折腾：
【未解决】VSCode中调试Notebook的ipynb文件中的Python代码
期间，点击运行，结果报错：
We encountered an issue downloading the Language Server. Reverting to the alternative, Jedi. Check the Python output panel for details.
Starting Jupyter server
结果：
Downloading https://pvsc.azureedge.net/python-language-server-stable/Python-Language-Server-osx-x64.0.5.30.nupkg... Language server download failed Error: read ECONNRESET
才看到顶部报错：
Error: Jupyter cannot be started. Error attempting to locate jupyter: at A.startServer (/Users/crifan/.vscode/extensions/ms-python.python-2020.2.64397/out/client/extension.js:1:786120) at async A.ensureServerAndNotebookImpl (/Users/crifan/.vscode/extensions/ms-python.python-2020.2.64397/out/client/extension.js:1:785575) at async A.ensureServerAndNotebook (/Users/crifan/.vscode/extensions/ms-python.python-2020.2.64397/out/client/extension.js:1:785376) at async A.submitCode (/Users/crifan/.vscode/extensions/ms-python.python-2020.2.64397/out/client/extension.js:1:782328) at async A.reexecuteCell (/Users/crifan/.vscode/extensions/ms-python.python-2020.2.64397/out/client/extension.js:75:879318)
关闭notebook，重新打开。
问题依旧：
Error: Jupyter cannot be started. Error attempting to locate jupyter
Error Jupyter cannot be started out/client/extension.js
试试
“* Please could you open the Jupyter output panel and let us know what’s in there?
* Open the command Select Jupyter Interpreter.. and let us know what currently selected, should be displayed in the picker input as a placeholder. Please select an interpreter that you’d like to use for Jupyter from this list.
* I suspect there are some more errors logged in the console window, possibly with more details, please could you paste your entire log.”
jupter的log中，啥都没有
难道是：此处数据已经显示出来了？?
点击重新运行，也不行，卡死了：
没变化
去看看 show jupyter output
也没反应。
不过关闭后，重新打开后，貌似可以了？
好像jupyter的server启动了？
Starting Jupyter from /usr/local/opt/python/bin/python3.7 [I 22:16:28.477 NotebookApp] Writing notebook server cookie secret to /Users/crifan/Library/Jupyter/runtime/notebook_cookie_secret [I 22:16:29.896 NotebookApp] Serving notebooks from local directory: /var/folders/46/2hjxz38n22n3ypp_5f6_p__00000gn/T/e0ad91e0-ffe3-4e64-a92d-abf917a14263 [I 22:16:29.901 NotebookApp] The Jupyter Notebook is running at: [I 22:16:29.902 NotebookApp] http://localhost:8888/?token=77a70f7dd8e096fd5d5ced16bb43901e0ce3320426c6cfc4 [I 22:16:29.902 NotebookApp] or http://127.0.0.1:8888/?token=77a70f7dd8e096fd5d5ced16bb43901e0ce3320426c6cfc4 [I 22:16:29.907 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). [C 22:16:29.964 NotebookApp] To access the notebook, open this file in a browser: file:///Users/crifan/Library/Jupyter/runtime/nbserver-44079-open.html Or copy and paste one of these URLs: http://localhost:8888/?token=77a70f7dd8e096fd5d5ced16bb43901e0ce3320426c6cfc4 or http://127.0.0.1:8888/?token=77a70f7dd8e096fd5d5ced16bb43901e0ce3320426c6cfc4 [I 22:16:31.910 NotebookApp] Creating new notebook in / [I 22:16:31.923 NotebookApp] Writing notebook-signing key to /Users/crifan/Library/Jupyter/notebook_secret [I 22:16:31.998 NotebookApp] Kernel started: b343b980-1f77-4d18-8dcd-03e876cdb7c8 [I 22:16:36.169 NotebookApp] Creating new notebook in / [I 22:16:36.187 NotebookApp] Kernel shutdown: b343b980-1f77-4d18-8dcd-03e876cdb7c8 [I 22:16:36.623 NotebookApp] Kernel started: be834735-20c3-4515-8d55-beba156dcc76 [I 22:16:37.652 NotebookApp] Creating new notebook in / [I 22:16:37.662 NotebookApp] Creating new notebook in / [I 22:16:37.674 NotebookApp] Creating new notebook in / [I 22:16:37.685 NotebookApp] Creating new notebook in / [I 22:16:37.719 NotebookApp] Kernel started: e64de3fd-8c30-4f87-bc46-eee10208f1a3 [I 22:16:37.745 NotebookApp] Kernel started: c356a799-1b24-475e-93fe-266b42915bec [I 22:16:37.775 NotebookApp] Kernel started: eed26f94-14c5-4cbe-ac37-d7c33d8a5277 [I 22:16:37.816 NotebookApp] Kernel started: 878276aa-a24a-475c-92d4-7aae19de69c0 [I 22:16:38.086 NotebookApp] Creating new notebook in / [I 22:16:38.151 NotebookApp] Kernel started: 9db2c404-c196-486b-9d41-b4335e55d6a3 [I 22:16:40.413 NotebookApp] Creating new notebook in / [I 22:16:40.470 NotebookApp] Kernel started: 34de8af6-e3a6-4130-a21b-d04dd752ae1b [I 22:16:40.671 NotebookApp] Creating new notebook in / [I 22:16:40.760 NotebookApp] Kernel started: b63c3ea7-450c-4d38-936d-310069d74080 [I 22:16:40.813 NotebookApp] Creating new notebook in / [I 22:16:40.963 NotebookApp] Kernel started: 367a418a-eed1-49c6-9049-cd7df9149482 [I 22:16:41.178 NotebookApp] Creating new notebook in / [I 22:16:41.247 NotebookApp] Kernel started: 718fe709-7a48-4069-892b-8f6be9aab630
然后点击后，也可以运行了：
此处是报错而已
【总结】
此处问题是：
启动Jupyter但是报错：
We encountered an issue downloading the Language Server. Reverting to the alternative, Jedi. Check the Python output panel for details.
具体错误是：
Error: Jupyter cannot be started. Error attempting to locate jupyter: at A.startServer (/Users/crifan/.vscode/extensions/ms-python.python-2020.2.64397/out/client/extension.js:1:786120) at async A.ensureServerAndNotebookImpl (/Users/crifan/.vscode/extensions/ms-python.python-2020.2.64397/out/client/extension.js:1:785575) at async A.ensureServerAndNotebook (/Users/crifan/.vscode/extensions/ms-python.python-2020.2.64397/out/client/extension.js:1:785376) at async A.submitCode (/Users/crifan/.vscode/extensions/ms-python.python-2020.2.64397/out/client/extension.js:1:782328) at async A.reexecuteCell (/Users/crifan/.vscode/extensions/ms-python.python-2020.2.64397/out/client/extension.js:75:879318)
解决办法：
不清楚。但自己最终的操作是
- 多次关闭了重新打开ipynb文件
- 查看-》命令面板-》Python: Select Interpreter to start Jupyter server
- 查看-》命令面板-》Python: Show Jupyter Output
而无意间解决了问题：
可以正常在Jupyter的终端中看到kernel start的log了。
顶部也可以看到：Jupyter Server: local 和 相关的Python版本。
转载请注明：在路上 » 【已解决】VSCode中运行Jupyter报错：We encountered an issue downloading the Language Server