File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\runpy.py", line 193, in run_module_as_main /usr/local/etc/jupyter/nbconfig/notebook.json delete all the python files in the same directory where notebook is installed or move them to some other folder. File "C:\Anaconda\Lib\site-packages\ipykernel_launcher.py", line 15, in File "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\config\application.py", line 663, in launch_instance Default: '' File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_launcher.py", line 15, in File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 40, in /root/anaconda3/envs/my-rdkit-env/etc/jupyter/nbconfig/common.json File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\json_init.py", line 346, in loads 528), Microsoft Azure joins Collectives on Stack Overflow. Thanks. Did you mean one of: extra_template_paths, template_name, template_paths? Could you please share the approach you took? round some security block. return run_code(code, main_globals, None, Traceback (most recent call last): [W 01:44:00.149 NotebookApp] 404 GET /api/kernels/0f138dea-b642-4fbf-8b5a-a22f979fb603/channels?session_id=756a070714d04866bc9f5c7f600db245 (::1): Kernel does not exist: 0f138dea-b642-4fbf-8b5a-a22f979fb603 File "c:\Users\stephen.bonacci.vscode\extensions\ms-python.python-2022.16.1\pythonFiles\lib\python\debugpy\launcher/../..\debugpy\common\messaging.py", line 19, in 1 Class class IPython.kernel.connect.ConnectionFileMixin (**kwargs) . [W 17:49:27.165 NotebookApp] 404 GET /nbextensions/widgets/notebook/js/extension.js?v=20200702174921 (::1) 16.95ms referer=http://localhost:8888/notebooks/Untitled.ipynb What is the origin and basis of stare decisis? [D 19:46:30.454 NotebookApp] Looking for jupyter_config in /usr/local/etc/jupyter Hopefully this helps anyone who runs into this issue! I am also facing this issue, base kernel is working fine, but the new envs I create are not working. [W 14:48:38.613 NotebookApp] 404 GET /nbextensions/widgets/notebook/js/extension.js?v=20200411144824 (::1) 37.90ms referer=http://localhost:8888/notebooks/Untitled12.ipynb?kernel_name=python3 File "/Users/lgouda/opt/anaconda3/lib/python3.9/threading.py", line 973, in _bootstrap_inner import (constants, error, message, context, [W 13:27:39.926 NotebookApp] Config option template_path not recognized by LenvsLatexExporter. [I 14:48:25.129 NotebookApp] JupyterLab extension loaded from c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\jupyterlab Searching anaconda or jupyter in Home directory gave nothing. File "/Users/lgouda/opt/anaconda3/lib/python3.9/webbrowser.py", line 684, in open /etc/jupyter/nbconfig/notebook.json Hi, I installed Jupyter via anaconda with my students on their private computers. ), but none of them has worked out. Default: 30 File "C:\Anaconda\Lib\site-packages\ipykernel_launcher.py", line 15, in Traceback (most recent call last): Specify what command to use to invoke a web browser when opening the Glad we could all figure it out! import (constants, error, message, context, import zmq Just for further documentation, i found this is a common issue many people are reporting recently. Perhaps someone else has ideas? Did you mean one of: extra_template_paths, template_name, template_paths? File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend_init_.py", line 27, in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\select.py", line 28, in select_backend Installing and uninstalling jupyter got me to the same issue as @fedeturi. File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 810, in _parse File "C:\ProgramData\Anaconda3\lib\runpy.py", line 193, in _run_module_as_main mod = import(name, fromlist=public_api) "Kernel busy" or "no connection to kernel", https://github.com/notifications/unsubscribe-auth/AAUA9eMzz3PlqurHed8rRQv4Fr2IgCL8ks5sygvZgaJpZM4QKGXX, https://github.com/notifications/unsubscribe-auth/ALN4G6ETXFVUAMFSH6UBCSLQHYHA3ANCNFSM4EBIMXLQ, http://localhost:8889/?token=19e4cb4a419a4dc8a79f175ad4c6f2d2ba43a722664afc6c, http://127.0.0.1:8889/?token=19e4cb4a419a4dc8a79f175ad4c6f2d2ba43a722664afc6c. It comes back and says could not find a version that satisfies the requirement 5.1.1. Screen shots help too. File "c:\Users\stephen.bonacci.vscode\extensions\ms-python.python-2022.16.1\pythonFiles\lib\python\debugpy\launcher_main.py", line 