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Posted to dev@datalab.apache.org by "Vira Vitanska (Jira)" <ji...@apache.org> on 2022/05/05 08:26:00 UTC

[jira] [Created] (DATALAB-2795) Jupyter UI link leads to 502 error

Vira Vitanska created DATALAB-2795:
--------------------------------------

             Summary: Jupyter UI link leads to 502 error
                 Key: DATALAB-2795
                 URL: https://issues.apache.org/jira/browse/DATALAB-2795
             Project: Apache DataLab
          Issue Type: Bug
      Security Level: Public (Regular Issues)
          Components: DataLab Main
            Reporter: Vira Vitanska
             Fix For: v.2.6
         Attachments: image-2022-05-05-10-25-30-606.png

Fix in develop, epm-v2.5.2-tpcp branches

 

*Preconditions:*
 # Jupyter is created

*Steps to reproduce:*
 # Go to Jupyter UI link

*Actual result:*
 # Jupyter UI link is not opened successfully
 # 502 error shows up

{code:java}
datalab-user@localhost:~$ sudo systemctl status jupyter-notebook.service
● jupyter-notebook.service - Jupyter notebook
     Loaded: loaded (/etc/systemd/system/jupyter-notebook.service; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Thu 2022-05-05 07:46:52 UTC; 37min ago
   Main PID: 758 (code=exited, status=1/FAILURE)May 05 07:46:52 localhost.localdomain bash[758]:     from nbformat import sign, validate as validate_nb, ValidationError
May 05 07:46:52 localhost.localdomain bash[758]:   File "/usr/local/lib/python3.8/dist-packages/nbformat/sign.py", line 26, in <module>
May 05 07:46:52 localhost.localdomain bash[758]:     from traitlets import (
May 05 07:46:52 localhost.localdomain bash[758]: ImportError: cannot import name 'Callable' from 'traitlets' (/usr/local/lib/python3.8/dist-packages/traitlets/__init__.py)
May 05 07:46:52 localhost.localdomain systemd[1]: jupyter-notebook.service: Main process exited, code=exited, status=1/FAILURE
May 05 07:46:52 localhost.localdomain systemd[1]: jupyter-notebook.service: Failed with result 'exit-code'.
May 05 07:56:58 localhost.localdomain systemd[1]: /etc/systemd/system/jupyter-notebook.service:28: PIDFile= references a path below legacy directory /var/run/, updating /var/run/jupyter-no>
May 05 07:56:58 localhost.localdomain systemd[1]: /etc/systemd/system/jupyter-notebook.service:28: PIDFile= references a path below legacy directory /var/run/, updating /var/run/jupyter-no>
May 05 07:56:59 localhost.localdomain systemd[1]: /etc/systemd/system/jupyter-notebook.service:28: PIDFile= references a path below legacy directory /var/run/, updating /var/run/jupyter-no>
May 05 07:56:59 localhost.localdomain systemd[1]: /etc/systemd/system/jupyter-notebook.service:28: PIDFile= references a path below legacy directory /var/run/, updating /var/run/jupyter-no> {code}
*Expected result:*
 # Jupyter UI link is opened successfully



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