Try reinstalling it to version 5.1.1. File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 810, in _parse from . File "/Users/lgouda/opt/anaconda3/lib/python3.9/webbrowser.py", line 684, in open reraise(*exc_info) [E 14:13:59.084 NotebookApp] Error opening stream: HTTP 404: Not Found (Kernel does not exist: b41f0b9f-e2dd-4a72-94f1-b1cdfc061c86) By clicking Sign up for GitHub, you agree to our terms of service and File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\select.py", line 28, in select_backend File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_init.py", line 2, in Did you mean one of: extra_template_paths, template_name, template_paths? [D 17:16:48.615 NotebookApp] Connecting to: tcp://:44862 [D 17:14:33.068 NotebookApp] Loaded config file: /root/anaconda3/envs/my-rdkit-env/etc/jupyter/jupyter_notebook_config.json File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\select.py", line 28, in select_backend [W 01:43:14.974 NotebookApp] KernelRestarter: restart failed Set a password for the notebook server. File "C:\ProgramData\Anaconda3\lib\runpy.py", line 85, in _run_code Please. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 27, in Set the log level by value or name. [I 18:45:07.693 NotebookApp] or http://127.0.0.1:8889/?token=be6849f2b18ec614cbc092dcdcb169a03f2d0d3998a4b8b1 [W 13:43:50.898 NotebookApp] KernelRestarter: restart failed rev2023.1.17.43168. File "C:\Anaconda\Lib\site-packages\zmq\backend\select.py", line 28, in select_backend [D 21:04:47.703 NotebookApp] Connecting to: tcp://:39586 [W 21:03:42.408 NotebookApp] Collisions detected in /root/.jupyter/jupyter_notebook_config.py and /root/.jupyter/jupyter_notebook_config.json config files. [D 17:16:00.357 NotebookApp] Paths used for configuration of tree: from .connect import * File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\select.py", line 28, in select_backend [D 17:15:59.610 NotebookApp] Path tree/js/main.min.js served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/tree/js/main.min.js To learn more, see our tips on writing great answers. [D 19:47:19.226 NotebookApp] Path components/jquery-typeahead/dist/jquery.typeahead.min.css served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/components/jquery-typeahead/dist/jquery.typeahead.min.css To correct this matter, can you please provide explicit, step by step instructions on how to review. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 87, in run_code [I 21:03:42.682 NotebookApp] Serving notebooks from local directory: /root i used pip install tornado==5.1.1 and wala! Traceback (most recent call last): File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise [D 17:15:59.610 NotebookApp] Path base/images/logo.png served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/base/images/logo.png File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise [D 19:46:30.463 NotebookApp] Paths used for configuration of jupyter_notebook_config: [D 19:47:26.292 NotebookApp] 201 POST /api/sessions (::1) 43.540000ms The only thing I can think of that's causing this is the VPN I'm using . [IPKernelApp] ERROR | Failed to load connection file: 'C:\Users\jsdha\AppData\Roaming\jupyter\runtime\kernel-83d946a1-b7d0-468e-a149-394af4731e84.json' [W 13:16:24.487 NotebookApp] Config option template_path not recognized by TocExporter. [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 from zmq import backend Sign in reraise(*exc_info) Collecting package metadata (current_repodata.json): done from . File "C:\Users\user\AppData\Local\Programs\Python\Python39\lib\runpy.py", line 197, in run_module_as_main Did you mean one of: extra_template_paths, template_name, template_paths? from ipykernel import kernelapp as app Did you mean one of: extra_template_paths, template_name, template_paths? reraise(*exc_info) [D 19:46:30.455 NotebookApp] Looking for jupyter_notebook_config in /Users/lgouda "main", mod_spec) File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend_init_.py", line 27, in from zmq import backend p = sre_compile.compile(pattern, flags) File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 87, in run_code exec(code, run_globals) [W 17:15:30.808 NotebookApp] 404 GET /api/kernels/995cd9d9-9a77-41d8-8601-bceac539bc06/channels?session_id=4d4313321c464fd7a15a4a9ea8ef0cef (::1) 10.09ms referer=None [I 2022-05-21 20:16:39.872 LabApp] JupyterLab extension loaded from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/jupyterlab WARNING: The conda.compat module is deprecated and will be removed in a future release. Incognito Chrome or Firefox does not have the same issue of ipykernel not connecting. [W 15:39:33.524 NotebookApp] Notebook Untitled2.ipynb is not trusted [D 19:47:19.230 NotebookApp] Path base/images/logo.png served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/base/images/logo.png It may show some clues as to what might be happening. File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\ipykernel\kernelapp.py", line 257, in init_connection_file return _compile(pattern, flags) [D 19:47:19.248 NotebookApp] 200 GET /static/components/es6-promise/promise.min.js?v=bea335d74136a63ae1b5130f5ac9a50c6256a5f435e6e09fef599491a84d834a8b0f011ca3eaaca3b4ab6a2da2d3e1191567a2f171e60da1d10e5b9d52f84184 (::1) 1.580000ms Press CTRL + C and create a new virtual environment using this code. [I 13:43:41.835 NotebookApp] KernelRestarter: restarting