how to close running jupyter notebook servers?

[yunyundong]

when i type command jupyter notebook list, the outputs are as follows:
http://localhost:8888/?token=a21aae4b484b7087c91f5d161c1fd595a76f05b0fc2204c8 :: C:\06Codes_From_Jupyter
http://localhost:8888/?token=3e6a9a390cc121315ccb7565c287ef6ed6bddd6ec66c9ed2 :: C:\06Codes_From_Jupyter
http://localhost:8888/?token=d53af56195ba09b1156ea7a42e86ff574c8a8ee44731db5b :: C:\06Codes_From_Jupyter
http://localhost:8889/?token=1f1250e4cdf841e6162591fce9c16769266b21f3e152a42c :: C:\06Codes_From_Jupyter

In fact, when i paste http://localhost:8888/?token=a21aae4b484b7087c91f5d161c1fd595a76f05b0fc2204c8 into the chrome broswer, i fail to open the address.
but I don't know how to close the runing servers?
Beside,when i start the jupyter notebook app, the new created servering, whose port are still 8888.Then I start the other jupyter notebook app, its port are 8889.
so, I don't know what there happen?

[takluyver]

Each server should start on a new port. jupyter notebook list is reading a set of data files - each notebook server you run writes a file when it starts up, and attempts to remove it when it shuts down. If you see different listed servers on the same port, that means some of them exited without being able to remove the file they made.

If you launch the notebook from a command prompt, you can shut it down by pressing Ctrl-C in that same command prompt. If not, you can run jupyter notebook stop 8888.

[kannankumar]

I get an Access Denied error when running jupyter notebook stop 8888 on Win10.

    os.kill(server['pid'], signal.SIGTERM)
PermissionError: [WinError 5] Access is denied

Tried running jupyter notebook stop 8888 in Administrator mode, still got the error.
Any suggestions on how I can stop the running notebook servers on Win10? (Other than a system restart)

[takluyver]

If you still have the command prompt where you started them, try Ctrl-C or Ctrl-Break. If not, it's possible by making an HTTP post request to /api/shutdown. We know that's not ideal, we do plan to have a better way.

[takluyver]

Pull request #3000 should fix jupyter notebook stop on Windows.

[gnestor]

I just submitted a PR that introduces a new server option that will add a "shutdown" button next to the "logout" button: #3004

[Sledge-]

In windows you can also just kill from task manager.

[JamesCarter1]

Hello,
I'm kind of facing to the same issue.
I have all those servers opened (Maybe it's not the right work, I'm beginner) :

http://localhost:8890/?token=4322ab537d86c86a206e6a63c05137fc9c388dd2d425890e :: C:\Users\test
http://localhost:8888/?token=7d7bd406465f34b5d491432bd7e231f980463ba5fb3bb1d6 :: C:\Users\test
http://localhost:8890/?token=dd8df31466fee972a9dec340c9792cf73eaddab14d280b31 :: C:\Users\test
http://localhost:8889/?token=7afae4454280bed0ccdd786c635d59f1002050475b5ea76a :: C:\Users\test

Everytime I try to shut them down with thi following command :
jupyter notebook stop 8888
I get this error.

Shutting down server on port 8888 ...
Traceback (most recent call last):
  File "C:\Users\test\Anaconda3\Scripts\jupyter-notebook-script.py", line 10, in <module>
    sys.exit(main())
  File "C:\Users\test\Anaconda3\lib\site-packages\jupyter_core\application.py", line 266, in launch_instance
    return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
  File "C:\Users\test\Anaconda3\lib\site-packages\traitlets\config\application.py", line 658, in launch_instance
    app.start()
  File "C:\Users\test\Anaconda3\lib\site-packages\notebook\notebookapp.py", line 1571, in start
    super(NotebookApp, self).start()
  File "C:\Users\test\Anaconda3\lib\site-packages\jupyter_core\application.py", line 255, in start
    self.subapp.start()
  File "C:\Users\test\Anaconda3\lib\site-packages\notebook\notebookapp.py", line 451, in start
    if not self.shutdown_server(server):
  File "C:\Users\test\Anaconda3\lib\site-packages\notebook\notebookapp.py", line 442, in shutdown_server
    return shutdown_server(server, log=self.log)
  File "C:\Users\test\Anaconda3\lib\site-packages\notebook\notebookapp.py", line 402, in shutdown_server
    HTTPClient().fetch(req)
  File "C:\Users\test\Anaconda3\lib\site-packages\tornado\httpclient.py", line 102, in fetch
    self._async_client.fetch, request, **kwargs))
  File "C:\Users\test\Anaconda3\lib\site-packages\tornado\ioloop.py", line 458, in run_sync
    return future_cell[0].result()
  File "C:\Users\test\Anaconda3\lib\site-packages\tornado\concurrent.py", line 238, in result
    raise_exc_info(self._exc_info)
  File "<string>", line 4, in raise_exc_info
ConnectionRefusedError: [Errno 10061] Unknown error

