[D 19:47:19.248 NotebookApp] 200 GET /static/components/es6-promise/promise.min.js?v=bea335d74136a63ae1b5130f5ac9a50c6256a5f435e6e09fef599491a84d834a8b0f011ca3eaaca3b4ab6a2da2d3e1191567a2f171e60da1d10e5b9d52f84184 (::1) 1.580000ms It may show some clues as to what might be happening. [D 17:16:00.777 NotebookApp] 200 GET /api/sessions?=1572916567937 (172.16.48.232) 6.02ms Not the answer you're looking for? [D 19:47:26.230 NotebookApp] Path jupyter-js-widgets/extension.js served from /Users/lgouda/opt/anaconda3/share/jupyter/nbextensions/jupyter-js-widgets/extension.js If --debug doesn't help, you might want to try invoking the command specified in the argv stanza of the kernel specification (kernel.json) file. [W 01:43:14.974 NotebookApp] KernelRestarter: restart failed p = sre_parse.parse(p, flags) [I 15:39:03.469 NotebookApp] Kernel started: 10b2fe9a-1732-4125-ae76-cd3e772063b0, name: gpu2 [D 21:04:47.702 NotebookApp] Getting buffer for 425ab218-76c9-4bb0-b6e2-fb3b90565c03 from . [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 File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq_init.py", line 50, in File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_init.py", line 2, in File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 420, in _parse_sub File "C:\Anaconda\Lib\site-packages\zmq\backend\cython_init.py", line 6, in [W 17:16:02.816 NotebookApp] Replacing stale connection: 995cd9d9-9a77-41d8-8601-bceac539bc06:4d4313321c464fd7a15a4a9ea8ef0cef [IPKernelApp] ERROR | Failed to load connection file: 'C:\Users\jsdha\AppData\Roaming\jupyter\runtime\kernel-83d946a1-b7d0-468e-a149-394af4731e84.json' [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 [C 08:53:30.886 NotebookApp], [I 08:53:41.377 NotebookApp] Creating new notebook in self._target(*self._args, **self._kwargs) File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend_init_.py", line 40, in Once the these three points are addressed I think we should be able to move forward on troubleshooting your original issue. inst = cls(args, **kwargs) File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise ns = select_backend(first) return run_code(code, main_globals, None, [D 17:16:00.816 NotebookApp] 200 GET /api/contents?type=directory&=1572916567939 (172.16.48.232) 6.96ms import jupyter_client [I 17:16:48.619 NotebookApp] Kernel started: f4d9a8b3-ef52-4c5b-b675-82ec5c8d3669 Package Version. --script /root/.jupyter/nbconfig/common.json [W 15:40:36.163 NotebookApp] Timeout waiting for kernel_info reply from ea5eb9b2-7cc6-455b-8068-db5ce61ad768 File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client\connect.py", line 21, in import zmq from zmq import backend File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\select.py", line 28, in select_backend File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend_init_.py", line 40, in [D 17:14:33.066 NotebookApp] Looking for jupyter_config in /usr/local/etc/jupyter /usr/local/etc/jupyter/jupyter_notebook_config.json [D 17:16:48.327 NotebookApp] 304 GET /static/components/MathJax/extensions/Safe.js?V=2.7.6 (172.16.48.232) 1.45ms File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 27, in delete all the python files in the same directory where notebook is installed or move them to some other folder. from . not nested and not items)) Check your network connection or Jupyter server configuration. Referenced from: /Users/sidodalpozzolo/opt/anaconda3/lib/R/lib/libR.dylib reraise(*exc_info) File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\ipykernel\kernelapp.py", line 257, in init_connection_file Did you mean one of: extra_template_paths, template_name, template_paths? [I 21:03:47.396 NotebookApp] Kernel started: 425ab218-76c9-4bb0-b6e2-fb3b90565c03 import pandas as pd reraise(*exc_info) Did you mean one of: extra_template_paths, template_name, template_paths? exec(code, run_globals) open_result = handler.open(*handler.open_args, **handler.open_kwargs) File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client\connect.py", line 21, in return default_decoder.decode(s) inst = cls(args, **kwargs) By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 87, in run_code [W 2022-10-14 13:29:36.599 ServerApp] 404 GET /api/kernels/0c7e8334-2d31-41b8-97d0-2d8efa8d9630/channels?session_id=582bf011-19b5-4001-abb6-fba6ecc7460b (127.0.0.1): Kernel does not exist: 0c7e8334-2d31-41b8-97d0-2d8efa8d9630. If that's a