Errors accessing SageCell from localhost

Ingo Dahn

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Jun 26, 2022, 6:23:00 AM6/26/22

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I am getting these errors when calling SageCell from within my local developmental environment. When I deploy the system to a server, the code is working as expected, so this is not absolutely critical, it just slows down testing quite a bit.

Can I avoid this on my side?

Rob Beezer

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Jun 26, 2022, 5:23:06 PM6/26/22

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Tom Judson was reporting a similar problem this morning.

Same symptoms, but nothing too concrete like a console warning to pass along.

He may have decided it was only on Safari (and not on Chrome).

https://groups.google.com/g/pretext-dev/c/HREb5TJrYo0/m/ihtMF4psBgAJ

Rob

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Ingo Dahn

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Jun 27, 2022, 3:19:08 AM6/27/22

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I got the error using edge on Win11 with the Vue framework. I observe that it is working ok with Chrome on the same system, so it is a minor priority problem for me. This indicates to me that it can be solved only on the SageCell server side.

Andrey Novoseltsev

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Jun 27, 2022, 11:57:55 PM6/27/22

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Is this a new issue that didn't exist before, or you just were not trying such operations before?

I will add those headers tomorrow to see what happens...

Ingo Dahn

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Jun 28, 2022, 6:08:13 AM6/28/22

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I noted this for the first time June 5th during a small experiment to develop a Vue component with linked cells created on demand. I didn't try this before.

Note that accessing SageCell from a local computer with Edge, running a local page generated by the NotebookPlayer, works fine.

Andrey Novoseltsev

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Jun 28, 2022, 6:26:14 PM6/28/22

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Can you please test the problem case and report if there are any changes? I have added Access-Control-Allow-Headers: X-CSRF-Token but I am a bit confused by different spelling.

Ingo Dahn

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Jun 30, 2022, 7:50:33 AM6/30/22

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No change yet. This is the error message on the edge console, saying x-xsrftoken.

Andrey Novoseltsev

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Jul 4, 2022, 1:46:03 PM7/4/22

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How about now? I've changed the name to X-XSRFToken

Ingo Dahn

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Jul 4, 2022, 3:47:14 PM7/4/22

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Yeah!! It is now also working with Edge. Thanks!

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