import (constants, error, message, context, During its early stages, Jupyter notebooks used to be called Ipython Notebooks. Before we get into the solutions, what is a kernel error? [D 19:47:19.305 NotebookApp] Paths used for configuration of tree: [W 19:49:02.573 NotebookApp] 404 GET /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels?session_id=1a5b662a117e47d981bb76f1f6fefc12 (::1) 6.970000ms referer=None [D 21:03:42.415 NotebookApp] Paths used for configuration of jupyter_notebook_config: Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. [W 13:17:45.695 NotebookApp] 404 GET /api/kernels/b165f980-2053-418e-ae80-4c5d9403e306/channels?session_id=1e16083640f3443dab046a9fdb78f070 (::1): Kernel does not exist: b165f980-2053-418e-ae80-4c5d9403e306 import (constants, error, message, context, [D 21:03:46.327 NotebookApp] Path components/requirejs/require.js served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/components/requirejs/require.js not nested and not items)) from .connect import * File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\ipkernel.py", line 68, in init [D 19:46:30.455 NotebookApp] Loaded config file: /Users/lgouda/opt/anaconda3/etc/jupyter/jupyter_notebook_config.json from zmq import backend File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 194, in run_module_as_main It just helped me. [D 21:03:42.408 NotebookApp] Loaded config file: /root/.jupyter/jupyter_notebook_config.json self.init_kernel() [D 19:47:26.120 NotebookApp] 200 GET /static/base/images/favicon-notebook.ico?v=eb02bb6f6435d048eba1bf1bd3b3621f8c14f26518dbadd8efd4ee6ee2721caf2367bc0cbc27d2ee2c35bc3b035aad07c6d625422b9445bf301897f493d0edc5 (::1) 1.060000ms import jupyter_client [D 17:16:48.422 NotebookApp] 200 GET /nbextensions/jupyter-js-widgets/extension.js?v=20191105171433 (172.16.48.232) 161.32ms File "C:\ProgramData\Anaconda3\lib\re.py", line 234, in compile [D 17:16:00.824 NotebookApp] 200 GET /nbextensions/nb_conda/views.js?v=20191105171433 (172.16.48.232) 2.53ms If you found the downgrade to work, was that after attempting the upgrade approach? Did you mean one of: extra_template_paths, template_name, template_paths? self.load_connection_file() File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\ipykernel_launcher.py", line 16, in File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\kernelapp.py", line 562, in initialize [I 08:53:47.270 NotebookApp] KernelRestarter: restarting kernel (1/5), new random ports On launch or while working on a project, there is a high chance you will come across a Kernel Error. File "C:\Anaconda\Lib\site-packages\zmq\backend\cython_init.py", line 6, in on full configurables, see '--help-all'. /Users/lgouda/opt/anaconda3/etc/jupyter/nbconfig/notebook.d/jupyterlab-plotly.json [W 15:39:18.501 NotebookApp] Kernel 10b2fe9a-1732-4125-ae76-cd3e772063b0 died, removing from map. Traceback (most recent call last): [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 File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_init.py", line 2, in Jupyter Notebook Kernel Not Connecting Connection Failed Issue 5024 Jupyter Notebook Github File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq_init.py", line 50, in [W 18:45:46.378 NotebookApp] 404 GET /api/kernels/7096c5db-c9da-466a-8db9-a9faf91a6a07/channels?session_id=9cd069ef84f34a349e950ea328934ea9 (::1): Kernel does not exist: 7096c5db-c9da-466a-8db9-a9faf91a6a07 from ipykernel import kernelapp as app Here is the output for jupyter notebook : And this is the outcome for jupyter notebook - debug . /root/anaconda3/envs/my-rdkit-env/etc/jupyter/jupyter_notebook_config.json File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\cython_init.py", line 6, in You should always look for the prerequisite packages and upgrade them (or uninstall all of them and install notebook to grab the best version matching. But I'm running out of ideas to suggest. Wall shelves, hooks, other wall-mounted things, without drilling? app.initialize(argv) [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 Really appreciate your patience Kevin. from .connect import * reraise(*exc_info) Neither re-installing Tornado to version 5.1.1., nor reinstalling ipywidgets, succeeded in solving the issue. Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Were bringing advertisements for technology courses to Stack Overflow, pip install geopandas: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output, Jupyter Notebook Cannot Connect to Kernel, Likely due to Zipline / AssertionError, "import tensorflow" results in error: No module named 'tensorflow.python.eager.polymorphic_function' (Python in Jupyter Lab), Using IPython / Jupyter Notebooks Under Version Control, How to make IPython notebook matplotlib plot inline, Conda environments not showing up in Jupyter Notebook, after installing jupyter locally, I can't run jupyter notebook, I can't install Jupyter and Matplotlib in my anaconda env, No module named 'tensorflow' jupyter notebook, Keras code not working in Jupyter: "The kernel appears to have died. Did you mean one of: extra_template_paths, template_name, template_paths? File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\runpy.py", line 193, in run_module_as_main I still have the same problem, downgrading tornado didn't fix it. Thanks for all the suggestions! [D 17:14:33.067 NotebookApp] Looking for jupyter_notebook_config in /usr/local/etc/jupyter self.init_magics() win32_restrict_file_to_user(fname) File "C:\ProgramData\Anaconda3\lib\site-packages\IPython\core\interactiveshell.py", line 2250, in init_magics [W 2021-08-31 13:11:57.339 LabApp] 'notebook_dir' has moved from NotebookApp to ServerApp. See Jupyter notebook: No connection to server because websocket connection fails. [W 13:16:23.442 NotebookApp] Config option template_path not recognized by LenvsSlidesExporter. [W 17:16:24.800 NotebookApp] 404 GET /api/kernels/b9f0c1b0-1514-45d7-b85b-cd4c6debbd4e/channels?session_id=acb5ce3822b84d109b498f83dfa3d7ce (::1): Kernel does not exist: b9f0c1b0-1514-45d7-b85b-cd4c6debbd4e Traceback (most recent call last): /root/.jupyter/jupyter_notebook_config.json has higher priority: { from .connect import * [D 17:16:48.626 NotebookApp] 200 GET /api/contents/test_dir/rdkit.ipynb/checkpoints?=1572916615684 (172.16.48.232) 3.42ms from string import Template ipykernel-5.3.0 File "C:\Anaconda\Lib\site-packages\ipykernel_init.py", line 2, in /usr/local/etc/jupyter/nbconfig/common.json File "C:\Users\jamil\anaconda3\envs\gpu2\lib\runpy.py", line 193, in run_module_as_main import zmq [I 19:46:31.318 NotebookApp] http://localhost:8888/?token=67847a24b1cd9dc07059177d26669194deee2b0a7ae614c2 p = _parse_sub(source, pattern, flags & SRE_FLAG_VERBOSE, 0) [W 01:43:43.185 NotebookApp] Replacing stale connection: 0f138dea-b642-4fbf-8b5a-a22f979fb603:756a070714d04866bc9f5c7f600db245 [D 19:46:30.455 NotebookApp] Looking for jupyter_notebook_config in /Users/lgouda/opt/anaconda3/etc/jupyter File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in Just upgrade your tornado version by using this command in conda environment -. There was a broken symbol where usually python 3 is labelled No connection to Kernel and an orange connecting to kernel badge next to Trusted. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 27, in (base) PS C:\Users\jamil> conda remove jupyter jupyter-client jupyter-console jupyter-core Soo Jeong 6 months. [W 19:48:28.085 NotebookApp] 404 GET /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels?session_id=1a5b662a117e47d981bb76f1f6fefc12 (::1) 29.360000ms referer=None File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq_init_.py", line 50, in 528), Microsoft Azure joins Collectives on Stack Overflow. [W 13:16:54.152 NotebookApp] Config option template_path not recognized by LenvsSlidesExporter. [W 18:46:15.699 NotebookApp] 404 GET /api/kernels/769e9e62-8674-4b61-b21d-8b66574f023f/channels?session_id=04c75536d4594d4583014567d3332bae (::1): Kernel does not exist: 769e9e62-8674-4b61-b21d-8b66574f023f File "C:\ProgramData\Anaconda3\lib\sre_compile.py", line 764, in compile [W 13:16:52.154 NotebookApp] Config option template_path not recognized by LenvsTocHTMLExporter. [D 17:16:00.363 NotebookApp] Paths used for configuration of common: /Users/lgouda/opt/anaconda3/etc/jupyter/nbconfig/common.json raise value File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in Next, you can run this command: jupyter console --existing. File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\jupyter_core\paths.py", line 387, in win32_restrict_file_to_user Is this a bug on tornado 6.0? File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in [D 21:03:47.396 NotebookApp] Kernel args: {'kernel_name': 'python3', 'cwd': '/root/test_dir'} [D 17:16:48.140 NotebookApp] Paths used for configuration of notebook: You can also follow this issue as well: #5577 (comment) - which links to others. Thanks, i checked and it looks like Tornado 6.0 came by default when did a pip install jupyter. