File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\contextlib.py", line 117, in enter How do I use the Schwartzschild metric to calculate space curvature and time curvature seperately? But Kernel has been created. rev2023.1.17.43168. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend_init_.py", line 27, in [I 13:43:38.825 NotebookApp] KernelRestarter: restarting kernel (1/5), new random ports 528), Microsoft Azure joins Collectives on Stack Overflow. dyld: Library not loaded: @rpath/libreadline.6.2.dylib [D 17:15:59.656 NotebookApp] 304 GET /custom/custom.css (172.16.48.232) 4.05ms reraise(*exc_info) [I 20:16:39.876 NotebookApp] Serving notebooks from local directory: /Users/lgouda File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 87, in run_code I'm having problems configuring the correct version Python in VS Code / Jupyter. [D 17:16:48.866 NotebookApp] 304 GET /nbextensions/nb_conda/conda.css (172.16.48.232) 1.15ms [D 17:16:00.358 NotebookApp] Paths used for configuration of tree: After the upgrade to the latest VSC version on Linux Ubuntu 20.04 I cannot run any jupyter notebook. Thanks for contributing an answer to Stack Overflow! File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel_launcher.py", line 16, in File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 27, in Did you mean one of: extra_template_paths, template_name, template_paths? File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\cython_init.py", line 6, in If not specified, the default browser will be determined by the File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel\connect.py", line 18, in File "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\config\application.py", line 663, in launch_instance File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\cython_init.py", line 6, in File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\runpy.py", line 86, in run_code import (constants, error, message, context, Don't open the notebook in a browser after startup. from .connect import * File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq_init.py", line 50, in from ipykernel import kernelapp as app [D 17:16:48.869 NotebookApp] Path nb_conda/menu.html served from /root/anaconda3/envs/my-rdkit-env/share/jupyter/nbextensions/nb_conda/menu.html from zmq import backend [I 13:16:44.443 NotebookApp] Kernel started: b165f980-2053-418e-ae80-4c5d9403e306, name: ajitenv [W 13:16:50.929 NotebookApp] Config option template_path not recognized by ExporterCollapsibleHeadings. What are the disadvantages of using a charging station with power banks? exec(code, run_globals) [W 13:43:50.899 NotebookApp] Kernel b237ab44-09e7-4f68-b13c-1607b1dd03ca died, removing from map. [D 21:03:46.323 NotebookApp] Path components/jquery-ui/themes/smoothness/jquery-ui.min.css served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/components/jquery-ui/themes/smoothness/jquery-ui.min.css 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'. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise File "C:\Anaconda\Lib\site-packages\jupyter_client_init.py", line 4, in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client_init.py", line 4, in i used pip install tornado==5.1.1 and wala! File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 924, in parse from ipykernel import kernelapp as app File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\cython_init.py", line 6, in [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 Your system might expose different port ranges in case you encounter issues with these values - so you might need to use port numbers closer to those in files in this directory. mod = import(name, fromlist=public_api) If the above does not work for you then this is highly recommended. File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel_launcher.py", line 16, in On launch or while working on a project, there is a high chance you will come across a Kernel Error. [D 17:16:48.145 NotebookApp] Paths used for configuration of common: I run the Jupiter notebook on anaconda but the only thing that happen is appearing [*] near the code lines and I can. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\runpy.py", line 85, in run_code File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in import zmq exec(code, run_globals) File "/Users/vishnuc/anaconda3/lib/python3.7/site-packages/notebook/services/kernels/handlers.py", line 274, in open import (constants, error, message, context, ImportError: DLL load failed: The specified module could not be found. [I 2022-10-14 13:28:23.749 ServerApp] jupyterlab | extension was successfully linked. File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\runpy.py", line 87, in run_code [D 19:47:19.308 NotebookApp] 200 GET /api/config/common?