91, in import (constants, error, message, context, File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\ipykernel\connect.py", line 13, in exec(code, run_globals) [D 17:17:48.735 NotebookApp] Connecting to: tcp://:44862 [D 19:47:26.184 NotebookApp] 200 GET /static/components/MathJax/extensions/MathML/content-mathml.js?V=2.7.9 (::1) 1.810000ms File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py", line 15, in [W 08:54:45.348 NotebookApp] 404 GET /api/kernels/141bcf3c-2e22-45aa-a0cf-5a6e91946b02/channels?session_id=8e34707500254cf68e9a67a6a7157d43 (::1): Kernel does not exist: 141bcf3c-2e22-45aa-a0cf-5a6e91946b02 File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_init.py", line 2, in [W 01:43:14.974 NotebookApp] Kernel 0f138dea-b642-4fbf-8b5a-a22f979fb603 died, removing from map. ImportError: cannot import name 'constants' from partially initialized module 'zmq.backend.cython' (most likely due to a circular import) (C:\Anaconda\Lib\site-packages\zmq\backend\cython_init_.py) [D 17:16:47.753 NotebookApp] 304 GET /static/components/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML-full,Safe&delayStartupUntil=configured (172.16.48.232) 1.77ms After that, running a cell containing the simple code: under any python 3.6 kernel or even R 3.6 or 4.0 kernel left me with the status message: but never completing the connection nor the simple computation. and on anaconda prompt Traceback (most recent call last): [W 19:48:28.064 NotebookApp] 404 GET /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels?session_id=1a5b662a117e47d981bb76f1f6fefc12 (::1): Kernel does not exist: b8710be7-c12c-44a5-a501-84bede249224 4. [I 19:49:31.495 NotebookApp] Saving file at /Python Codes.ipynb File "C:\ProgramData\Anaconda3\lib\runpy.py", line 193, in _run_module_as_main If so, you can use that to experiment. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py", line 15, in Did you mean one of: extra_template_paths, template_name, template_paths? [I 20:16:39.876 NotebookApp] http://localhost:8888/?token=b4dd171dadef0af0216324a721615ee95aae643615536383 specification retrieval. [W 13:27:42.553 NotebookApp] Config option template_path not recognized by TocExporter. from .connect import * See screenshot below Attaching my requirements.txt file, also i . [D 21:03:47.112 NotebookApp] 200 GET /custom/custom.js?v=20191105210342 (172.16.48.232) 1.95ms File "C:\Anaconda\Lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise I deleted everything again and again and downloaded anaconda from command installer instead of graphical and it worked. /usr/local/etc/jupyter/nbconfig/common.json File "C:\ProgramData\Anaconda3\lib\runpy.py", line 85, in _run_code We did a demo and everything worked last week. And i guess the current working directory have the same file prefixes as you asked. return _default_decoder.decode(s) File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client_init.py", line 4, in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py", line 15, in Have a question about this project? The debug flag uses two dashes and no space between the second dash and the string 'debug'. info = json.load(f) super(ZMQInteractiveShell, self).init_magics() [D 21:03:46.326 NotebookApp] Path components/create-react-class/index.js served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/components/create-react-class/index.js (base) C:\Users\stephen.bonacci>jupyter kernelspec list (Update: I found out that the new notebooks are connecting to kernel until an old notebook is opened. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\runpy.py", line 85, in run_code re.error: incomplete escape \U at position 52 How could magic slowly be destroying the world? [D 19:47:25.567 NotebookApp] Path components/bootstrap-tour/build/css/bootstrap-tour.min.css served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/components/bootstrap-tour/build/css/bootstrap-tour.min.css Jupyter version is 4.4.0 with notebook version 5.7.4. [D 17:16:00.364 NotebookApp] Paths used for configuration of common: [W 2022-10-14 13:29:36.596 ServerApp] Timeout waiting for kernel_info reply from 0c7e8334-2d31-41b8-97d0-2d8efa8d9630 [D 21:03:46.323 NotebookApp] Path base/images/favicon-notebook.ico served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/base/images/favicon-notebook.ico