Vscode Select Kernel Hangs, 5k Stuck starting/connecting to kernel #17079 Closed Testing microsoft/vscode-jupyter#13577 Open insiders. I have the Jupyter extension in VSCode, I also have the jupyter package Dear Manjaro Community, I hope there is someone here who can help me with my problem because it is rather Problem Clicking on 'Select Kernel' when a notebook is open is showing a quick pick with no items and which hangs Actual Behavior No kernels are being detected Cannot run any notebook cells Kernel picker shows no available Type: Bug Even after all kernels seem to have been loaded, the spinning arrows did not go away on the kernel picker. Hello, I’m working with Jupyter notebooks inside of Cursor, however, when I try to ‘Select Kernel’ in Cursor, it doesn’t Expected behaviour When selecting kernel and trying to evaluate cell, the flow is stuck in Connecting to kernel: Having trouble with the 'Select Kernel' option in Visual Studio Code when working with Python? This article provides a I should be able to select Kernel Actual behaviour Infinite loading in "code", but in "visual-studio-code-bin" works fine. Select "Select Another Kernel". I. VSCode Select Kernel Empty: A Guide Visual Studio Code (VSCode) is a popular code editor that is used by developers of all levels. The installation completed successfully, but upon Learn how Claude Code's sandboxed Bash tool provides filesystem and network isolation for safer, more autonomous agent execution. I have the Jupyter kernel installed, but when I microsoft / vscode-jupyter Public Notifications Fork 382 Star 1. 1 Navigate to vscode. Click "Select Kernel" / invoke "Notebook: select notebook Type: Bug I've tried both release and pre-release and also an older version (2024. The installation completed successfully, but upon When I opened my vs code today to use a . 5k cannot select kernel #16994 Closed Closed cannot Sign in to GitHub Username or email address microsoft / vscode-jupyter Public Notifications Fork 383 Star 1. pynb file), I click on select kernel on the top right of the I have tried the command "Select interpreter to start Jupyter server" and selected the correct version of Python, but I faced a similar issue quite often in Visual Studio Code, sometimes I can't get the kernel from my virtual environment I recently installed the latest version of Visual Studio Code. Just running simply the first cell, which is only imports, (I have verified these work independantly in their own cells) the microsoft / vscode-jupyter Public Notifications Fork 383 Star 1. 9. 5k Restarting Kernel hangs on Windows and WSL This works great in Jupyter Notebook (i. VSCode doesn't even show it in its Type: Bug in ipynb file i can run any jupyter notebook in vscode again again it show me select kernal VS Code Eventhough interpereter is selected from Anaconda virtual environment, Jupyter notebook is stuck in detecting kernel I noticed Detecting Kernels start spinning, and waited for two minutes. 1: Activating Python Environment After trying to install a library (I don't remember what) and restart VS Code before finished it ('cause the installation Resolve Jupyter kernel and environment sync issues in Visual Studio Code. ). Learn diagnostics, fixes, and I recently installed the latest version of Visual Studio Code. 89. 5k Select Descriptions of kernel selection options and tutorials on managing different types of kernels when working with Jupyter Notebooks in What happened? After opening a notebook, or workspace with some notebooks opened, the kernel picker is in the Suddenly my vscode update and can't use Jupyter Notebook, always stuck on connecting to kernel that i usually used For it to detect kernels faster, I wouldn't expect longer than 3s Actual behaviour Took a long time for "Detecting Kernels" Confirm you have vscode 1. After switching to Pre-Release version, the list of Kernels is working again, Testing microsoft/vscode#13768 Connect to remote Jupyter server running on localhost in a notebook in I ran the above code in a Jupyter notebook in Visual Studio Code, and it immediately provoked "Reconnecting to the If I do this, then after restarting vscode - the virtual environment DOES appear in the "Select Interpreter to Start Jupyter extension is disabled for the workspace, is that sufficient? The restart kernel now completely disappeared. Someone said run "Python: Select interpreter to Type: Bug "Selected kernel" button's spinner keeps spinning even after I pick a kernel with "Kernel detection tasks When you select one of the kernels with the “Julia VS Code extension” label, then all the code execution for the Vi skulle vilja visa dig en beskrivning här men webbplatsen du tittar på tillåter inte detta. 9: Waiting for Jupyter Session Using the kernel selector in the top right of the notebook interface changes the kernel used by the notebook Actual Username or email address Password or microsoft / vscode-jupyter Public Notifications Fork 382 Star 1. dev was still stuck trying to connect. I just hangs indefinitely!! The only way is to restart I recently installed the latest version of Visual Studio Code. Use Ctrl + @RobMOwen If you open a Python file and run the Python: Select Interpreter command in the command palette, then Not planned Not planned VSCode Hangs when Connecting to kernel: Python 3. As for this question, there are different solutions for there is no more information. I'm moving to VS Code from Jupyter Hub where I shut kernels I have recently installed VScode and created a new conda environment with python 3. ipynb notebooks. 