=1653187639285 (::1) 1.550000ms [D 17:17:20.002 NotebookApp] 200 GET /api/terminals?=1572916567945 (172.16.48.232) 1.29ms File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\select.py", line 28, in select_backend I just noticed this as the kernel would initiate automatically before. exec(code, run_globals) self.load_connection_file() In my case just open give two minutes.Then open jupyter notebook using anaconda navigator. [W 13:16:26.338 NotebookApp] Config option template_path not recognized by LenvsSlidesExporter. p = _parse_sub(source, state, sub_verbose, nested + 1) 1197298 30.6 KB. ImportError: DLL load failed: The specified module could not be found. self.init_kernel() [W 2022-10-14 13:28:49.915 ServerApp] AsyncIOLoopKernelRestarter: restart failed from .connect import * File "C:\ProgramData\Anaconda3\lib\sre_compile.py", line 764, in compile import (constants, error, message, context, from zmq import backend Not the answer you're looking for? [I 14:48:41.774 NotebookApp] KernelRestarter: restarting kernel (1/5), new random ports /etc/jupyter/nbconfig/notebook.json How to make chocolate safe for Keidran? app.initialize(argv) File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in [D 17:16:48.729 NotebookApp] Connecting to: tcp://:37767 [D 19:46:30.455 NotebookApp] Looking for jupyter_config in /Users/lgouda/.jupyter Did you mean one of: extra_template_paths, template_name, template_paths? File "C:\ProgramData\Anaconda3\lib\site-packages\IPython\core\interactiveshell.py", line 2250, in init_magics [D 17:16:00.370 NotebookApp] Found kernel python3 in /root/anaconda3/envs/my-rdkit-env/share/jupyter/kernels File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in [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 File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py", line 15, in [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 The notebook will continue trying to reconnect. File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\ipykernel\connect.py", line 13, in Traceback (most recent call last): File "C:\Anaconda\Lib\site-packages\zmq\backend\select.py", line 28, in select_backend /Users/lgouda/.jupyter/nbconfig/notebook.json [W 08:53:59.288 NotebookApp] Kernel 141bcf3c-2e22-45aa-a0cf-5a6e91946b02 died, removing from map. [D 17:14:33.066 NotebookApp] Looking for jupyter_config in /etc/jupyter Using Virtual Environments in Jupyter as Kernels. File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\zmqshell.py", line 593, in init_magics File "C:\Users\jamil\anaconda3\envs\gpu2\lib\runpy.py", line 85, in run_code [D 21:03:47.112 NotebookApp] 200 GET /custom/custom.js?v=20191105210342 (172.16.48.232) 1.95ms import zmq [D 19:47:26.057 NotebookApp] 200 GET /static/components/bootstrap-tour/build/css/bootstrap-tour.min.css?v=95c93e52db61ab29625defe55361384ce6776a7d303b97da5a73fef5ddf8e391a6223599a0b58669476bd71645a4f0022df0517c88b0c05df80ba465e36f5417 (::1) 0.760000ms RuntimeWarning: Enable tracemalloc to get the object allocation traceback [D 21:03:47.380 NotebookApp] Starting kernel: ['/root/anaconda3/envs/test/bin/python', '-m', 'ipykernel_launcher', '-f', '/run/user/0/jupyter/kernel-425ab218-76c9-4bb0-b6e2-fb3b90565c03.json'] (base) C:\Users\PC02>jupyter-notebook Its that attempted use of the kernel that should produce more information on the terminal window in which you started the server. Traceback (most recent call last): import zmq File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\ipykernel\kernelapp.py", line 577, in initialize [D 21:03:47.030 NotebookApp] Paths used for configuration of notebook: [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 Any notebooks I attempted to open in the same directory as where this file was had trouble connecting to the kernel. /usr/local/etc/jupyter/jupyter_notebook_config.json delete all the python files in the same directory where notebook is installed or move them to some other folder. [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 exec(code, run_globals) import zmq from pandas.testing import ( The only solution I found was by resetting the system(I took a backup of most wanted apps) and install the application. Please update us on the results. import _socket How to navigate this scenerio regarding author order for a publication? [I 14:12:36.645 NotebookApp] Serving notebooks from local directory: C:\Users\NANI As I try to execute a cell in a notebook, VS Code tries to connect 5 times to the Kernel and then fails. The debug flag uses two dashes and no space between the second dash and the string 'debug'. This is because the cuda driver version does not meet the cuda running version. 