d/msgid/jupyter/CAAmKPtigiwy0ZF-eKh-HccQAiUMg2rYJZmNPpQxcVEzvCnQ9tg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Project Jupyter" group. To unsubscribe from this group and stop receiving emails from it, send an email to jupyter+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jupyter/CAOFssWyuXtx20b4oqFNffrfM1Kd8YWSt44W8_7bBZT4vJ%3D3yvA%40mail.gmail.com.