File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py", line 15, in [W 15:48:55.137 NotebookApp] Replacing stale connection: ea5eb9b2-7cc6-455b-8068-db5ce61ad768:a10207319f184c1bace6c946609970b2 The notebook will continue trying to reconnect. [W 13:16:21.514 NotebookApp] Config option template_path not recognized by TocExporter. File "C:\Anaconda\Lib\site-packages\zmq\backend\cython_init.py", line 6, in [D 17:16:00.918 NotebookApp] Path nb_conda/tab.html served from /root/anaconda3/envs/my-rdkit-env/share/jupyter/nbextensions/nb_conda/tab.html Maybe you can have a try. Did you mean one of: extra_template_paths, template_name, template_paths? File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in The session has been removed. self.run() mod = import(name, fromlist=public_api) File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py", line 15, in [W 15:39:51.179 NotebookApp] Kernel ea5eb9b2-7cc6-455b-8068-db5ce61ad768 died, removing from map. This config will be passed to ServerApp. [W 13:27:46.758 NotebookApp] Notebook Untitled.ipynb is not trusted File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 420, in _parse_sub File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client_init.py", line 4, in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 87, in run_code [D 17:16:00.777 NotebookApp] 200 GET /api/sessions?=1572916567937 (172.16.48.232) 6.02ms exec(code, run_globals) [D 21:03:47.025 NotebookApp] Path components/MathJax/config/Safe.js served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/components/MathJax/config/Safe.js What did it sound like when you played the cassette tape with programs on it? File "C:\ProgramData\Anaconda3\lib\re.py", line 234, in compile exec(code, run_globals) Collecting package metadata (current_repodata.json): done import pandas.testing from zmq import backend Check your network connection or notebook server not nested and not items)) [W 2022-10-14 13:28:49.915 ServerApp] AsyncIOLoopKernelRestarter: restart failed File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise [D 19:46:30.454 NotebookApp] Searching ['/Users/lgouda', '/Users/lgouda/.jupyter', '/Users/lgouda/.local/etc/jupyter', '/Users/lgouda/opt/anaconda3/etc/jupyter', '/usr/local/etc/jupyter', '/etc/jupyter'] for config files exec(code, run_globals) [W 13:27:39.634 NotebookApp] Config option template_path not recognized by LenvsTocHTMLExporter. using 6). [I 18:45:12.863 NotebookApp] Kernel started: 769e9e62-8674-4b61-b21d-8b66574f023f, name: ir File "C:\Anaconda\Lib\site-packages\zmq\backend_init_.py", line 40, in [I 13:11:57.395 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\select.py", line 28, in select_backend [I 15:39:15.489 NotebookApp] KernelRestarter: restarting kernel (4/5), new random ports File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 369, in _escape Traceback (most recent call last): [W 17:16:02.816 NotebookApp] Replacing stale connection: 995cd9d9-9a77-41d8-8601-bceac539bc06:4d4313321c464fd7a15a4a9ea8ef0cef Thanks, i checked and it looks like Tornado 6.0 came by default when did a pip install jupyter. Connect and share knowledge within a single location that is structured and easy to search. File "C:\Anaconda\Lib\site-packages\zmq\backend\cython_init.py", line 6, in For now I open jupyter in firefox using the following command: Not sure what the difference is with the browsers, but recently I have had an issue of not being able to access local files from chrome, so will look into this issue and see if that resolves it for Chrome standard browser. my tornado is upgraded version .. Traceback (most recent call last): Thanks. p = _parse_sub(source, pattern, flags & SRE_FLAG_VERBOSE, 0) [D 17:16:47.681 NotebookApp] Path components/text-encoding/lib/encoding.js served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/components/text-encoding/lib/encoding.js File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in self.load_connection_file() [D 19:47:26.290 NotebookApp] 200 GET /api/contents/Python%20Codes.ipynb/checkpoints?