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\cython_init.py", line 6, in kernel = self, from zmq import backend from . 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? [D 19:50:41.627 NotebookApp] Initializing websocket connection /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels (%s)$' % winext,re.IGNORECASE) "NotebookApp": { import zmq Well occasionally send you account related emails. File "C:\Anaconda\Lib\site-packages\zmq\backend_init_.py", line 40, in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 194, in run_module_as_main Did you mean one of: extra_template_paths, template_name, template_paths? [W 15:44:46.131 NotebookApp] Replacing stale connection: ea5eb9b2-7cc6-455b-8068-db5ce61ad768:a10207319f184c1bace6c946609970b2 [D 21:03:42.414 NotebookApp] Paths used for configuration of jupyter_notebook_config: Choices: ['tcp', 'ipc'] File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\ipykernel\kernelapp.py", line 257, in init_connection_file You have adressed similar issues but mine seems to be different from theirs. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client_init.py", line 4, in File "C:\ProgramData\Anaconda3\lib\runpy.py", line 193, in _run_module_as_main The session has been removed. from ipykernel import kernelapp as app Not the answer you're looking for? [D 17:16:48.141 NotebookApp] 200 GET /api/config/notebook?=1572916615681 (172.16.48.232) 6.31ms File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client\connect.py", line 21, in from zmq import backend On Tue, 3 Sep, 2019, 1:00 PM Deep Chatterjee, ***@***. Traceback (most recent call last): exec(code, run_globals) File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\ipykernel\kernelapp.py", line 257, in init_connection_file File "C:\ProgramData\Anaconda3\lib\runpy.py", line 85, in _run_code [D 17:16:47.752 NotebookApp] Path components/MathJax/MathJax.js served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/components/MathJax/MathJax.js (%s)$' % winext,re.IGNORECASE) import zmq from .connect import * PyCharm & Jupyter Notebook - Where's the output? [D 17:16:48.137 NotebookApp] Paths used for configuration of notebook: import zmq File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\json_init.py", line 346, in loads Traceback (most recent call last): Collecting package metadata (repodata.json): done raise value File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\select.py", line 28, in select_backend Strange fan/light switch wiring - what in the world am I looking at, Poisson regression with constraint on the coefficients of two variables be the same. from . [D 17:16:48.265 NotebookApp] 200 GET /nbextensions/nb_conda/main.js?v=20191105171433 (172.16.48.232) 1.74ms [W 13:28:05.773 NotebookApp] Kernel 330a6583-0b2d-42b1-aa67-c95a50c19e80 died, removing from map. [D 17:16:47.754 NotebookApp] 304 GET /custom/custom.css (172.16.48.232) 2.14ms File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, 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. Here's some text that appeared in the Anaconda Prompt window: (mflix) C:\Users\Kim Sullivan\Documents\M220>jupyter notebook File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 40, in File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client\connect.py", line 21, in [D 19:47:19.228 NotebookApp] Path components/react/react-dom.production.min.js served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/components/react/react-dom.production.min.js re.error: incomplete escape \U at position 52 --client-ca= (NotebookApp.client_ca) reraise(*exc_info) [I 18:45:07.693 NotebookApp] Jupyter Notebook 6.1.4 is running at: File "/Users/lgouda/opt/anaconda3/lib/python3.9/threading.py", line 910, in run File "C:\ProgramData\Anaconda3\lib\runpy.py", line 85, in _run_code "main", mod_spec) import pandas as pd ImportError: DLL load failed while importing error: The specified module could not be found. [I 14:12:36.081 NotebookApp] JupyterLab application directory is C:\ProgramData\Anaconda3\share\jupyter\lab [I 17:15:16.492 NotebookApp] JupyterLab extension loaded from /Users/sidodalpozzolo/opt/anaconda3/lib/python3.8/site-packages/jupyterlab [D 19:48:26.314 NotebookApp] Getting buffer for b8710be7-c12c-44a5-a501-84bede249224 File "C:\ProgramData\Anaconda3\lib\site-packages\IPython\core\magics\osm.py", line 52, in init File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq_init_.py", line 50, in re.error: incomplete escape \U at position 52 [D 17:16:47.470 NotebookApp] Path