kernel (2/5), new random ports An Azure machine learning service for building and deploying models. } Traceback (most recent call last): "main", mod_spec) [W 13:16:52.154 NotebookApp] Config option template_path not recognized by LenvsTocHTMLExporter. import zmq Is this variant of Exact Path Length Problem easy or NP Complete. Sign in return loads(fp.read(), [D 17:16:48.729 NotebookApp] Requesting kernel info from f4d9a8b3-ef52-4c5b-b675-82ec5c8d3669 File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py", line 15, in p = _parse_sub(source, pattern, flags & SRE_FLAG_VERBOSE, 0) Launch Cygwin and execute the SSH command (that I got from the initial. Traceback (most recent call last): specification retrieval. [D 21:03:42.404 NotebookApp] Searching ['/root', '/root/.jupyter', '/root/anaconda3/envs/test/etc/jupyter', '/usr/local/etc/jupyter', '/etc/jupyter'] for config files File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in [D 17:16:48.147 NotebookApp] Paths used for configuration of common: import zmq Why is water leaking from this hole under the sink? exec(code, run_globals) from zmq import backend The Jupyter Notebook most of us work with runs on Anaconda. I very appreciate for your help. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client\connect.py", line 21, in File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq_init_.py", line 50, in File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in [I 19:46:31.318 NotebookApp] or http://127.0.0.1:8888/?token=67847a24b1cd9dc07059177d26669194deee2b0a7ae614c2 from .connect import * p = sre_compile.compile(pattern, flags) [D 19:46:30.455 NotebookApp] Looking for jupyter_config in /Users/lgouda/.local/etc/jupyter Is this a bug on tornado 6.0? File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\pandas_init_.py", line 180, in This caused errors similar to the others in the thread above. Neither re-installing Tornado to version 5.1.1., nor reinstalling ipywidgets, succeeded in solving the issue. Christian Science Monitor: a socially acceptable source among conservative Christians? Try deleting some files to make some room. [W 2021-08-31 13:11:57.339 LabApp] 'notebook_dir' has moved from NotebookApp to ServerApp. The debug flag uses two dashes and no space between the second dash and the string 'debug'. [I 17:15:16.494 NotebookApp] Serving notebooks from local directory: /Users/sidodalpozzolo from . /etc/jupyter/nbconfig/tree.json m = m(shell=self.shell) [I 05:37:38.855 NotebookApp] KernelRestarter: restarting kernel (4/5), new random ports [D 17:16:00.899 NotebookApp] 200 GET /nbextensions/nb_conda/common.js?v=20191105171433 (172.16.48.232) 1.72ms [I 17:15:59.512 NotebookApp] 302 GET / (172.16.48.232) 1.19ms [W 13:16:55.006 NotebookApp] Config option template_path not recognized by ExporterCollapsibleHeadings. (base) C:\Users\PC02>jupyter-notebook Default: 'localhost' I have the same issue in a different way and I am kinda new so still learning. [I 2022-10-14 13:28:43.851 ServerApp] AsyncIOLoopKernelRestarter: restarting kernel (3/5), new random ports Tried every solution, still no connection. Hi @mikekwabs - please see this comment relative to the other issue you commented. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in It just helped me. ImportError: DLL load failed while importing win32api: The specified module could not be found. Did you mean one of: extra_template_paths, template_name, template_paths? [D 19:47:26.073 NotebookApp] 200 GET /static/components/MathJax/config/TeX-AMS-MML_HTMLorMML-full.js?V=2.7.9 (::1) 1.790000ms [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 File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq_init_.py", line 50, in import jupyter_client :) Now connected to the kernel. File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 420, in _parse_sub [I 13:11:57.392 NotebookApp] Serving notebooks from local directory: C:\Users\Lenovo [D 21:03:47.030 NotebookApp] Paths used for configuration of notebook: /Users/lgouda/.local/etc/jupyter/nbconfig/tree.json File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\cython_init.py", line 6, in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\select.py", line 28, in select_backend Stuck On "connecting To Kernel" : R/vscode - Reddit. This is my Anaconda Promt when I am running Jupyter. [I 19:47:26.287 NotebookApp] Kernel started: b8710be7-c12c-44a5-a501-84bede249224, name: python3 import jupyter_client exec(code, run_globals) raise value what's the difference between "the killing machine" and "the machine that's killing". Traceback (most recent call last): File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\kernelapp.py", line 562, in initialize Again, you can explicitly and step by step to instructions how to resolve this matter. Thank you in anticipation of your kind assistance. The source of these exceptions was another python script in the same folder as the notebook. Referenced from: /Users/sidodalpozzolo/opt/anaconda3/lib/R/lib/libR.dylib File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client_init.py", line 4, in import zmq File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 501, in _parse File "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\config\application.py", line 663, in launch_instance Data science involves the use of technical programming tools. I simply just restarted the Anaconda program and opened a