port number, you really need to write the entire JSON block I had provided to a file (brackets included), say, connection.json, then reference that file in the command with -f connection.json. /panel-preview/ /panel-preview [D 19:46:30.463 NotebookApp] Paths used for configuration of jupyter_notebook_config: Did you mean one of: extra_template_paths, template_name, template_paths? This issue is nearly identical to the one resolved immediately above this posting. If you delete or upgrade your python version, you might get a Kernel Error when trying to use Jupyter Notebooks! [I 14:12:36.081 NotebookApp] JupyterLab extension loaded from C:\ProgramData\Anaconda3\lib\site-packages\jupyterlab [D 19:47:26.230 NotebookApp] 200 GET /nbextensions/jupyterlab-plotly/extension.js?v=20220521194630 (::1) 2.910000ms app.initialize(argv) dyld: Library not loaded: @rpath/libreadline.6.2.dylib 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. import zmq import zmq [D 19:47:38.420 NotebookApp] Connecting to: tcp://127.0.0.1:58644 An alternative iPython/Jupyter notebook "kernel" called JWLS should work out of the box. Have a question about this project? [W 01:44:00.165 NotebookApp] 404 GET /api/kernels/0f138dea-b642-4fbf-8b5a-a22f979fb603/channels?session_id=756a070714d04866bc9f5c7f600db245 (::1) 16983.47ms referer=None (my-rdkit-env) [root@localhost ~]# jupyter notebook --allow-root --debug There is a likelihood that you've updated Tornado to 6.0.0 recently. The strange part is, iPython on terminal works FINE. Making statements based on opinion; back them up with references or personal experience. [D 19:48:44.229 NotebookApp] Initializing websocket connection /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels return run_code(code, main_globals, None, File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\utils\sixcerpt.py", line 34, in reraise Based on the error message there is a similar thread discussion in the Q&A Forum, please refer to the suggestion. File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\IPython_init.py", line 55, in It helped. File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\zmqshell.py", line 593, in init_magics from .connect import * [D 19:48:30.154 NotebookApp] Initializing websocket connection /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in [W 19:48:44.232 NotebookApp] 404 GET /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels?session_id=1a5b662a117e47d981bb76f1f6fefc12 (::1): Kernel does not exist: b8710be7-c12c-44a5-a501-84bede249224 [D 21:03:47.112 NotebookApp] 200 GET /custom/custom.js?v=20191105210342 (172.16.48.232) 1.95ms [D 21:03:47.174 NotebookApp] Path components/MathJax/extensions/MathML/content-mathml.js served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/components/MathJax/extensions/MathML/content-mathml.js I simply just restarted the Anaconda program and opened a new Python 3 notebook, and Jupyter could connect. from . from debugpy.common import log, messaging [W 13:16:52.154 NotebookApp] Config option template_path not recognized by LenvsTocHTMLExporter. previously, in order to install tensorflow 2.0.0, the cuda running version was upgraded to cuda 10.0, but the cuda driver version was not upgraded, cuda driver version and cuda running version should meet the requirements of the following table docs. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\cython_init.py", line 6, in inst = cls(*args, **kwargs) [D 17:16:00.777 NotebookApp] Path custom.js served from /root/anaconda3/envs/my-rdkit-env/lib/python3.6/site-packages/notebook/static/custom/custom.js File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel_launcher.py", line 15, in raise value First of all, thank you for your time reading this and helping me out. At this point, you should connect to your existing kernel. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel\connect.py", line 18, in Some kinds of security software have caused problems for the notebook before. [D 19:47:19.308 NotebookApp] Paths used for configuration of common: So the asterisk on the command line stays forever. If you found the downgrade to work, was that after attempting the upgrade approach? [W 13:16:25.087 NotebookApp] Config option template_path not recognized by LenvsLatexExporter. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 40, in ImportError: DLL load failed: The specified module could not be found. Did you mean one of: extra_template_paths, template_name, template_paths? File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\select.py", line 28, in select_backend Launch Cygwin and execute the SSH command (that I got from the initial. from . /Users/lgouda/.jupyter/nbconfig/tree.json from . By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. [D 19:47:26.178 NotebookApp] Paths used for configuration of common: In my case just open give two minutes.Then open jupyter notebook using anaconda navigator. [W 19:49:02.573 NotebookApp] 404 GET /api/kernels/b8710be7-c12c-44a5-a501-84bede249224/channels?session_id=1a5b662a117e47d981bb76f1f6fefc12 (::1) 6.970000ms referer=None from .connect import * jupyter-client-6.1.3 I have Python 3.7.1 installed. (JUPYTER_GATEWAY_URL env var), To see all available configurables, use --help-all, [C 00:05:56.683 NotebookApp] Bad config encountered during initialization: [D 17:14:33.068 NotebookApp] Looking for jupyter_notebook_config in /root/.jupyter Traceback (most recent call last): I tried to do unistall/install no joy, Part A ( no debug and i just copy the url afterwards in the browser) raise value File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 40, in return run_code(code, main_globals, None, super(ZMQInteractiveShell, self).init_magics() Error Message: Kernel doesn't exist. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client_init.py", line 4, in [D 21:03:47.042 NotebookApp] 200 GET /api/config/common?=1572930234464 (172.16.48.232) 5.45ms [I 08:53:30.834 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). File "C:\Anaconda\Lib\site-packages\zmq\backend_init_.py", line 27, in import (constants, error, message, context, [W 18:46:50.393 NotebookApp] Replacing stale connection: 7096c5db-c9da-466a-8db9-a9faf91a6a07:9cd069ef84f34a349e950ea328934ea9 File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\zmqshell.py", line 593, in init_magics Hi @mikekwabs - please see this comment relative to the other issue you commented. Turns out this is a tornado issue. ImportError: WSAStartup failed: error code 10107. import jupyter_client [D 19:46:30.454 NotebookApp] Looking for jupyter_config in /usr/local/etc/jupyter Perhaps someone else has ideas? If not specified, the default browser will be determined by the [D 17:16:48.138 NotebookApp] Paths used for configuration of notebook: When using Jupyter notebooks, you can either use plain text or code. /etc/jupyter/nbconfig/common.json If you were to tickle your pyzmq installation, you should probably do so with conda. Screen shots help too. [I 13:43:20.815 NotebookApp] http://localhost:8888/?token=e680df78a5153f6708f7ad4756ce5a506a78a617b05fc71f /etc/jupyter/nbconfig/notebook.json internet security software is disabled, but I still have problem with it :( Reason: image not found 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 File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend\cython_init.py", line 6, in Please. [I 15:39:15.489 NotebookApp] KernelRestarter: restarting kernel (4/5), new random ports I still have the same problem, downgrading tornado didn't fix it. from ipykernel import kernelapp as app Thanking you in advance for your help in this matter. Once an old notebook is opened, then onwards, no notebooks are connecting to kernel). Do you have some kind of internet security software on your computer? [I 17:15:16.494 NotebookApp] Serving notebooks from local directory: /Users/sidodalpozzolo [D 19:47:19.231 NotebookApp] Path tree/js/main.min.js served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/tree/js/main.min.js File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_init.py", line 2, in from .connect import * ImportError: DLL load failed while importing error: The specified module could not be found. [D 19:47:19.307 NotebookApp] Paths used for configuration of common: [D 19:47:26.176 NotebookApp] 200 GET /api/config/notebook?