notebook/css/override.css served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/notebook/css/override.css AttributeError: partially initialized module 'string' has no attribute 'ascii_letters' (most likely due to a circular import). mod = import(name, fromlist=public_api) [I 15:39:03.469 NotebookApp] Kernel started: 10b2fe9a-1732-4125-ae76-cd3e772063b0, name: gpu2 The Jupyter notebook keeps saying Connecting to kernel, which never reaches finally popping an error, A connection to the notebook server could not be established. open_result = handler.open(*handler.open_args, **handler.open_kwargs) mod = import(name, fromlist=public_api) [I 18:45:07.690 NotebookApp] JupyterLab application directory is /Users/sidodalpozzolo/opt/anaconda3/share/jupyter/lab This is in Julia 1.7.3 This is my install procedure . [W 17:16:27.974 NotebookApp] Replacing stale connection: b9f0c1b0-1514-45d7-b85b-cd4c6debbd4e:acb5ce3822b84d109b498f83dfa3d7ce, here's the error message I get on the Kernel: Reason: image not found [I 17:15:16.494 NotebookApp] or http://127.0.0.1:8889/?token=b6d801352daf95e483d98ff5ec2bfd77f3a071b2fdd12352 File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\cython_init.py", line 6, in from . import jupyter_client File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\pandas_testing.py", line 404, in self.load_connection_file() [D 21:04:47.703 NotebookApp] Connecting to: tcp://:48108 This file can be located by running jupyter kernelspec list and identifying the kernel name corresponding to the kernel you're trying to launch. [I 08:53:30.834 NotebookApp] http://localhost:8888/?token=022ac9c1bda06555311b7bb5a70b8d58cd5f0b6d5b8bc67b import zmq dyld: Library not loaded: @rpath/libreadline.6.2.dylib A Microsoft tool for creating, managing, operating, and optimizing high-performance computing (HPC) and big compute clusters in Azure. /usr/local/etc/jupyter/nbconfig/notebook.json 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. File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 924, in parse File "C:\Users\jamil\anaconda3\envs\gpu2\lib\runpy.py", line 85, in run_code kernel = self, File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in I am still testing it. after restarting the notebook server: File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_launcher.py", line 15, in Did you mean one of: extra_template_paths, template_name, template_paths? [D 19:47:26.228 NotebookApp] 304 GET /custom/custom.js?v=20220521194630 (::1) 1.300000ms /etc/jupyter/nbconfig/common.json [I 17:15:16.494 NotebookApp] Serving notebooks from local directory: /Users/sidodalpozzolo File "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\config\configurable.py", line 412, in instance [D 17:16:48.729 NotebookApp] Connecting to: tcp://:37767 File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client\connect.py", line 21, in [D 17:16:48.836 NotebookApp] 304 GET /nbextensions/nb_conda/common.js?v=20191105171433 (172.16.48.232) 1.30ms File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 420, in _parse_sub The source of these exceptions was another python script in the same folder as the notebook. It helped. The strange part is, iPython on terminal works FINE. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\cython_init.py", line 6, in [I 13:43:20.815 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). File "", line 2, in initialize Answer yes to any questions instead of prompting. reraise(*exc_info) File "/Users/lgouda/opt/anaconda3/lib/python3.9/threading.py", line 973, in bootstrap_inner Is there a way to run Jupyter Notebooks Without Anaconda? ( path : jupyter -> kernel -> change kernel -> my_env ). from . ImportError: DLL load failed: The specified module could not be found. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend_init_.py", line 40, in There is a likelihood that you've updated Tornado to 6.0.0 recently. /root/anaconda3/envs/test/etc/jupyter/jupyter_notebook_config.d/jupyterlab.json p = sre_parse.parse(p, flags) [D 17:16:00.826 NotebookApp] 200 GET /nbextensions/nb_conda/urls.js?v=20191105171433 (172.16.48.232) 3.07ms environment variable to override it. yet so far I donot see the problem and it has been an hr. Referenced from: /Users/sidodalpozzolo/opt/anaconda3/lib/R/lib/libR.dylib File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 27, in (base) C:\Users\stephen.bonacci>jupyter kernelspec list [D 19:47:19.226 NotebookApp] Path style/style.min.css served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/style/style.min.css