I will have her do this and let you know if it works. If it doesn't, I will raise a ticket as indicated earlier. THANK YOU!!
On Wednesday, April 24, 2024 at 9:26:05 AM UTC-4 Marc Culler wrote: > Please also have her remove the directory: > ~/Library/Application\ Support/SageMath-10-3/Jupyter > > I misstated where the Jupyter runtime directory is located for the current > 10.3 app, and this is also different from the directory that Dima > mentioned, which was used by 10.2 and earlier. > > When the SageMath-10.3 jupyter kernel starts up it creates files in its > runtime directory describing how to connect to the kernel. When the > SageMath app shuts down it sends a TERM signal to the kernel process it > started. When that kernel process receives the signal it removes the files > it created. Sometimes it can happen that a kernel is killed in a way, > which prevents it from removing its runtime files. This can cause a later > invocation of jupyter to try connecting to a non-existent kernel or to use > an invalid token when connecting to an existing kernel. > > - Marc > > On Tuesday, April 23, 2024 at 11:31:38 PM UTC-5 S Benton wrote: > >> An enormous and sincere thank you to all of you! I will make sure her mac >> os is updated and have her remove the above directories/files. Hopefully >> that will do the trick, but if not I will open an issue at github. And yes >> - she tried Cocalc and it got her able to submit her assignment tonight, at >> least! >> >> Thank you again!!! >> >> On Tuesday, April 23, 2024 at 6:58:30 PM UTC-4 Marc Culler wrote: >> >>> The 10.3 version of the app uses the standard location for Jupyter >>> runtime files: ~/Library/Jupyter >>> >>> - Marc >>> >>> On Tuesday, April 23, 2024 at 5:08:43 PM UTC-5 Dima Pasechnik wrote: >>> >>>> PS. From what I see on >>>> https://github.com/3-manifolds/Sage_macOS/issues/28 >>>> I gather you might try to remove (or better, rename, to be on the safe >>>> side) the folders >>>> >>>> ~/Library/Application Support/SageMath/*/Jupyter >>>> >>>> in other to be able to start Jupyter again. >>>> >>>> >>>> >>>> >>>> On Tue, Apr 23, 2024 at 10:57 PM Dima Pasechnik <dim...@gmail.com> >>>> wrote: >>>> > >>>> > On Tue, Apr 23, 2024 at 10:29 PM S Benton <brent...@gmail.com> >>>> wrote: >>>> > >>>> > > We are not using the app. She downloaded SageMath-10.3_arm64.dmg >>>> from github., double clicked the executable and followed the installation >>>> instructions. To launch, she clicks the SageMath-10-3 icon along the >>>> bottom >>>> of her mac. This gives her the option to open Jupyter Notebook, which she >>>> does, using the SageMath kernel. >>>> > >>>> > OK. What macOS version do you run? >>>> > Do you have all the updates installed ? (you should) >>>> > >>>> > > >>>> > > She has a 3 year old mac and I'm wondering if it just doesn't have >>>> the processing power it needs to do these more intensive mathematical >>>> computations. (plus she probably has other stuff up on her computer) So >>>> when Jupyter Lab konks out, she is unable to restart it. Even if she >>>> reboots her computer, when she tries to relaunch from the SageMath icon, >>>> she gets the Local host Error connection refused. She looks in Activity >>>> Monitor and says she has killed all of the python processes, but still >>>> cannot launch SageMath. >>>> > >>>> > it's most probably a stale "lock" file, just a file created by a >>>> > process to indicate that it's running; such a file is cleaned on a >>>> > normal exit, >>>> > but not in case of a crash. >>>> > >>>> > I must say I don't know much about this app, I'll cc to one of the >>>> authors. >>>> > >>>> > Marc, could you have a look? >>>> > >>>> > The app has a dedicated issue tracker: >>>> > https://github.com/3-manifolds/Sage_macOS/issues >>>> > it might be better to report there. >>>> > >>>> > > >>>> > > The last time this happened we removed and then reinstalled >>>> SageMath. But that's a tough way to keep things moving. I'm wondering if >>>> when Jupyter Lab dies, if there are files that live on and make it so that >>>> she cannot relaunch. We have not been able to find, or just lack the >>>> skills >>>> to find, where any of these files might be located. I tried to run >>>> "jupyter" commands from the terminal, but they come back as unknown and >>>> searching through "finder" on the mac is not getting us anywhere. >>>> > > >>>> > > Short of buying a new computer or continuing to reinstall SageMath, >>>> I'm wondering if there is a simpler of way of getting things up and >>>> running >>>> again for her. >>>> > > >>>> > Certainly a 3 y.o. machine is more than enough to run Sage, it's some >>>> > kind of software glitch, I suppose. >>>> > I'm running Sage (and writing this email from a 7 y.o. machine just >>>> fine). >>>> > >>>> > A quick way to run Sage is to use https://cocalc.com >>>> > (you can upload Jupyter notebooks there to run; you can even use it >>>> for free, >>>> > but to make it run better you'd need to pay something like $7 per >>>> month) >>>> > >>>> > There are several other ways to run Sage locally on your mac, >>>> > but let's try things in turn first. >>>> > >>>> > Hope this helps, >>>> > Dima >>>> > >>>> > > Thank you so much for responding. It is deeply appreciated. >>>> > > >>>> > > >>>> > > >>>> > > On Tuesday, April 23, 2024 at 4:05:17 PM UTC-4 Dima Pasechnik >>>> wrote: >>>> > >> >>>> > >> Hi, >>>> > >> >>>> > >> please tell us more about the Sage version, and how you installed >>>> it, and how you launch the notebook. >>>> > >> >>>> > >> Do you use the Sagemath macOS app? >>>> > >> >>>> > >> >>>> > >> Dima >>>> > >> >>>> > >> >>>> > >> On 23 April 2024 20:05:12 BST, S Benton <brent...@gmail.com> >>>> wrote: >>>> > >>> >>>> > >>> Hi - at my wit's end here - my daughter is trying to use Sage >>>> Math Jupyter Notebook for her college coursework. She has had problems >>>> where if Notebook crashes, she is unable to relaunch it - she gets a >>>> "connection refused" error and it mentions Local Host 8888. Last time, we >>>> reinstalled everything and she was able to get up and running again. >>>> However, this keeps happening. >>>> > >>> >>>> > >>> I am wondering if - when Notebook crashes - if there are still >>>> processes running out there that are preventing her from relaunching a new >>>> instance of Notebook. She is on a mac, and I'm trying to find the commands >>>> or directories where these processes or files might stored so that I can >>>> remove them. >>>> > >>> >>>> > >>> I am not able to use any of the "Jupyter" commands from the mac >>>> command line to see what is running. Does anyone have any help they can >>>> offer on why this might be happening and how i can get her up and running >>>> again? >>>> > >>> >>>> > >>> Many thanks >>>> > > >>>> > > -- >>>> > > You received this message because you are subscribed to the Google >>>> Groups "sage-support" group. >>>> > > To unsubscribe from this group and stop receiving emails from it, >>>> send an email to sage-support...@googlegroups.com. >>>> > > To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/sage-support/12aa12b6-1574-46d8-99b8-f6d72252166an%40googlegroups.com. >>>> >>>> >>>> >>> -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/b09e8840-2238-4eee-bee4-6ff410192a8fn%40googlegroups.com.
