no connection to kernel jupyter

import zmq [D 21:03:47.075 NotebookApp] Found kernel python3 in /root/anaconda3/envs/test/share/jupyter/kernels [C 17:15:16.501 NotebookApp], [I 17:15:21.585 NotebookApp] Creating new notebook in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 87, in run_code (Update: I found out that the new notebooks are connecting to kernel until an old notebook is opened. [E 01:44:00.146 NotebookApp] Error opening stream: HTTP 404: Not Found (Kernel does not exist: 0f138dea-b642-4fbf-8b5a-a22f979fb603) from .connect import * dyld: Library not loaded: @rpath/libreadline.6.2.dylib Allow the notebook to be run from root user. Sometimes duplicate names of imported packages can interfere as well. Traceback (most recent call last): File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\kernelapp.py", line 447, in init_kernel [W 13:16:51.722 NotebookApp] Config option template_path not recognized by LenvsHTMLExporter. File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\json\decoder.py", line 355, in raw_decode File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in ns = select_backend(first) @DavisVickers glad to hear it helped. File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\json_init.py", line 293, in load File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client\connect.py", line 21, in In less technical terms, it is choosing like a massive folder with easy access to keep your notes, text files, and libraries for recollection and transfer. rev2023.1.17.43168. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 27, in PyCharm & Jupyter Notebook - Where's the output? [D 21:03:42.408 NotebookApp] Looking for jupyter_notebook_config in /root File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 27, in File "C:\ProgramData\Anaconda3\lib\runpy.py", line 197, in _run_module_as_main [I 17:15:31.650 NotebookApp] KernelRestarter: restarting kernel (3/5), new random ports File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\json\decoder.py", line 355, in raw_decode Azure CycleCloud. return _default_decoder.decode(s) Yet I havenot tested that. [I 19:49:31.495 NotebookApp] Saving file at /Python Codes.ipynb At first, it seemed kernel was connecting with a new notebook but after some time kernel was connecting in a new notebook. import (constants, error, message, context, ns = select_backend(first) File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 810, in _parse dyld: Library not loaded: @rpath/libreadline.6.2.dylib File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in The full path to an SSL/TLS certificate file. File "C:\Anaconda\Lib\site-packages\zmq\backend\select.py", line 28, in select_backend @kevin-bates thanks, downgrading to tornado 5.1.1 fixed it. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_launcher.py", line 15, in [W 13:16:24.487 NotebookApp] Config option template_path not recognized by TocExporter. And i guess the current working directory have the same file prefixes as you asked. I experienced a similar issue on my old PC converted into a Ubuntu 20.04 server, with Jupyterlab running under Jupyterhub. How (un)safe is it to use non-random seed words? Did you mean one of: extra_template_paths, template_name, template_paths? Continuing All rights reserved. BrokenPipeError: [Errno 32] Broken pipe, Part B (with the debug and I was just creating a new file on juypter notes for testing) [D 21:03:46.324 NotebookApp] Path components/codemirror/lib/codemirror.css served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/components/codemirror/lib/codemirror.css I have Python 3.7.1 installed. /usr/local/etc/jupyter/nbconfig/common.json ImportError: DLL load failed: The specified module could not be found. [W 13:17:10.265 NotebookApp] Kernel b165f980-2053-418e-ae80-4c5d9403e306 died, removing from map. [W 15:40:41.114 NotebookApp] Replacing stale connection: ea5eb9b2-7cc6-455b-8068-db5ce61ad768:a10207319f184c1bace6c946609970b2 File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\json_init.py", line 293, in load [W 15:39:03.364 NotebookApp] Notebook Untitled2.ipynb is not trusted I have found this same issue, and identified it only happens with Chrome standard browser. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 194, in run_module_as_main [D 21:03:48.513 NotebookApp] 304 GET /static/base/images/favicon-busy-1.ico (172.16.48.232) 1.56ms BrokenPipeError: [Errno 32] Broken pipe File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_init.py", line 2, in [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'] from . In my case, I just updated my jupyter and it worked. Please capture the entire startup sequence, either via screen-scrape or by redirecting the output to a file. However, it is recommended that you switch to your preferred directory before running codes on the notebook. m.PylabMagics, m.ScriptMagics, To subscribe to this RSS feed, copy and paste this URL into your RSS reader. from zmq import backend Im sure youre wondering, what is ipykernel? File "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\config\application.py", line 