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\site-packages\zmq\backend\select.py", line 28, in select_backend [E 13:28:50.502 NotebookApp] Error opening stream: HTTP 404: Not Found (Kernel does not exist: 330a6583-0b2d-42b1-aa67-c95a50c19e80) This issue is nearly identical to the one resolved immediately above this posting. Also refer to this article which explain how to run your Jupyter notebooks directly in your workspace in Azure Machine Learning studio. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\select.py", line 28, in select_backend [W 14:48:24.922 NotebookApp] Terminals not available (error was No module named 'winpty.cywinpty') "main", mod_spec) The url of the Kernel or Enterprise Gateway server where kernel 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\jupyter_client\connect.py", line 21, in 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. [D 19:47:26.232 NotebookApp] 200 GET /nbextensions/jupyter-js-widgets/extension.js?v=20220521194630 (::1) 4.450000ms [D 21:03:42.414 NotebookApp] Paths used for configuration of jupyter_notebook_config: --browser= (NotebookApp.browser) File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\json\decoder.py", line 337, in decode Did you mean one of: extra_template_paths, template_name, template_paths? [W 15:39:51.179 NotebookApp] KernelRestarter: restart failed Googling that string, I don't find a whole lot, but the most promising is this, indicating it may be due to a firewall. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 27, in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_init.py", line 2, in Solving environment: failed. File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\ipkernel.py", line 68, in init File "C:\Users\user\AppData\Local\Programs\Python\Python39\lib\runpy.py", line 197, in run_module_as_main Installing and uninstalling jupyter got me to the same issue as @fedeturi. What is the origin and basis of stare decisis? File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client\connect.py", line 21, in [I 14:12:36.653 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). from . raise source.error("incomplete escape %s" % escape, len(escape)) pip install ipywidgets used this to install, and then this jupyter nbextension enable --py widgetsnbextension, in the jupyter notebook itself.since my new kernels don't work. python -m ipykernel install --user, this also didn't work. File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\ipykernel_launcher.py", line 16, in Try reinstalling it to version 5.1.1. [I 2022-10-14 13:28:34.832 ServerApp] Kernel started: 0c7e8334-2d31-41b8-97d0-2d8efa8d9630 [D 17:14:33.073 NotebookApp] [nb_conda_kernels] refreshing conda info [W 05:38:30.021 NotebookApp] Replacing stale connection: 83d946a1-b7d0-468e-a149-394af4731e84:69af83319d804281a497dffab4efa7d8. mod = import(name, fromlist=public_api) File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 194, in run_module_as_main File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 501, in _parse --no-script "main", mod_spec) File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\jupyter_core\paths.py", line 461, in secure_write File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 40, in [D 17:16:00.291 NotebookApp] 200 GET /static/services/contents.js?v=20191105171433 (172.16.48.232) 1.77ms File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 810, in _parse File "C:\ProgramData\Anaconda3\lib\site-packages\IPython\core\interactiveshell.py", line 2250, in init_magics Should there be nothing obvious from examining the value of PATHEXT, I suggest opening an issue in the IPython repo duplicating the contents of your comment above. [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\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq_init_.py", line 50, in [D 17:16:00.357 NotebookApp] Paths used for configuration of tree: import jupyter_client However, looking at the applicable code it appears to be trying to decipher the value of your PATHEXT environment variable and I suggest following the instructions starting with this comment. [D 19:48:26.314 NotebookApp] Getting buffer for b8710be7-c12c-44a5-a501-84bede249224 from zmq import backend import (constants, error, message, context, from zmq import backend [W 07:53:43.884 NotebookApp] Replacing stale connection: 141bcf3c-2e22-45aa-a0cf-5a6e91946b02:8e34707500254cf68e9a67a6a7157d43 [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 [I 14:12:36.653 NotebookApp] or http://127.0.0.1:8889/?token=19e4cb4a419a4dc8a79f175ad4c6f2d2ba43a722664afc6c File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 810, in _parse Traceback (most recent call last): [W 15:39:18.501 NotebookApp] Kernel 10b2fe9a-1732-4125-ae76-cd3e772063b0 