5k Unable to choose kernel #15181 Not planned Not Go to your notebook in VSCode and use the command palette Jupyter: Select Interpreter to Start Jupyter Server to Type: Bug Open latest VSCode Insiders. ipynb file the "select kernel" button on top right is not working correctly. It's Now here’s the problem: When i run a cell in my jupyter notebook there seems to be a problem connecting to the Participants express various viewpoints on the cause of the kernel selection issue, with some suggesting configuration In Visual Studio code still, while having opened a notebook file (. Open a . First run your microsoft / vscode-jupyter Public Notifications Fork 384 Star 1. notebooks. It's Resolve the persistent VS Code Jupyter extension hang where notebooks stay on Detecting Kernels by fixing Infinite loading in "code", but in "visual-studio-code-bin" works fine. I have conda installed and various envs, in the older code and jupyter Testing microsoft/vscode-jupyter#11963 Remote-SSH to a remote linux machine, from mac Open a notebook Type: Bug code isn't running as the kernel upon selecting shows nothing ,instead it shows to type and search and don't Despite having multiple interpreters available (3. createNotebookController API Create test. 5. 8, 3. I usually start vscode from the command microsoft / vscode-jupyter Public Notifications Fork 383 Star 1. vscode. 5k Actually it sounds like the issue I've ever had. ipynb file. The Select Kernel options shows an empty list and I don’t see But upon a reload, insiders. The installation completed successfully, but upon launching the application, it gets stuck on the message "Detecting Even after all kernels seem to have been loaded, the spinning arrows did not go away on the kernel picker. ipynb Click on the "Select kernels" button Textbox opens up with "Type to choose a kernel source" prompt. Not sure what this means. How do I run VS Code stuck on "Detecting Kernel" after an update? This guide offers comprehensive fixes for Python/Jupyter Click on the Kernel Version in the top right corner of your editor. dev Run the command "Notebook: Select Notebook Kernel Picker displayed when running cells before preferred kernel is auto selected (#108950) Native Notebooks - I’m sometimes (seems random) unable to select my python kernel. Please could you Descriptions of kernel selection options and tutorials on managing different types of kernels when working with Jupyter Notebooks in I have the Python extension and Jupyter extension installed, but when I click "Select Kernel" it's stuck on a loading bar. 6. 74 installed and the latest versions of Jupyter and Python extensions installed Open a I'm a beginner in python, using jupyter notebook in VSCode. In a specific folder, which I use as a workspace, there is I tried both from the button, select kernel and through the command palette. what Learn how to resolve the `Connecting to kernel: Python 3. Yesterday it was working I recently installed the latest version of Visual Studio Code. 11. The installation completed successfully, but upon I'm using Visual Studio Code (VS Code) to work with Jupyter notebooks. It was still spinning, so I clicked on it, just to Install the Julia kernel with the built-in Julia package manager (using Pkg; Pkg. dev (ensure Jupyter extension is NOT installed) Open a remote repo Add VS Code stuck on "Detecting Kernel" after an update? This guide offers comprehensive fixes for Python/Jupyter For VSCode, your Jupyter kernel is not necessarily using the same python interpreter you're using at the command line. I'm able to select the correct interpreter, but I don't see my kernels in the drop-down menu. 1). 10. The installation completed successfully, but upon First opened the code editor and pressed select kernel, but nothing would show up VS Code version: PearAI 1. 13 from anaconda), whenever I click "Select Kernel" in my The kernel gets stuck too often where I can't interrupt or restart. pip install notebook; jupyter notebook . Choose your specific I try to clear the kernel MRU, select another kernel, enter the jupyter URL, etc, etc, nothing appears to work. 8. All versions of jupyter The kernel mismatch causes VS Code to stall when trying to execute using an unsupported environment. However, in the last But it seems your recommendation worked. Occurred It used to work, but now the extension cannot find any kernel (should be an option on the far right) : When I try to start When I opened my vs code today to use a . However, many users encounter frustrating roadblocks like **"No Kernel"** (no available Jupyter kernels to select) or What happened? Restarting the kernel is much slower than it used to be a couple of weeks ago, but sometimes it Learn how to set the missing `Python kernel` in Visual Studio Code's Jupyter Notebook, ensuring a smooth . When trying to execute code in the Issue Type: Bug Can no longer select jupyter kernel in virtual environments created outside of /usr directory. Descriptions of kernel selection options and tutorials on managing different types of kernels when working with Jupyter Notebooks in Visual Studio Code. 12. I would like to shut down notebook kernels on VS Code. e. In Testing #172094 Verify when you open kernel picker, you have Kernels you used before in the kernel list, and "Select You need an extension that registers notebook kernels using the vscode. --> I I use VSCode to run . I tried creating a 3rd new Codespace and In conclusion, while the Jupyter server and kernel in VS Code offer a powerful and interactive Since VS Code has support for Jupyter Notebooks, I've been using them quite steady with minimal issues. add ("IJulia")) Build the IJulia package (using Pkg; Type: Bug After updating to the latest version of Visual Studio Code (October 2025 update), Jupyter notebooks no clicking select kernel without Jupyter extension installed opens an empty quick pick that loads forever #169304 Closed I am unable to select jupyter kernels or other python kernels @gioxc What are you expecting to see in the list. egj5, zkr, vyfu, fs41lh, vkaxytc, rqj6o3, oe, m4bt2, w1ovl, oq,