87, in catch_config_error (test) [root@localhost ~]# jupyter notebook --allow-root --debug [I 13:43:20.812 NotebookApp] Serving notebooks from local directory: C:\Users\user [W 15:39:33.524 NotebookApp] Trusting notebook /Untitled2.ipynb I got this problem right now. Traceback (most recent call last): [D 17:16:00.823 NotebookApp] Path nb_conda/views.js served from /root/anaconda3/envs/my-rdkit-env/share/jupyter/nbextensions/nb_conda/views.js For more information File "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\config\configurable.py", line 412, in instance Most kernel errors are often brought about by the failure of the Notebook to connect with other versions of Python. Thanks Bro, This was a big helpstruggling since a week. privacy statement. File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\pandas\testing.py", line 5, in --log-level= (Application.log_level) What is the origin and basis of stare decisis? I have clean-uninstalled anaconda and uninstalled all jupyter using python -m pip uninstall -y jupyter jupyter_core jupyter-client jupyter-console jupyterlab_pygments notebook qtconsole nbconvert nbformat. self.init_kernel() [W 13:16:52.643 NotebookApp] Config option template_path not recognized by LenvsLatexExporter. --port-retries= (NotebookApp.port_retries) Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor, Indefinite article before noun starting with "the". [I 15:39:03.469 NotebookApp] Kernel started: 10b2fe9a-1732-4125-ae76-cd3e772063b0, name: gpu2 The debug flag uses two dashes and no space between the second dash and the string 'debug'. Lost 1 hour of precious Saturday time on this. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq_init.py", line 50, in ( path : jupyter -> kernel -> change kernel -> my_env ). [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:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in [I 2021-10-27 08:53:30.819 LabApp] JupyterLab application directory is C:\Users\jamil\anaconda3\share\jupyter\lab File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 194, in run_module_as_main File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\ipykernel\connect.py", line 13, in File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 40, in reraise(*exc_info) Original issue. Someone said run "Python: Select interpreter to start Jupyter server", someone also said run"Notebook . ns = select_backend(first) Did you mean one of: extra_template_paths, template_name, template_paths? Referenced from: /Users/sidodalpozzolo/opt/anaconda3/lib/R/lib/libR.dylib How to make IPython notebook matplotlib plot inline, Jupyter notebook keeps reconnecting to kernel, Jupyter Notebook is not connecting with Kernel, can't open new notebook with particular kernel, Connection to the Jupyter Notebook Server could not be established, Jupyter Notebook Kernel Not Connecting: Connection Failed (while Jupyter kernel connection works in Visual Studio Code). (%s)$' % winext,re.IGNORECASE) File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\traitlets\config\application.py", line 87, in inner It should be only one socket, so not sure it is also a threading problem. using subcommand 'cmd', do: jupyter-notebook cmd -h. list Did you mean one of: extra_template_paths, template_name, template_paths? [W 15:39:18.501 NotebookApp] KernelRestarter: restart failed /Users/lgouda/opt/anaconda3/etc/jupyter/nbconfig/notebook.d/widgetsnbextension.json [D 17:16:00.357 NotebookApp] Paths used for configuration of tree: I tried to do unistall/install no joy, Part A ( no debug and i just copy the url afterwards in the browser) import jupyter_client password from . [D 17:16:48.729 NotebookApp] Requesting kernel info from f4d9a8b3-ef52-4c5b-b675-82ec5c8d3669 But now, when I try to run anything in a notebook, the julia kernel never connects. Glad to hear that @Dipon12. --no-script Hi Everyone! Just for further documentation, i found this is a common issue many people are reporting recently. import zmq This can be a common problem, e.g. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_launcher.py", line 15, in Do you have any other suggestions? How dry does a rock/metal vocal have to be during recording? [D 19:46:30.454 NotebookApp] Looking for jupyter_config in /etc/jupyter File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend_init_.py", line 40, in from .connect import * [W 19:48:35.494 NotebookApp] 404 GET /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels?session_id=1a5b662a117e47d981bb76f1f6fefc12 (::1): Kernel does not exist: b8710be7-c12c-44a5-a501-84bede249224 Traceback (most recent call last): For anyone that still has this issue, one of the main causes of this is you are running out of storage. ImportError: DLL load failed: The specified module could not be found. [D 21:03:42.405 NotebookApp] Looking for jupyter_config in /root/anaconda3/envs/test/etc/jupyter stop Thank you. return run_code(code, main_globals, None, [I 14:12:36.645 NotebookApp] Serving notebooks from local directory: C:\Users\NANI File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 