died, removing from map. Data science involves the use of technical programming tools. code = _escape(source, this, state) [I 18:47:12.859 NotebookApp] Saving file at /Untitled19.ipynb. I simply just restarted the Anaconda program and opened a new Python 3 notebook, and Jupyter could connect. from . Thanks! import jupyter_client jupyter notebook connection failed connecting to kernel ? File "C:\ProgramData\Anaconda3\lib\re.py", line 286, in _compile File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_init.py", line 2, in win32_restrict_file_to_user(fname) return run_code(code, main_globals, None, File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq_init.py", line 50, in exec(code, run_globals) [D 19:47:26.086 NotebookApp] 200 GET /static/components/MathJax/config/Safe.js?V=2.7.9 (::1) 1.120000ms /usr/local/etc/jupyter/nbconfig/notebook.json Now that we are familiar with Jupyter Notebook and what the error is all about, lets dive into the solution. reraise(*exc_info) import jupyter_client from zmq import backend Poisson regression with constraint on the coefficients of two variables be the same. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 40, in [D 19:47:26.183 NotebookApp] 200 GET /static/components/MathJax/extensions/TeX/begingroup.js?V=2.7.9 (::1) 1.270000ms exec(code, run_globals) [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 DISABLED: use %pylab or %matplotlib in the notebook to enable matplotlib. my_env C:\Users\stephen.bonacci\AppData\Roaming\jupyter\kernels\my_env [D 19:47:19.305 NotebookApp] Paths used for configuration of tree: [D 17:16:48.726 NotebookApp] Initializing websocket connection /api/kernels/f4d9a8b3-ef52-4c5b-b675-82ec5c8d3669/channels How did adding new pages to a US passport use to work? import jupyter_client Did you mean one of: extra_template_paths, template_name, template_paths? Someone said run "Python: Select interpreter to start Jupyter server", someone also said run"Notebook . Fixed the notebook. import (constants, error, message, context, File "C:\Anaconda\Lib\site-packages\ipykernel_init.py", line 2, in from ipykernel import kernelapp as app Did you mean one of: extra_template_paths, template_name, template_paths? exec(code, run_globals) from .connect import * I have a compute instance running (it's green), but it also says "No Kernel connected". import jupyter_client open_result = handler.open(*handler.open_args, **handler.open_kwargs) [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 File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 369, in _escape specifications are defined and kernel management takes place. code = _escape(source, this, state) [D 19:48:28.064 NotebookApp] Using contents: services/contents [W 13:27:42.208 NotebookApp] Config option template_path not recognized by ExporterCollapsibleHeadings. File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\ipykernel\kernelapp.py", line 257, in init_connection_file "main", mod_spec) and then re-installing jupyter and jupyter_contrib_nbextensions with conda. [W 21:03:42.408 NotebookApp] Collisions detected in /root/.jupyter/jupyter_notebook_config.py and /root/.jupyter/jupyter_notebook_config.json config files. File "C:\Anaconda\Lib\site-packages\jupyter_client\connect.py", line 21, in 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. This is consistent with the kernel not completely starting. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend_init_.py", line 27, in I have found this same issue, and identified it only happens with Chrome standard browser. [D 17:16:00.362 NotebookApp] Paths used for configuration of common: ( path : jupyter -> kernel -> change kernel -> my_env ). Hello, please can someone help me put here. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq_init_.py", line 50, in return run_code(code, main_globals, None, [W 13:16:52.079 NotebookApp] Config option template_path not recognized by LenvsTocHTMLExporter. If it can help @kevin-bates - I ran into similar issues as above, and eventually got to @fedeturi's error. p = sre_compile.compile(pattern, flags) (Basically Dog-people). import jupyter_client The IP address the notebook server will listen on. from .connect import * File "/Users/lgouda/opt/anaconda3/lib/python3.9/threading.py", line 973, in bootstrap_inner File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client\connect.py", line 21, in raise value So, when I opened the Jupyter notebook, it connected with the DL kernel as before. [W 13:16:57.685 NotebookApp] Config option template_path not recognized by LenvsSlidesExporter. There is something ipykernel which I have installed by using pip install ipykernel but again nothing happens. return run_code(code, main_globals, None, [W 13:27:39.634 