JupyterLab will continue trying to reconnect. mod = import(name, fromlist=public_api) Did you mean one of: extra_template_paths, template_name, template_paths? With that in mind, the issue (above) is due to this: ImportError: WSAStartup failed: error code 10107. /root/.jupyter/nbconfig/tree.json File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client\connect.py", line 21, in [D 19:47:19.249 NotebookApp] Path custom.css served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/custom/custom.css On 2 Nov 2017 6:37 p.m., "ZaRaSm" ***@***. [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 @vidartf might have seen this before or have a better idea of how to go about a diagnosis or providing "working" instructions for command-line invocation. [D 17:16:00.816 NotebookApp] 200 GET /api/contents?type=directory&=1572916567939 (172.16.48.232) 6.96ms Set a password for the notebook server. I did this just now and it resolved. from .connect import * Traceback (most recent call last): from . [D 17:16:47.469 NotebookApp] Path base/images/favicon-notebook.ico served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/base/images/favicon-notebook.ico One of the arguments "parameterized" in the argv stanza will be the location of the connection file, which you may need to fabricate in order to satisfy the command-line invocation. import zmq This launches a Tornado based HTML Notebook Server that serves up an Where did i go wrong here and how can i fix this? reraise(*exc_info) Yet I havenot tested that. from .connect import * python -m pip uninstall -y jupyter jupyter_core jupyter-client jupyter-console jupyterlab_pygments notebook qtconsole nbconvert nbformat. I was able to uninstall, but i'm not able to do a pip install tornado 5.1.1. [I 21:03:42.682 NotebookApp] The Jupyter Notebook is running at: File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq_init.py", line 50, in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 194, in run_module_as_main [W 2021-08-31 13:11:57.339 LabApp] 'notebook_dir' has moved from NotebookApp to ServerApp. [W 13:16:55.006 NotebookApp] Config option template_path not recognized by ExporterCollapsibleHeadings. :). m = m(shell=self.shell) from . from . [D 19:47:26.284 NotebookApp] Connecting to: tcp://127.0.0.1:58644 reraise(*exc_info) File "C:\Anaconda\Lib\site-packages\zmq\backend\select.py", line 28, in select_backend from .connect import * import (constants, error, message, context, [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\zmq\backend_init_.py", line 40, in File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\kernelapp.py", line 447, in init_kernel exec(code, run_globals) Did you mean one of: extra_template_paths, template_name, template_paths? File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 369, in _escape Referenced from: /Users/sidodalpozzolo/opt/anaconda3/lib/R/lib/libR.dylib File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 27, in return run_code(code, main_globals, None, /Users/lgouda/.jupyter/nbconfig/tree.json File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client\connect.py", line 21, in File "C:\ProgramData\Anaconda3\lib\runpy.py", line 87, in run_code Did you mean one of: extra_template_paths, template_name, template_paths? [E 17:16:22.671 NotebookApp] Error opening stream: HTTP 404: Not Found (Kernel does not exist: b9f0c1b0-1514-45d7-b85b-cd4c6debbd4e) File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 420, in _parse_sub app.initialize(argv) Solving environment: done, (base) PS C:\Users\jamil> jupyter notebook exec(code, run_globals) Traceback (most recent call last): File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client_init.py", line 4, in info = json.load(f) [W 08:53:59.288 NotebookApp] KernelRestarter: restart failed [I 17:15:16.494 NotebookApp] http://localhost:8889/?token=b6d801352daf95e483d98ff5ec2bfd77f3a071b2fdd12352 Hi @mikekwabs - please see this comment relative to the other issue you commented. Did you mean one of: extra_template_paths, template_name, template_paths? File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py", line 15, in I would start here: 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, I tried both conda update -c rdonnellyr -c main --all and conda install -c r r-irkernel but none of them did the trick for me sadly. ns = select_backend(first) from . I apologize for not being able to help you further. File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 369, in _escape File "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\config\application.py", line 663, in launch_instance [D 17:16:00.778 NotebookApp] 200 GET /custom/custom.js?v=20191105171433 (172.16.48.232) 6.30ms [D 19:47:35.362 NotebookApp] Starting kernel: ['/Users/lgouda/opt/anaconda3/bin/python', '-m', 'ipykernel_launcher', '-f', '/Users/lgouda/Library/Jupyter/runtime/kernel-b8710be7-c12c-44a5-a501-84bede249224.json'] from zmq import backend Also, since IPython appears to be sensitive to the version of prompt_toolkit, I would recommend checking prompt_toolkit's version as well. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in [D 17:17:48.733 NotebookApp] 101 GET /api/kernels/f4d9a8b3-ef52-4c5b-b675-82ec5c8d3669/channels?session_id=77f3e9738ba44a078cf968c2cc61bc17 (172.16.48.232) 60007.36ms raise value Note if I try to open another Juypter window while the 1st one is still opened seems all socket are used. mod = import(name, fromlist=public_api) from .connect import * [D 21:04:47.982 NotebookApp] Path base/images/favicon.ico served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/base/images/favicon.ico [I 19:47:29.286 NotebookApp] KernelRestarter: restarting kernel (1/5), new random ports import zmq File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel\connect.py", line 18, in after activation, you can observe that the environment has changed from base to py this is a confirmation that the activation of the new environment worked perfectly. self.execre = re.compile(r'(.). raise source.error("incomplete escape %s" % escape, len(escape)) Have a question about this project? File "C:\Anaconda\Lib\site-packages\zmq\backend_init_.py", line 40, in import zmq [D 19:47:19.229 NotebookApp] Path components/requirejs/require.js served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/components/requirejs/require.js from .connect import * this problem aise when i tried installing jupyter widgets for tensorflow, from zmq import backend File "C:\ProgramData\Anaconda3\lib\site-packages\IPython\core\interactiveshell.py", line 687, in init During handling of the above exception, another exception occurred: Traceback (most recent call last): [I 17:15:16.494 NotebookApp] http://localhost:8889/?token=b6d801352daf95e483d98ff5ec2bfd77f3a071b2fdd12352 [D 19:47:29.292 NotebookApp] Starting kernel: ['/Users/lgouda/opt/anaconda3/bin/python', '-m', 'ipykernel_launcher', '-f', '/Users/lgouda/Library/Jupyter/runtime/kernel-b8710be7-c12c-44a5-a501-84bede249224.json'] [D 21:03:42.407 NotebookApp] Looking for jupyter_notebook_config in /root/.jupyter ImportError: DLL load failed while importing win32api: The specified module could not be found. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\cython_init.py", line 6, in File "C:\Anaconda\Lib\site-packages\zmq_init.py", line 55, in File "C:\Anaconda\Lib\site-packages\zmq\backend_init_.py", line 27, in Maybe try reinstalling it in a separate virtual environment? [D 19:47:26.193 NotebookApp] Found kernel python3 in /Users/lgouda/opt/anaconda3/share/jupyter/kernels app.launch_new_instance() I deleted everything again and again and downloaded anaconda from command installer instead of graphical and it worked. import jupyter_client from . [D 17:14:33.066 NotebookApp] Looking for jupyter_config in /root/anaconda3/envs/my-rdkit-env/etc/jupyter [W 13:16:22.118 NotebookApp] Config option template_path not recognized by LenvsLatexExporter. "main", mod_spec) File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 40, in [D 21:03:47.695 NotebookApp] Initializing websocket connection /api/kernels/425ab218-76c9-4bb0-b6e2-fb3b90565c03/channels File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\kernelapp.py", line 447, in init_kernel [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 Did you mean one of: extra_template_paths, template_name, template_paths? reraise(*exc_info) File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_init.py", line 2, in File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\zmqshell.py", line 593, in init_magics [E 01:44:00.146 NotebookApp] Error opening stream: HTTP 404: Not Found (Kernel does not exist: 0f138dea-b642-4fbf-8b5a-a22f979fb603) Did you mean one of: extra_template_paths, template_name, template_paths? File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 810, in _parse Did you mean one of: extra_template_paths, template_name, template_paths? [D 19:46:30.463 NotebookApp] Paths used for configuration of jupyter_notebook_config: privacy statement. Did you mean one of: extra_template_paths, template_name, template_paths? 