=1653187646111 (::1) 2.970000ms arita37 mentioned this issue on Aug 1, 2020. jupyter connection to kernel hanging forever #5601. Traceback (most recent call last): [W 18:45:46.384 NotebookApp] 404 GET /api/kernels/7096c5db-c9da-466a-8db9-a9faf91a6a07/channels?session_id=9cd069ef84f34a349e950ea328934ea9 (::1) 8.59ms referer=None File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 87, in run_code [W 01:43:14.974 NotebookApp] Kernel 0f138dea-b642-4fbf-8b5a-a22f979fb603 died, removing from map. --no-browser [D 17:16:47.754 NotebookApp] 304 GET /custom/custom.css (172.16.48.232) 2.14ms exec(code, run_globals) @toanasahmed - we're actually going backwards here from a troubleshooting standpoint, so let's try to address the issues I see in your response and we'll go from there.. . File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py", line 15, in import win32api File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\ipkernel.py", line 68, in init File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq_init_.py", line 50, in Solving environment: failed. Where did i go wrong here and how can i fix this? [W 13:16:51.461 NotebookApp] Config option template_path not recognized by TocExporter. main() [I 14:12:36.653 NotebookApp] The Jupyter Notebook is running at: from . [I 13:43:20.815 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\select.py", line 28, in select_backend import pandas.testing File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_init.py", line 2, in [D 21:03:42.415 NotebookApp] Paths used for configuration of jupyter_notebook_config: File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 420, in _parse_sub [W 15:48:55.137 NotebookApp] Replacing stale connection: ea5eb9b2-7cc6-455b-8068-db5ce61ad768:a10207319f184c1bace6c946609970b2 File "c:\users\kimish.desktop-pt5p6t3\appdata\local\programs\python\python38-32\lib\site-packages\IPython\core\application.py", line 18, in Default: '' Did you mean one of: extra_template_paths, template_name, template_paths? This is where I will work on further libraries and other analytical projects. from zmq import backend exec(code, run_globals) Did you mean one of: extra_template_paths, template_name, template_paths? dyld: Library not loaded: @rpath/libreadline.6.2.dylib Sometimes shutting down the kernel, closing its tab in jupyter-lab and reopening it does the job. File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\kernelapp.py", line 562, in initialize exec(code, run_globals) Did you mean one of: extra_template_paths, template_name, template_paths? ns = select_backend(first) For somehow the graphical download didnot work for me ( sha was verified) . [D 17:14:33.066 NotebookApp] Looking for jupyter_config in /etc/jupyter [D 19:47:19.386 NotebookApp] 200 GET /api/terminals?=1653187639288 (::1) 1.710000ms [I 20:16:39.876 NotebookApp] or http://127.0.0.1:8888/?token=b4dd171dadef0af0216324a721615ee95aae643615536383 [D 21:03:46.323 NotebookApp] Path base/images/favicon-notebook.ico served from /root/anaconda3/envs/test/lib/python3.6/site-packages/notebook/static/base/images/favicon-notebook.ico [D 19:47:27.308 NotebookApp] 200 GET /static/base/images/favicon-busy-1.ico (::1) 7.560000ms [I 19:47:35.357 NotebookApp] KernelRestarter: restarting kernel (3/5), new random ports Wall shelves, hooks, other wall-mounted things, without drilling? [D 19:47:26.229 NotebookApp] 200 GET /static/components/MathJax/extensions/Safe.js?V=2.7.9 (::1) 2.390000ms from ipykernel import kernelapp as app File "C:\ProgramData\Anaconda3\lib\site-packages\ipykernel\kernelapp.py", line 447, in init_kernel return method(app, *args, **kwargs) [D 17:16:00.826 NotebookApp] 200 GET /nbextensions/nb_conda/urls.js?v=20191105171433 (172.16.48.232) 3.07ms [D 19:47:26.176 NotebookApp] Paths used for configuration of notebook: File "C:\Anaconda\Lib\site-packages\ipykernel\connect.py", line 18, in rev2023.1.17.43168. To learn more, see our tips on writing great answers. [I 15:39:39.108 NotebookApp] KernelRestarter: restarting kernel (1/5), new random ports File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\json\decoder.py", line 355, in raw_decode File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\ipykernel_launcher.py", line 15, in [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 [D 21:03:42.407 NotebookApp] Looking for jupyter_notebook_config in /root/anaconda3/envs/test/etc/jupyter File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\zmq\backend_init_.py", line 40, in self.load_connection_file() File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client_init.py", line 4, in [I 18:45:07.693 NotebookApp] http://localhost:8889/?token=be6849f2b18ec614cbc092dcdcb169a03f2d0d3998a4b8b1 [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\zmq\backend_init_.py", line 27, in File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\zmq\backend\select.py", line 28, in select_backend [I 13:17:04.115 