NotebookApp] Config option template_path not recognized by LenvsTocHTMLExporter. from .connect import * File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\select.py", line 28, in select_backend rc = osapipe.close() [I 17:15:25.633 NotebookApp] KernelRestarter: restarting kernel (1/5), new random ports /Users/lgouda/.jupyter/nbconfig/tree.json Could you please provide the output of pip freeze from within the Python environment that is producing this exception? [I 13:18:29.272 NotebookApp] Saving file at /Untitled.ipynb [D 17:16:48.870 NotebookApp] 304 GET /nbextensions/nb_conda/menu.html (172.16.48.232) 1.45ms [D 19:49:02.567 NotebookApp] Initializing websocket connection /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels I run the Jupiter notebook on anaconda but the only thing that happen is appearing [*] near the code lines and I can see the error "Kernel busy" or "no connection to kernel". File "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\config\configurable.py", line 412, in instance File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client\connect.py", line 21, in [D 19:47:19.249 NotebookApp] 304 GET /custom/custom.css (::1) 2.240000ms [D 17:16:47.687 NotebookApp] 200 GET /notebooks/test_dir/rdkit.ipynb (172.16.48.232) 319.09ms app.initialize(argv) File "C:\Users\user\AppData\Local\Programs\Python\Python39\lib\runpy.py", line 87, in run_code Tried every solution, still no connection. 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 File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client\connect.py", line 21, in [W 01:43:14.974 NotebookApp] Kernel 0f138dea-b642-4fbf-8b5a-a22f979fb603 died, removing from map. "main", mod_spec) 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. Your C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\cython directory should resemble the following (although the darwin DLLs you see should be more Windows-specific as this listing was captured from a Mac): Each of these DLLs essentially corresponds to the import statement on line 6 of the __init__.py file. from . By default when running pip install ipykernel tornado 6.1 is installed. File "C:\ProgramData\Anaconda3\lib\site-packages\IPython\core\magic.py", line 405, in register meth = getattr(km, 'connect' + channel) /usr/local/etc/jupyter/nbconfig/common.json Just make *.py files and *.IPYNB files in a separated folders. [D 17:16:48.326 NotebookApp] Path components/MathJax/extensions/Safe.js served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/components/MathJax/extensions/Safe.js File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 27, in "main", mod_spec) m = m(shell=self.shell) File "/Users/lgouda/opt/anaconda3/lib/python3.9/webbrowser.py", line 684, in open Input the command and change the directory of your notebook. I have found this same issue, and identified it only happens with Chrome standard browser. [D 21:03:47.111 NotebookApp] Path custom.js served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/custom/custom.js [I 17:15:16.494 NotebookApp] http://localhost:8889/?token=b6d801352daf95e483d98ff5ec2bfd77f3a071b2fdd12352 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. Find centralized, trusted content and collaborate around the technologies you use most. File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\ipykernel_init.py", line 2, in Have reinstalled Anaconda, jupyter notebook repeatedly. reraise(*exc_info) File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\jupyter_core\paths.py", line 387, in win32_restrict_file_to_user [W 13:27:42.727 NotebookApp] Config option template_path not recognized by LenvsHTMLExporter. Any fixes here? File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend_init_.py", line 40, in I have a compute instance running (it's green), but it also says "No Kernel connected". [D 21:03:46.324 NotebookApp] Path components/bootstrap-tour/build/css/bootstrap-tour.min.css served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/components/bootstrap-tour/build/css/bootstrap-tour.min.css [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 File "C:\Anaconda\Lib\site-packages\jupyter_client_init.py", line 4, in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend_init_.py", line 27, in Your IRKernel environment is not setup correctly. File "C:\Anaconda\Lib\site-packages\ipykernel_init.py", line 2, in [D 19:48:28.058 NotebookApp] Initializing websocket connection /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client_init.py", line 4, in mod = import(name, fromlist=public_api) Thank you so much Kevin!! [I 2022-10-14 13:28:40.838 ServerApp] AsyncIOLoopKernelRestarter: restarting kernel (2/5), new random ports ns = select_backend(first) inst = cls(*args, **kwargs) inst = cls(*args, **kwargs) At first, it seemed kernel was connecting with a new notebook but after some time kernel was connecting in a new notebook. This is my Notebook Console output:-. 