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'. Here it is: @toanasahmed - this is the output on the Notebook itself. [E 13:17:44.593 NotebookApp] Error opening stream: HTTP 404: Not Found (Kernel does not exist: b165f980-2053-418e-ae80-4c5d9403e306) [W 17:15:30.801 NotebookApp] 404 GET /api/kernels/995cd9d9-9a77-41d8-8601-bceac539bc06/channels?session_id=4d4313321c464fd7a15a4a9ea8ef0cef (::1): Kernel does not exist: 995cd9d9-9a77-41d8-8601-bceac539bc06 [D 19:47:19.227 NotebookApp] Path components/es6-promise/promise.min.js served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/components/es6-promise/promise.min.js Press CTRL + C and create a new virtual environment using this code. [D 21:03:47.698 NotebookApp] Requesting kernel info from 425ab218-76c9-4bb0-b6e2-fb3b90565c03 [D 17:16:00.781 NotebookApp] 200 GET /api/terminals?=1572916567938 (172.16.48.232) 1.06ms [D 19:47:26.299 NotebookApp] Requesting kernel info from b8710be7-c12c-44a5-a501-84bede249224 File "C:\Anaconda\Lib\site-packages\ipykernel_launcher.py", line 15, in mod = import(name, fromlist=public_api) [E 08:54:44.320 NotebookApp] Error opening stream: HTTP 404: Not Found (Kernel does not exist: 141bcf3c-2e22-45aa-a0cf-5a6e91946b02) [D 19:47:38.395 NotebookApp] Starting kernel: ['/Users/lgouda/opt/anaconda3/bin/python', '-m', 'ipykernel_launcher', '-f', '/Users/lgouda/Library/Jupyter/runtime/kernel-b8710be7-c12c-44a5-a501-84bede249224.json'] from .connect import * This week some 10 out of 60 could not establish a running kernel again. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_launcher.py", line 15, in The fact that the restarter is kicking in indicates that the process used to launch the kernel is starting such that the start_kernel() request succeeds, then the process is terminating (probably immediately - although the polling interval of the restarter defaults to 3 seconds). } Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Windows --> Change Proxy Settings --> Automatically Detect Settings --> "Turn-off", jupyter notebook keeps CONNECTING TO KERNEL, Jupyter notebook: No connection to server because websocket connection fails, Flake it till you make it: how to detect and deal with flaky tests (Ep. Thanks to @Elena for discovering this issue. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\runpy.py", line 85, in run_code [D 17:16:00.825 NotebookApp] Path nb_conda/urls.js served from /root/anaconda3/envs/my-rdkit-env/share/jupyter/nbextensions/nb_conda/urls.js File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel_launcher.py", line 16, in of issues that has caused. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 194, in run_module_as_main Just make *.py files and *.IPYNB files in a separated folders. Find centralized, trusted content and collaborate around the technologies you use most. PS C:\Users\stephen.bonacci\Desktop\AOTC> & 'C:\ProgramData\Anaconda3\python.exe' 'c:\Users\stephen.bonacci.vscode\extensions\ms-python.python-2022.16.1\pythonFiles\lib\python\debugpy\adapter/../..\debugpy\launcher' '62337' '--' 'c:\Users\stephen.bonacci\Desktop\AOTC\Debug File.ipynb' I am having macos Monterey if it matters. [D 19:48:30.159 NotebookApp] Using contents: services/contents m = m(shell=self.shell) import jupyter_client from zmq import backend import zmq File "", line 2, in initialize Any suggestions? The notebook will continue trying to reconnect. (Update: I found out that the new notebooks are connecting to kernel until an old notebook is opened. [D 17:16:48.649 NotebookApp] 304 GET /nbextensions/nb_conda/views.js?v=20191105171433 (172.16.48.232) 1.30ms self.run() import jupyter_client raise value [I 2022-10-14 13:28:24.300 ServerApp] nbclassic | extension was successfully loaded. [I 14:12:36.653 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). Already on GitHub? [D 21:03:47.041 NotebookApp] Paths used for configuration of common: [I 18:45:24.890 NotebookApp] KernelRestarter: restarting kernel (4/5), new random ports [D 19:46:30.454 NotebookApp] Looking for jupyter_config in /usr/local/etc/jupyter File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\json_init.py", line 346, in loads import zmq Most kernel errors are often brought about by the failure of the Notebook to connect with other versions of Python. m.PylabMagics, m.ScriptMagics, File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\cython_init.py", line 6, in raise value [W 