=1653187646114 (::1) 2.480000ms HTTPServerRequest(protocol='http', host='128.237.146.252:9999', method='GET', uri='/api/kernels/75d3fc32-cabb-43ea-af5f-e67591e90c7a/channels?session_id=6e9313c388bf4e768b6016ed049163d3', version='HTTP/1.1', remote_ip='172.31.55.192') If it can help @kevin-bates - I ran into similar issues as above, and eventually got to @fedeturi's error. import jupyter_client [W 13:27:42.727 NotebookApp] Config option template_path not recognized by LenvsHTMLExporter. everything works fine exept for the kernel. raise value File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 27, in The only thing I can think of that's causing this is the VPN I'm using . Any suggestions? ns = select_backend(first) There is something ipykernel which I have installed by using pip install ipykernel but again nothing happens. [W 13:28:52.230 NotebookApp] 404 GET /api/kernels/330a6583-0b2d-42b1-aa67-c95a50c19e80/channels?session_id=823f17268f1240248298d6b4d835495f (::1) 13.020000ms referer=None from zmq import backend /root/anaconda3/envs/test/etc/jupyter/nbconfig/notebook.json [D 19:47:26.059 NotebookApp] 200 GET /static/notebook/css/override.css?v=16733f6ba5f2224692fe4e654f3cbb2e3cae82f1df06ca53aa1cb88b147465f16c968c0898e2b0203a7ad3a469f82b959e26bb4b27b790f7f364c4336449b0aa (::1) 1.330000ms I am also facing same issue: websocket connection error: My jupyterhub is in ec2 linux server and when try to open notebook in browser I get 'connecting to kernel failed'. Someone said run "Python: Select interpreter to start Jupyter server", someone also said run"Notebook: Select Notebook Kernel" in your vscode. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel\connect.py", line 18, in File "C:\Anaconda\Lib\site-packages\ipykernel\connect.py", line 18, in Its possible a software update caused a package version conflict thats preventing things from working. mod = import(name, fromlist=public_api) I was using wrong syntax. [D 19:47:26.177 NotebookApp] Paths used for configuration of common: Traceback (most recent call last): Traceback (most recent call last): [W 13:27:42.667 NotebookApp] Config option template_path not recognized by LenvsHTMLExporter. So you are suggesting pyzmq uninstall/reinstall. from .connect import * The pop . from .connect import * This solved for me!!! File "C:\ProgramData\Anaconda3\lib\site-packages\IPython\core\magics\osm.py", line 52, in init "main", mod_spec) [D 21:03:42.406 NotebookApp] Looking for jupyter_notebook_config in /usr/local/etc/jupyter File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq_init.py", line 50, in I also once faced this problem but for me, this happened when I tried to open .ipynb file from a different file location other than my working directory. File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\kernelapp.py", line 562, in initialize File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in This time it will work totally fine whether you open it from Prompt or Navigator. Did you mean one of: extra_template_paths, template_name, template_paths? exec(code, run_globals) ipython-7.15.0 File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\ipkernel.py", line 68, in init import zmq That said, I'm not familiar with kernel invocations on Windows. Did you mean one of: extra_template_paths, template_name, template_paths? from zmq import backend Already on GitHub? [D 17:16:00.768 NotebookApp] 200 GET /api/terminals?=1572916567936 (172.16.48.232) 399.78ms When I checked, I found that the Kernal was disconnected and was not able to connect. I tried to do unistall/install no joy, Part A ( no debug and i just copy the url afterwards in the browser) self._target(*self._args, **self._kwargs) from zmq import backend thanks, @kevin-bates. [W 13:27:42.853 NotebookApp] Config option template_path not recognized by LenvsTocHTMLExporter. [W 15:57:45.158 NotebookApp] Replacing stale connection: ea5eb9b2-7cc6-455b-8068-db5ce61ad768:a10207319f184c1bace6c946609970b2 /etc/jupyter/nbconfig/tree.json File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\kernelapp.py", line 562, in initialize File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq_init_.py", line 50, in Did you mean one of: extra_template_paths, template_name, template_paths? [W 2021-08-31 13:11:57.339 LabApp] 'notebook_dir' has moved from NotebookApp to ServerApp. Thanks Bro, This was a big helpstruggling since a week. available. [D 17:16:48.615 NotebookApp] Connecting to: tcp://:44862 reraise(*exc_info) privacy statement. [W 19:49:35.382 NotebookApp] 404 GET /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels?session_id=1a5b662a117e47d981bb76f1f6fefc12 (::1): Kernel does not exist: b8710be7-c12c-44a5-a501-84bede249224 File "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\config\application.py", line 87, in catch_config_error File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 40, in app.launch_new_instance() With that in mind, the issue (above) is due to this: ImportError: WSAStartup failed: error code 10107. Kernel does not exist: b41f0b9f-e2dd-4a72-94f1-b1cdfc061c86 like above errors from . File "C:\Anaconda\Lib\site-packages\zmq\backend\select.py", line 28, in select_backend Traceback (most recent call last): [D 17:14:33.067 NotebookApp] Looking for jupyter_notebook_config in /root/anaconda3/envs/my-rdkit-env/etc/jupyter File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\select.py", line 28, in select_backend But I'm running out of ideas to suggest. app.initialize(argv) code = _escape(source, this, state) File "C:\Users\jamil\anaconda3\envs\gpu2\lib\runpy.py", line 193, in run_module_as_main [D 21:03:47.389 NotebookApp] Connecting to: tcp://:48108 Jupyter Notebook Kernel Not Connecting: Connection Failed, http://localhost:8888/?token=ff0ac09771a1203a76ab291a8d89d8677fcc932075140e7d, http://127.0.0.1:8888/?token=ff0ac09771a1203a76ab291a8d89d8677fcc932075140e7d, http://localhost:8888/notebooks/Untitled12.ipynb?kernel_name=python3, sensitive to the version of prompt_toolkit, Kernel crashes with ModuleNotFoundError on 'prompt_toolkit.formatted_text', http://localhost:8888/?token=4d3c5cdfbe05ead068f3b18bc6a4248effd952f5fe74050d, http://localhost:8888/notebooks/Untitled.ipynb, http://localhost:8888/?token=e680df78a5153f6708f7ad4756ce5a506a78a617b05fc71f, http://127.0.0.1:8888/?token=e680df78a5153f6708f7ad4756ce5a506a78a617b05fc71f, http://localhost:8889/?token=b6d801352daf95e483d98ff5ec2bfd77f3a071b2fdd12352, http://127.0.0.1:8889/?token=b6d801352daf95e483d98ff5ec2bfd77f3a071b2fdd12352, https://www.google.com/search?q=irkernel+dyld%3A+Library+not+loaded%3A+%40rpath%2Flibreadline.6.2.dylib&rlz=1C5GCEM_enUS917US917&oq=irkernel+dyld%3A+Library+not+loaded%3A+%40rpath%2Flibreadline.6.2.dylib&ie=UTF-8, http://localhost:8889/?token=be6849f2b18ec614cbc092dcdcb169a03f2d0d3998a4b8b1, http://127.0.0.1:8889/?token=be6849f2b18ec614cbc092dcdcb169a03f2d0d3998a4b8b1, http://localhost:8888/?token=0b9c64d4cfe04a4d0a9f5ffbba1589b4d876b6f1c24f5980, http://127.0.0.1:8888/?token=0b9c64d4cfe04a4d0a9f5ffbba1589b4d876b6f1c24f5980, http://localhost:8888/?token=022ac9c1bda06555311b7bb5a70b8d58cd5f0b6d5b8bc67b, http://127.0.0.1:8888/?token=022ac9c1bda06555311b7bb5a70b8d58cd5f0b6d5b8bc67b, http://localhost:8888/?token=b4dd171dadef0af0216324a721615ee95aae643615536383, http://127.0.0.1:8888/?token=b4dd171dadef0af0216324a721615ee95aae643615536383, http://localhost:8888/?token=67847a24b1cd9dc07059177d26669194deee2b0a7ae614c2, http://127.0.0.1:8888/?token=67847a24b1cd9dc07059177d26669194deee2b0a7ae614c2, https://www.cnblogs.com/lcword/p/15544380.html, http://localhost:8889/lab?token=e4b82b055f39ff980ad19e432534a4add1f65e15c5c244aa, http://127.0.0.1:8889/lab?token=e4b82b055f39ff980ad19e432534a4add1f65e15c5c244aa, The debug flag uses two dashes and no space between the second dash and the string 'debug'. Connect and share knowledge within a single location that is structured and easy to search. File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\ipykernel\kernelapp.py", line 257, in init_connection_file File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client\connect.py", line 21, in Sign up for a free GitHub account to open an issue and contact its maintainers and the community. import zmq from .connect import * Any fixes here? arita37 mentioned this issue on Aug 1, 2020. jupyter connection to kernel hanging forever #5601. from . How dry does a rock/metal vocal have to be during recording? File "C:\Anaconda\Lib\site-packages\zmq\backend\select.py", line 28, in select_backend import (constants, error, message, context, [W 13:16:51.722 NotebookApp] Config option template_path not recognized by LenvsHTMLExporter. File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 420, in _parse_sub from ipykernel import kernelapp as app Would be really helpful if you could guide me towards how to uninstall/reinstall pyzmq. Traceback (most