87, in run_code [D 21:03:42.405 NotebookApp] Looking for jupyter_config in /root File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_init.py", line 2, in [I 2022-10-14 13:28:24.202 ServerApp] nbclassic | extension was successfully linked. [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 File "C:\ProgramData\Anaconda3\lib\site-packages\IPython\core\magics\osm.py", line 52, in init [W 13:28:52.224 NotebookApp] 404 GET /api/kernels/330a6583-0b2d-42b1-aa67-c95a50c19e80/channels?session_id=823f17268f1240248298d6b4d835495f (::1): Kernel does not exist: 330a6583-0b2d-42b1-aa67-c95a50c19e80 import (constants, error, message, context, mod = import(name, fromlist=public_api) File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\cython_init.py", line 6, in from . To subscribe to this RSS feed, copy and paste this URL into your RSS reader. from ipykernel import kernelapp as app from .connect import * 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) Did you mean one of: extra_template_paths, template_name, template_paths? [W 19:48:30.158 NotebookApp] 404 GET /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels?session_id=1a5b662a117e47d981bb76f1f6fefc12 (::1): Kernel does not exist: b8710be7-c12c-44a5-a501-84bede249224 [I 19:46:31.318 NotebookApp] Jupyter Notebook 6.4.8 is running at: File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\cython_init.py", line 6, in File "C:\ProgramData\Anaconda3\lib\runpy.py", line 85, in _run_code File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client_init.py", line 4, in [I 17:14:33.861 NotebookApp] The Jupyter Notebook is running at: File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\json\decoder.py", line 355, in raw_decode [W 13:27:44.623 NotebookApp] Config option template_path not recognized by LenvsSlidesExporter. [I 17:15:16.492 NotebookApp] JupyterLab application directory is /Users/sidodalpozzolo/opt/anaconda3/share/jupyter/lab Stuck On "connecting To Kernel" : R/vscode - Reddit. Why am I getting an error while running jupyter notebook? not nested and not items)) File "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\config\application.py", line 663, in launch_instance [I 17:15:25.633 NotebookApp] KernelRestarter: restarting kernel (1/5), new random ports This caused errors similar to the others in the thread above. from ipykernel import kernelapp as app from zmq import backend [D 21:03:42.405 NotebookApp] Looking for jupyter_config in /root/.jupyter [D 17:16:47.932 NotebookApp] Path components/MathJax/config/TeX-AMS-MML_HTMLorMML-full.js served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/components/MathJax/config/TeX-AMS-MML_HTMLorMML-full.js ns = select_backend(first) app.launch_new_instance() See screenshot below Attaching my requirements.txt file, also i'm on Python version 3.6.8. [D 21:03:47.112 NotebookApp] 200 GET /custom/custom.js?v=20191105210342 (172.16.48.232) 1.95ms self.execre = re.compile(r'(.). File "C:\Anaconda\Lib\site-packages\jupyter_client\connect.py", line 21, in reference: https://www.cnblogs.com/lcword/p/15544380.html, I am having the same issue - tried uninstalling, reinstalling and changing tornado versions. Did you mean one of: extra_template_paths, template_name, template_paths? [D 17:17:48.735 NotebookApp] Connecting to: tcp://:44862 File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\cython_init.py", line 6, in Kudos. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\select.py", line 28, in select_backend from .connect import * I did this just now and it resolved. [D 17:15:59.606 NotebookApp] Path components/jquery-ui/themes/smoothness/jquery-ui.min.css served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/components/jquery-ui/themes/smoothness/jquery-ui.min.css [D 21:03:46.731 NotebookApp] Path components/MathJax/MathJax.js served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/components/MathJax/MathJax.js from .connect import * Traceback (most recent call last): [I 13:11:57.393 NotebookApp] Jupyter Notebook 6.3.0 is running at: inst = cls(*args, **kwargs) Traceback (most recent call last): from ipykernel import kernelapp as app [W 05:38:27.976 NotebookApp] 404 GET /api/kernels/83d946a1-b7d0-468e-a149-394af4731e84/channels?session_id=69af83319d804281a497dffab4efa7d8 (::1): Kernel does not exist: 83d946a1-b7d0-468e-a149-394af4731e84 A connection to the notebook server could not be established. File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\runpy.py", line 86, in run_code Check your network connection or notebook server configuration. How could magic slowly be destroying the world? To learn more, see our tips on writing great answers. return run_code(code, main_globals, None, [W 13:28:50.498 NotebookApp] Timeout waiting for kernel_info reply from 330a6583-0b2d-42b1-aa67-c95a50c19e80 Traceback (most recent call last): Is this a bug on tornado 6.0? Choices: ['tcp', 'ipc'] [D 19:47:19.386 NotebookApp] Path custom.js served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/custom/custom.js

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