I dont know what to do, I tried to find the task on the task manager but i couldnt.
Thank you by advance

[takluyver]

That might happen if those servers have crashed, so they're not running but the info file that records them hasn't been cleaned up.

Try restarting the computer and running jupyter notebook list again. If there are still servers there, you can remove the files from the runtime directory (run jupyter --paths to see where that is on your system).

[JamesCarter1]

Hello !
It perfectly worked !!! That's exactly what I needed , the path of the runtime files. I couldnt find it...

So i cleared the runtime directory and now I can shutdown the servers with any issue.
Thank you so much

[markbessen]

Hello,
When I run jupyter notebook list, I get this:

http://localhost:8889/?token=blah :: /Users/me/storyfit/data-mining/research
http://localhost:8891/?token=blah2 :: /Users/me/storyfit/data-mining
http://localhost:8890/?token=blah23 :: /Users/me/storyfit/data-mining/research
http://localhost:8888/?token=blah54 :: /Users/me/storyfit/data-mining/research

(I've anonymized the tokens.)

I thought I should be able to kill these notebook servers using jupyter notebook stop 8888, but when I try that, I get the following:

Shutting down server on port 8888 ...
Traceback (most recent call last):
  File "/Users/Mark/anaconda3/bin/jupyter-notebook", line 11, in <module>
    sys.exit(main())
  File "/Users/Mark/anaconda3/lib/python3.5/site-packages/jupyter_core/application.py", line 266, in launch_instance
    return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
  File "/Users/Mark/anaconda3/lib/python3.5/site-packages/traitlets/config/application.py", line 596, in launch_instance
    app.start()
  File "/Users/Mark/anaconda3/lib/python3.5/site-packages/notebook/notebookapp.py", line 1571, in start
    super(NotebookApp, self).start()
  File "/Users/Mark/anaconda3/lib/python3.5/site-packages/jupyter_core/application.py", line 255, in start
    self.subapp.start()
  File "/Users/Mark/anaconda3/lib/python3.5/site-packages/notebook/notebookapp.py", line 451, in start
    if not self.shutdown_server(server):
  File "/Users/Mark/anaconda3/lib/python3.5/site-packages/notebook/notebookapp.py", line 442, in shutdown_server
    return shutdown_server(server, log=self.log)
  File "/Users/Mark/anaconda3/lib/python3.5/site-packages/notebook/notebookapp.py", line 402, in shutdown_server
    HTTPClient().fetch(req)
  File "/Users/Mark/anaconda3/lib/python3.5/site-packages/tornado/httpclient.py", line 102, in fetch
    self._async_client.fetch, request, **kwargs))
  File "/Users/Mark/anaconda3/lib/python3.5/site-packages/tornado/ioloop.py", line 453, in run_sync
    return future_cell[0].result()
  File "/Users/Mark/anaconda3/lib/python3.5/site-packages/tornado/concurrent.py", line 232, in result
    raise_exc_info(self._exc_info)
  File "<string>", line 3, in raise_exc_info
tornado.httpclient.HTTPError: HTTP 404: Not Found

This seems to be very related to the questions above, but I'm struggling to figure out why I'm not able to stop the notebook servers. Any help much appreciated!!! Thanks

[markbessen]

For what it's worth, when I try to go to those pages in Chrome, I can't access the notebooks in browser:

[takluyver]

The entries in the list can be left there erroneously if the server has exited without being able to clear up its files. Though in that case you should get a connection error instead of a 404.

If you think that's what's happened, and the servers are no longer running, you can clean up the files in the runtime directory (use jupyter --paths to see where that is).

[jmagosta]

$ jupyter notebook stop 8888

Gives this error:

[C 02:02:07.518 NotebookApp] No such file or directory: /home/tox/stop

This is ubuntu 16.04

tox@lrndsvm:$ jupyter notebook --version
5.0.0
tox@lrndsvm:$ jupyter --version
4.3.0
tox@lrndsvm:~$

[takluyver]

Try updating the notebook package to a newer version. I think stop was added since 5.0.