17:49:29.466 NotebookApp] Replacing stale connection: 64e1f1ca-8f10-4995-8170-a8a3f56d0847:D9F2455DAFA4402381AC2B5512679652 File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_launcher.py", line 15, in "main", mod_spec) from ipykernel import kernelapp as app from ipykernel import kernelapp as app File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 420, in _parse_sub and this is the full log 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. This is the Error that appears in the console ! /etc/jupyter/jupyter_notebook_config.json [W 13:27:39.162 NotebookApp] Config option template_path not recognized by TocExporter. BrokenPipeError: [Errno 32] Broken pipe, Part B (with the debug and I was just creating a new file on juypter notes for testing) What did it sound like when you played the cassette tape with programs on it? I am attaching some images please find out. [D 17:15:59.606 NotebookApp] Path style/style.min.css served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/style/style.min.css obj, end = self.raw_decode(s, idx=w(s, 0).end()) raise value [D 19:47:27.308 NotebookApp] 200 GET /static/base/images/favicon-busy-1.ico (::1) 7.560000ms File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in The Jupyter HTML Notebook. /Users/lgouda/.jupyter/nbconfig/notebook.json Using Virtual Environments in Jupyter as Kernels. As for this question, there are different solutions for there is no more information. It may show some clues as to what might be happening. File "C:\ProgramData\Anaconda3\lib\socket.py", line 51, in My case is I have a file named 'email.py' in the same folder of my '.ipynb' file. "main", mod_spec) It should be only one socket, so not sure it is also a threading problem. self.write_connection_file() super(ZMQInteractiveShell, self).init_magics() Did you mean one of: extra_template_paths, template_name, template_paths? How dry does a rock/metal vocal have to be during recording? If you were to tickle your pyzmq installation, you should probably do so with conda. from .connect import * [W 13:16:24.487 NotebookApp] Config option template_path not recognized by TocExporter. NumExpr defaulting to 8 threads. [C 20:16:39.883 NotebookApp], Exception in thread Thread-1: [D 19:47:19.307 NotebookApp] Paths used for configuration of common: /etc/jupyter/nbconfig/notebook.json [D 21:03:46.326 NotebookApp] Path components/react/react.production.min.js served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/components/react/react.production.min.js [I 15:39:48.174 NotebookApp] KernelRestarter: restarting kernel (4/5), new random ports File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\ipkernel.py", line 68, in init File "C:\Users\jamil\anaconda3\envs\gpu2\lib\runpy.py", line 85, in run_code ns = select_backend(first) import zmq I don't know what happened, but I've been working with Azure ML for 6 months already and it's the first time I get this kind of error. [D 17:14:33.069 NotebookApp] Loaded config file: /root/.jupyter/jupyter_notebook_config.json File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\ipkernel.py", line 68, in init --gateway-url= (GatewayClient.url) File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise As I said before, the directory listing looks correct. Did you mean one of: extra_template_paths, template_name, template_paths? File "c:\Users\stephen.bonacci.vscode\extensions\ms-python.python-2022.16.1\pythonFiles\lib\python\debugpy\launcher/../..\debugpy\launcher\debuggee.py", line 15, in import jupyter_client [I 14:48:38.797 NotebookApp] Kernel started: 34ab8f86-f841-4692-bd38-04bce7ecfdf4 Default: 8888 [W 17:14:33.069 NotebookApp] Collisions detected in /root/.jupyter/jupyter_notebook_config.py and /root/.jupyter/jupyter_notebook_config.json config files. reraise(*exc_info) Anaconda: 4.7.12 [D 21:03:47.476 NotebookApp] 304 GET /static/components/MathJax/extensions/Safe.js?V=2.7.6 (172.16.48.232) 1.44ms pas de commentaires ou pas de commentaire, victoria cavaliere leaving wjhl, rockco funeral home centerville obituaries, tom donahue alumni alliances, wings of fire blue and cricket fanfiction, deaths in brevard county yesterday, is paul sorvino deaf, university of windsor medical school requirements, what tribe was naboth from, where is justin pierre edmund today, when do they drain douglas lake tn, board member undermining executive director, fabric nightclub owner kilbey, sheri lara sharpe biloxi, ukg customer service number,
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