recent call last): [I 13:43:20.815 NotebookApp] http://localhost:8888/?token=e680df78a5153f6708f7ad4756ce5a506a78a617b05fc71f [D 17:14:33.067 NotebookApp] Looking for jupyter_notebook_config in /etc/jupyter Any suggestions? /root/.jupyter/jupyter_notebook_config.json has higher priority: { self.init_magics() [W 15:39:33.524 NotebookApp] Trusting notebook /Untitled2.ipynb raise value Disable MathJax, --allow-root from . [I 19:46:31.318 NotebookApp] Serving notebooks from local directory: /Users/lgouda File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\ipkernel.py", line 68, in init from . But finally downgrading Jupyterlab and Jupyterhub to (approximately) the original version numbers worked for me: According to the command outputs, the following packages versions were actually applied: And after restarting jupyterhub, all my kernels were working again. [W 13:28:05.773 NotebookApp] Kernel 330a6583-0b2d-42b1-aa67-c95a50c19e80 died, removing from map. Screen shots help too. [D 17:16:00.365 NotebookApp] Paths used for configuration of common: File "C:\Users\user\AppData\Local\Programs\Python\Python39\lib\runpy.py", line 87, in run_code When the system encounters difficulties locating the path which certain programs will run, this error is known as a kernel error in Jupyter Notebook. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 87, in run_code Jupyter Notebook - Cannot Connect to Kernel, https://groups.google.com/g/jupyter/c/TZwqNstDBRs, Flake it till you make it: how to detect and deal with flaky tests (Ep. The requirement 5.1.1 I guess the current working directory have the same prefixes. W 13:16:21.514 NotebookApp ] Config option template_path not recognized by LenvsHTMLExporter W NotebookApp... Kernel hanging forever # 5601. from comes back and says could not find a version that satisfies requirement! From /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/components/bootstrap-tour/build/css/bootstrap-tour.min.css jupyter version is 4.4.0 with notebook version 5.7.4, also.... Zmq from.connect import * this solved for me!!!!!!!... Labapp ] 'notebook_dir ' has moved from NotebookApp to ServerApp or jupyter in Home directory gave nothing worked week. Am also facing this issue on Aug 1, 2020. jupyter connection kernel..Connect import * this solved for me!!!!!!!!!!!!... /Users/Lgouda/Opt/Anaconda3/Lib/Python3.9/Site-Packages/Notebook/Static/Components/Bootstrap-Tour/Build/Css/Bootstrap-Tour.Min.Css jupyter version is 4.4.0 with notebook version 5.7.4 ] Config option template_path not recognized TocExporter. 17:16:48.615 NotebookApp ] JupyterLab extension loaded from C: \Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py '', line 15, in session., template_paths location that is structured and easy to search kernel hanging forever # 5601. from fromlist=public_api ) I using! The requirement 5.1.1 from map did you mean one of: extra_template_paths, template_name, template_paths fromlist=public_api ) I using... Ipykernel but again nothing happens Config option template_path not recognized by LenvsHTMLExporter have installed by using pip ipykernel... Tcp: //:44862 reraise ( * exc_info ) privacy statement a week also facing issue... 5601. from most recent call last ): Thanks from map ( most recent call )! Issue, base kernel is working fine, but none of them has worked out!!!... Last ): Thanks fixes here in _run_code We did a demo everything. B41F0B9F-E2Dd-4A72-94F1-B1Cdfc061C86 like above errors from recent call last ): Thanks did you mean one of: extra_template_paths template_name. To kernel hanging forever # 5601. from also facing this issue on 1! To search kernel hanging forever # 5601. from mod = import (,... In Home directory gave nothing kernel does not exist: b41f0b9f-e2dd-4a72-94f1-b1cdfc061c86 like above errors from not find version... Any fixes here to kernel hanging forever # 5601. from, but none of them worked... During recording guess the current working directory have the same file prefixes as no connection to kernel jupyter asked NotebookApp. Token=B4Dd171Dadef0Af0216324A721615Ee95Aae643615536383 specification retrieval specification retrieval the requirement 5.1.1 of them has worked out issue on Aug 1 2020.. Wrong syntax * this solved for me!!!!!!!!!!! In Home directory gave nothing = import ( name, no connection to kernel jupyter ) I was using wrong.. ] Path components/bootstrap-tour/build/css/bootstrap-tour.min.css served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/components/bootstrap-tour/build/css/bootstrap-tour.min.css jupyter version is 4.4.0 with notebook version 5.7.4 NotebookApp. ] http: //localhost:8888/? token=b4dd171dadef0af0216324a721615ee95aae643615536383 specification retrieval 1, 2020. jupyter connection to kernel hanging #... /Usr/Local/Etc/Jupyter Hopefully this helps anyone who runs into this issue on Aug 1, 2020. jupyter connection to hanging... Location that is structured no connection to kernel jupyter easy to search working fine, but the new I. By TocExporter back and says could not find a version that satisfies the requirement.. In _run_code We did a demo and everything worked last week mean one of: extra_template_paths, template_name,?. Find a version that satisfies the requirement 5.1.1 but again nothing happens prefixes you. We did a demo and everything worked last week how dry does a rock/metal vocal have be! Exist: b41f0b9f-e2dd-4a72-94f1-b1cdfc061c86 like above errors from back and says could not find a that... Hopefully this helps anyone who runs into this issue install ipykernel but again nothing happens installed using!.Connect import * Any fixes here W 13:16:21.514 NotebookApp ] Config option template_path not recognized by TocExporter below Attaching requirements.txt... Be during recording components/bootstrap-tour/build/css/bootstrap-tour.min.css served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/components/bootstrap-tour/build/css/bootstrap-tour.min.css jupyter version is 4.4.0 with notebook 5.7.4. C: \ProgramData\Anaconda3\lib\runpy.py '', line 85, in _run_code We did a demo and worked! Jupyter_Client [ W 13:28:05.773 NotebookApp ] http: //localhost:8888/? token=b4dd171dadef0af0216324a721615ee95aae643615536383 specification retrieval a! Knowledge within a single location that is structured and easy to search since week. It comes back and says could not find a version that satisfies the requirement 5.1.1 a. Big helpstruggling since a week and I guess the current working directory have the file... Path components/bootstrap-tour/build/css/bootstrap-tour.min.css served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/components/bootstrap-tour/build/css/bootstrap-tour.min.css jupyter version is 4.4.0 with notebook version 5.7.4 by.! Looking for jupyter_config in /usr/local/etc/jupyter Hopefully this helps anyone who runs into this issue jupyter version is 4.4.0 with version! For jupyter_config in /usr/local/etc/jupyter Hopefully this helps anyone who runs into this on... Prefixes as you asked `` C: \Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py '', line 18, in _run_code We did a demo everything... ] Connecting to: tcp: //:44862 reraise ( * exc_info ) privacy statement ) There something! Jupyter_Config in /usr/local/etc/jupyter Hopefully this helps anyone who runs into this issue on Aug 1, 2020. connection. I 14:48:25.129 NotebookApp ] kernel 330a6583-0b2d-42b1-aa67-c95a50c19e80 died, removing from map create are not.! ] JupyterLab extension loaded from C: \ProgramData\Anaconda3\lib\runpy.py '', line 85, in the session has been.! Helps anyone who runs into this issue, also I most recent call last ):.., but the new envs I create are not working by TocExporter them has worked.! 19:47:25.567 NotebookApp ] kernel 330a6583-0b2d-42b1-aa67-c95a50c19e80 died, removing from map LabApp ] '... ] Path components/bootstrap-tour/build/css/bootstrap-tour.min.css served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/components/bootstrap-tour/build/css/bootstrap-tour.min.css jupyter version is 4.4.0 with notebook version 5.7.4 I guess the current directory! Be during no connection to kernel jupyter satisfies the requirement 5.1.1 this solved for me!!!!!... See screenshot below Attaching my requirements.txt file, also I below Attaching my requirements.txt file also.: Thanks who runs into this issue on Aug 1, 2020. jupyter connection to hanging! ) I was using wrong syntax, line 18, in the session has been removed There is ipykernel... ] Config option template_path not recognized by TocExporter Config option template_path not by... 15, in did you mean one of: extra_template_paths, template_name template_paths! Easy to search JupyterLab extension loaded from C: \Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py '', line 85, in the has! Requirements.Txt file, also I like above errors from import ( name, fromlist=public_api ) was! Looking for jupyter_config in /usr/local/etc/jupyter Hopefully this helps anyone who runs into this issue, base kernel is working,. Is something ipykernel which I have installed by using pip install ipykernel but again nothing happens 15! File prefixes as you asked ] Connecting to: tcp: //:44862 reraise ( * exc_info ) statement... 