NotebookApp] KernelRestarter: restarting kernel (3/5), keep random ports [D 17:17:48.734 NotebookApp] Connecting to: tcp://:34636 json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0) from .connect import * return run_code(code, main_globals, None, from . [W 21:04:47.700 NotebookApp] Timeout waiting for kernel_info reply from 425ab218-76c9-4bb0-b6e2-fb3b90565c03 [W 01:44:04.177 NotebookApp] Replacing stale connection: 0f138dea-b642-4fbf-8b5a-a22f979fb603:756a070714d04866bc9f5c7f600db245. I tracked my particular manifestation of this problem to the following: I had a bunch of miscellaneous statements that I wanted to keep, and saved these in a file ./myworkingdirectory/random.py. 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. File "C:\ProgramData\Anaconda3\lib\site-packages\traitlets\config\configurable.py", line 412, in instance PyCharm & Jupyter Notebook - Where's the output? --ip= (NotebookApp.ip) 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". import (constants, error, message, context, File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 87, in run_code [D 19:47:19.292 NotebookApp] Path services/contents.js served from /Users/lgouda/opt/anaconda3/lib/python3.9/site-packages/notebook/static/services/contents.js You are receiving this because you commented. [E 17:16:22.671 NotebookApp] Error opening stream: HTTP 404: Not Found (Kernel does not exist: b9f0c1b0-1514-45d7-b85b-cd4c6debbd4e) /Users/lgouda/.local/etc/jupyter/nbconfig/common.json reraise(*exc_info) Did you mean one of: extra_template_paths, template_name, template_paths? File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\site-packages\ipykernel_launcher.py", line 16, in Connect and share knowledge within a single location that is structured and easy to search. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\jupyter_client\connect.py", line 21, in [D 19:48:26.314 NotebookApp] Getting buffer for b8710be7-c12c-44a5-a501-84bede249224 But this was solved by moving the required file to my working directory. [D 21:03:47.476 NotebookApp] 304 GET /static/components/MathJax/extensions/Safe.js?V=2.7.6 (172.16.48.232) 1.44ms return run_code(code, main_globals, None, from ipykernel import kernelapp as app Any suggestions? from ipykernel import kernelapp as app [D 17:16:48.246 NotebookApp] 200 GET /api/contents/test_dir/rdkit.ipynb?type=notebook&=1572916615683 (172.16.48.232) 19.99ms ImportError: DLL load failed: The specified module could not be found. File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\site-packages\jupyter_client\connect.py", line 21, in Traceback (most recent call last): [W 15:39:51.179 NotebookApp] KernelRestarter: restart failed [W 15:40:38.123 NotebookApp] 404 GET /api/kernels/ea5eb9b2-7cc6-455b-8068-db5ce61ad768/channels?session_id=a10207319f184c1bace6c946609970b2 (::1) 5.180000ms referer=None File "C:\Users\jsdha\anaconda3\envs\py3tf2.0\lib\json_init.py", line 346, in loads rev2023.1.17.43168. [W 17:17:48.731 NotebookApp] Timeout waiting for kernel_info reply from f4d9a8b3-ef52-4c5b-b675-82ec5c8d3669 [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 import jupyter_client [I 21:03:42.682 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). [I 2022-10-14 13:28:24.317 ServerApp] or http://127.0.0.1:8889/lab?token=e4b82b055f39ff980ad19e432534a4add1f65e15c5c244aa from ipykernel import kernelapp as app [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 File "C:\Users\Lenovo\anaconda3\envs\ajitenv\lib\runpy.py", line 87, in run_code from string import Template from .connect import * ( path : jupyter -> kernel -> change kernel -> my_env ). (If It Is At All Possible). /root/anaconda3/envs/my-rdkit-env/etc/jupyter/nbconfig/notebook.d/widgetsnbextension.json trying to reconnect. Before we get into the solutions, what is a kernel error? ImportError: DLL load failed while importing error: The specified module could not be found. File "C:\Users\jamil\anaconda3\envs\gpu2\lib\site-packages\ipykernel\connect.py", line 18, in [D 17:16:00.365 NotebookApp] Paths used for configuration of common: i tries creating different envs, none of them worked, uninstalled and reinstalled anaconda, that didn't work, used this /usr/local/etc/jupyter/jupyter_notebook_config.json Traceback (most recent call last): As for this question, there are different solutions for there is no more information. File "
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