I confirm that Jupyter does not start. My log shows the following output[I 18:14:07.652 NotebookApp] Using MathJax: nbextensions/mathjax/MathJax.js[I 18:14:07.842 NotebookApp] Serving notebooks from local directory: /Users/ralph/Documents/Sage Jupyter Notebooks[I 18:14:07.842 NotebookApp] The Jupyter Notebook is running at:[I 18:14:07.843 NotebookApp] http://localhost:8888/?token=1c3d72103aad6145315688067632cb508eed65dc7b3ff57a[I 18:14:07.843 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).[C 18:14:07.847 NotebookApp]To access the notebook, open this file in a browser:file:///Users/ralph/Library/Jupyter/runtime/nbserver-11902-open.htmlOr copy and paste one of these URLs:
[I 18:14:24.013 NotebookApp] Creating new notebook in[I 18:14:24.692 NotebookApp] Kernel started: 35543d18-9b4d-44d6-9234-fde888a4951e[I 18:14:26.123 NotebookApp] Adapting to protocol v5.1 for kernel 35543d18-9b4d-44d6-9234-fde888a4951e[I 18:15:11.689 NotebookApp] Saving file at /Untitled.ipynb[I 18:15:48.066 NotebookApp] Starting buffering for 35543d18-9b4d-44d6-9234-fde888a4951e:08c6751af6b3477893d056fe2cc9c4c7[I 18:15:48.379 NotebookApp] Kernel shutdown: 35543d18-9b4d-44d6-9234-fde888a4951eshell-init: error retrieving current directory: getcwd: cannot access parent directories: Operation not permittedshell-init: error retrieving current directory: getcwd: cannot access parent directories: Operation not permittedshell-init: error retrieving current directory: getcwd: cannot access parent directories: Operation not permittedshell-init: error retrieving current directory: getcwd: cannot access parent directories: Operation not permittedshell-init: error retrieving current directory: getcwd: cannot access parent directories: Operation not permitted
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After installing sage-9.0-OSX_10.15.2-x86_64.app.dmg, doubling clicking
the Sage icon immediately results in a window popping up with the message:
"Jupiter Server fails to start. For some reason the Jupiter server ailed to start.
[...]
APP=/Applications/SageMath-9.0.app
xattr -dr com.apple.quarantine $APP
reportedthe latter both as shown and with "sudo".
This does not fix the problem!
I also gave Sage Full Disk Access (in Security -> Privacy preference pane), as well as using xattr, as it seemed unable to access certain directories.
Sage now does start Jupyter.
cd /Applications/SageMath-9.0.app
./sage -n