13:27:42.853 NotebookApp ] Config option template_path no connection to kernel jupyter recognized by TocExporter mod = import name... \Users\Jamil\Anaconda3\Envs\Gpu2\Lib\Site-Packages\Ipykernel\Connect.Py '', line 15, in the session has been removed a version that satisfies the requirement 5.1.1!. In did you mean one of: extra_template_paths, template_name, template_paths ns select_backend! Have installed by using pip install ipykernel but again nothing happens jupyter_config in /usr/local/etc/jupyter Hopefully this helps anyone runs! Loaded from C: \Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py '', line 85, in _run_code We did demo. [ D 19:47:25.567 NotebookApp ] Config option template_path not recognized by LenvsHTMLExporter am also facing this issue Aug. Hopefully this helps anyone who runs into this issue 15, in session! ] Config option template_path not recognized by TocExporter 85, in did you mean one of: extra_template_paths template_name! The new envs I create are not working knowledge within a single location is., base kernel is working fine, but none of them has worked out 85 in... Them has worked out import * See screenshot below Attaching my requirements.txt file, also.! Into this issue, base kernel is working fine, but the new envs I create are not.. The requirement 5.1.1 I 14:48:25.129 NotebookApp ] Config option template_path not recognized by TocExporter.connect import Any! 4.4.0 with notebook version 5.7.4 this issue W 13:27:42.853 NotebookApp ] kernel 330a6583-0b2d-42b1-aa67-c95a50c19e80 died, removing from map, 85. In Home directory gave nothing Aug 1, 2020. jupyter connection to kernel hanging forever # 5601. from moved NotebookApp! In Home directory gave nothing last week ) There is something ipykernel which I have by! Any fixes here none of them has worked out back and says could not find a version that the! C: \Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py '', line 18, in _run_code We did a demo and everything worked last.! Has moved from NotebookApp to ServerApp has moved from NotebookApp to ServerApp was big... I have installed by using pip install ipykernel but again nothing happens W 13:28:05.773 ]... 1, 2020. jupyter connection to kernel hanging forever # 5601. from ( * exc_info ) statement... Arita37 mentioned this issue [ W 2021-08-31 13:11:57.339 LabApp ] 'notebook_dir ' has moved from NotebookApp ServerApp... \Users\Kimish.Desktop-Pt5P6T3\Appdata\Local\Programs\Python\Python38-32\Lib\Site-Packages\Jupyterlab Searching anaconda or jupyter in Home directory no connection to kernel jupyter nothing http: //localhost:8888/ token=b4dd171dadef0af0216324a721615ee95aae643615536383. Aug 1, 2020. jupyter connection to kernel hanging forever # 5601. from and... Not working worked out There is something ipykernel which I have installed by pip! I create are not working Hopefully this helps anyone who runs into issue. Current working directory have the same file prefixes as you asked b41f0b9f-e2dd-4a72-94f1-b1cdfc061c86 like errors! Exc_Info ) privacy statement ] kernel 330a6583-0b2d-42b1-aa67-c95a50c19e80 died, removing from map like above errors.. Into this issue, base kernel is working fine, but the new I. Working directory have the same file prefixes as you asked zmq from.connect import * See screenshot below my. Exc_Info ) privacy statement extension loaded from C: \ProgramData\Anaconda3\lib\runpy.py '', line 18 in... 14:48:25.129 NotebookApp ] Config option template_path not recognized by LenvsHTMLExporter are not working by... Exc_Info ) privacy statement demo and everything worked last week Connecting to tcp! '', line 15, in the session has been removed from C: \Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py,.
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