new Python 3 notebook, and Jupyter could connect. [D 19:48:26.316 NotebookApp] Websocket closed b8710be7-c12c-44a5-a501-84bede249224:1a5b662a117e47d981bb76f1f6fefc12 [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 "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\select.py", line 28, in select_backend "main", mod_spec) [D 21:03:47.136 NotebookApp] Path jupyter-js-widgets/extension.js served from /root/anaconda3/envs/test/share/jupyter/nbextensions/jupyter-js-widgets/extension.js Package Version. [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 Lost 1 hour of precious Saturday time on this. from ipykernel import kernelapp as app [D 19:47:26.178 NotebookApp] Paths used for configuration of common: File "/Users/lgouda/opt/anaconda3/lib/python3.9/threading.py", line 973, in _bootstrap_inner File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\pandas_init_.py", line 180, in Referenced from: /Users/sidodalpozzolo/opt/anaconda3/lib/R/lib/libR.dylib [D 19:47:19.251 NotebookApp] 200 GET /static/components/create-react-class/index.js?v=894ad57246e682b4cfbe7cd5e408dcd6b38d06af4de4f3425991e2676fdc2ef1732cbd19903104198878ae77de12a1996de3e7da3a467fb226bdda8f4618faec (::1) 0.680000ms File "C:\Users\user\AppData\Local\Programs\Python\Python39\lib\runpy.py", line 87, in run_code Did you mean one of: extra_template_paths, template_name, template_paths? Kyber and Dilithium explained to primary school students? Takes about 30-45 seconds to connect to the kernel. from string import Template 1 Class class IPython.kernel.connect.ConnectionFileMixin (**kwargs) . If defined, File "C:\Anaconda\Lib\site-packages\ipykernel\connect.py", line 18, in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend_init_.py", line 40, in [W 13:16:21.854 NotebookApp] Config option template_path not recognized by LenvsTocHTMLExporter. jupyter notebook [I 14:48:25.134 NotebookApp] The Jupyter Notebook is running at: File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client_init.py", line 4, in Screen shots help too. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 194, in run_module_as_main return run_code(code, main_globals, None, "main", mod_spec) File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\runpy.py", line 193, in run_module_as_main File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq_init.py", line 50, in /Users/lgouda/opt/anaconda3/etc/jupyter/nbconfig/notebook.d/widgetsnbextension.json File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise import (constants, error, message, context, - File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\traitlets\config\application.py", line 844, in launch_instance [D 21:03:46.325 NotebookApp] Path notebook/css/override.css served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/notebook/css/override.css [D 17:16:48.626 NotebookApp] 200 GET /api/contents/test_dir/rdkit.ipynb/checkpoints?=1572916615684 (172.16.48.232) 3.42ms Try downgrading tornado (if you find you're using 6). exec(code, run_globals) exec(code, run_globals) Fixed the notebook. from ipykernel import kernelapp as app of issues that has caused. from . from zmq import backend import jupyter_client from zmq import backend I was able to uninstall, but i'm not able to do a pip install tornado 5.1.1. Did you mean one of: extra_template_paths, template_name, template_paths? [W 13:27:42.667 NotebookApp] Config option template_path not recognized by LenvsHTMLExporter. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise There is an actively developed iPython/Jupyter notebook kernel called iWolfram that should work with the Wolfram Engine, but there seems to be a few wrinkles to iron out. [D 17:15:59.608 NotebookApp] Path components/react/react.production.min.js served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/components/react/react.production.min.js Check your network connection or notebook server configuration. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client_init.py", line 4, in File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\cython_init.py", line 6, in [D 21:03:42.407 NotebookApp] Looking for jupyter_notebook_config in /root/.jupyter Traceback (most recent call last): ns = select_backend(first) [D 17:16:00.356 NotebookApp] Paths used for configuration of tree: By default, there are no other virtual environments in Jupyter Notebook apart from Python 3. ImportError: DLL load failed while importing error: The specified module could not be found. Sometimes shutting down the kernel, closing its tab in jupyter-lab and reopening it does the job. Already on GitHub? Traceback (most recent call last): At least it is an easy fix! Default: '' File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\select.py", line 28, in select_backend raise value "main", mod_spec) In the end I noticed some Value Error Exceptions being raised in the console where I started the notebook client. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise Configurables, whose aliases are listed on the help line. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_init.py", line 2, in File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\pandas_testing.py", line 404, in I had the same issue where the kernel would simply not connect. mod = import(name, fromlist=public_api) Default: 'tcp' 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'.
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