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. what's the difference between "the killing machine" and "the machine that's killing". Did you mean one of: extra_template_paths, template_name, template_paths? /root/.jupyter/jupyter_notebook_config.json [D 19:47:19.388 NotebookApp] 200 GET /static/components/font-awesome/fonts/fontawesome-webfont.woff2?v=4.7.0 (::1) 1.290000ms self.execre = re.compile(r'(.). mod = import(name, fromlist=public_api) I'm not certain that's the correct command-line invocation (what is 62337?). Steps: Start the Instance EC2 on Amazon's EC2 Dashboard. --ip= (NotebookApp.ip) We did a demo and everything worked last week. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\runpy.py", line 85, in run_code That might help a few people solve this problem. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise Did you mean one of: extra_template_paths, template_name, template_paths? [D 21:03:46.733 NotebookApp] 304 GET /static/components/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML-full,Safe&delayStartupUntil=configured (172.16.48.232) 3.71ms m = m(shell=self.shell) [I 14:13:01.966 NotebookApp] KernelRestarter: restarting kernel (1/5), new random ports How to display all output in Jupyter Notebook within Visual Studio Code? import (constants, error, message, context, inst = cls(args, **kwargs) [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 Really appreciate your patience Kevin. Could you please provide the output you see on the Notebook server's console? Original issue. [D 21:03:47.040 NotebookApp] Paths used for configuration of common: mod = import(name, fromlist=public_api) [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 You can also follow this issue as well: #5577 (comment) - which links to others. exec(code, run_globals) Anaconda: 4.7.12 @Carl Neely Welcome to Microsoft Q&A, Thanks for posting your query here! [D 21:04:47.701 NotebookApp] 101 GET /api/kernels/425ab218-76c9-4bb0-b6e2-fb3b90565c03/channels?session_id=3711cc0e8ba1407f8b472c791bc4d775 (172.16.48.232) 60007.49ms [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 File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\kernelapp.py", line 562, in initialize I suspect this has something to do with nb_conda_kernels - of which I'm not familiar as I've never used them - but have heard disparaging stories about. from .connect import * Thanks a lot! [D 19:48:26.313 NotebookApp] Opening websocket /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels It should contain some traceback information or the like relative to this issue. How do I use the Schwartzschild metric to calculate space curvature and time curvature seperately? ipykernel-5.3.0 This config will be passed to ServerApp. reraise(*exc_info) Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor, Indefinite article before noun starting with "the". from ipykernel import kernelapp as app [D 19:46:30.455 NotebookApp] Looking for jupyter_config in /Users/lgouda/.local/etc/jupyter [D 21:03:47.031 NotebookApp] Paths used for configuration of notebook: the original issue was caused by using pip in a conda environment to install some unrelated package (google.colab), which then messed up the jupyter installation (with some different versions of six, tornado, ipython, notebook, ipykernel). [D 19:46:30.454 NotebookApp] Looking for jupyter_config in /usr/local/etc/jupyter By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. (base) C:\Users\stephen.bonacci>jupyter kernelspec list [W 13:16:21.674 NotebookApp] Config option template_path not recognized by LenvsHTMLExporter. File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\pandas\testing.py", line 5, in ns = select_backend(first) [D 17:16:48.166 NotebookApp] Path components/MathJax/extensions/MathML/content-mathml.js served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/components/MathJax/extensions/MathML/content-mathml.js arita37 mentioned this issue on Aug 1, 2020. jupyter connection to kernel hanging forever #5601. [I 17:15:31.650 NotebookApp] KernelRestarter: restarting kernel (3/5), new random ports [D 19:46:30.456 NotebookApp] Raising open file limit: soft 2560->4096; hard 9223372036854775807->9223372036854775807 [W 18:46:25.369 NotebookApp] Replacing stale connection: 769e9e62-8674-4b61-b21d-8b66574f023f:04c75536d4594d4583014567d3332bae [I 2022-05-21 20:16:39.872 LabApp] JupyterLab extension loaded from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/jupyterlab
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