Re: [sage-support] Sage 8.8 Jupyter notebook 404: Page does not exist error

[Jack Borthwick]

OK, so I tried sage -n jupyter and that works. I can reproduce the behaviour I 
was getting by running ``sage -n export’’ something must have gone wrong with 
that during the build.  I've always called the sage notebook with sage -n so it 
perhaps it defaults to export.

Thanks !
> Le 4 juil. 2019 à 08:04, slelievre  a écrit :
> 
> Here is how I would recap Sage notebook modes and
> ways to launch them (correct me if I got anything wrong).
> 
> - Jupyter Notebook
> 
>   sage -n jupyter
> 
> - JupyterLab
> 
>   sage -n jupyterlab
> 
>   note: this requires installing JuyterLab first,
>   which one can do by running in the terminal
> 
>   sage --pip install jupyterlab
> 
> - SageNB legacy notebook
> 
>   sage -n sagenb
> 
> - Sage Exporter (to export legacy notebook worksheets
>   to Jupyter Notebook documents):
> 
>   sage -n exporter
> 
> I think if you just run `sage -n` it will check whether
> you have legacy sagenb worksheets, and if so give
> you the option to run Sage Exporter or to launch a
> Jupyter Notebook server.
> 
> If you know what you want, use one of the options above.
> 
> Note that instead of
> 
> sage -n jupyter
> 
> you can also do
> 
> sage --notebook=jupyter
> 
> and similarly for the other options.
> 
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Re: [sage-support] Re: Sage 8.8 Jupyter notebook 404: Page does not exist error

[Jack Borthwick]

Yeah, when it built i kept getting prompts about java and then at the end it 
said the documentation hadn’t been built successfully.

I only launch sage notebook from the terminal with the option -n so I guess 
I’ll just have to rebuild . Thanks anyway 
> Le 3 juil. 2019 à 19:17, kcrisman  a écrit :
> 
> 
> 
> 
>> Actually I’ve just read more carefully what appeared in the terminal and it 
>> seems that it is missing an extension, I guess I’m going to have to rebuild? 
>> Could this be to do with the fact that I didn’t build the documentation 
>> (because I was missing the Java development tools ?)
>> 
> 
> Java development tools? 
> 
> But yes, something definitely didn't build, and I'm surprised it didn't give 
> an error.  You may need to rebuild.
> 
> OR you could just try sage -n jupyter (I think this is the right syntax) and 
> see where that gets you.
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Re: [sage-support] Re: Sage 8.8 Jupyter notebook 404: Page does not exist error

[Jack Borthwick]

Actually I’ve just read more carefully what appeared in the terminal and it 
seems that it is missing an extension, I guess I’m going to have to rebuild? 
Could this be to do with the fact that I didn’t build the documentation 
(because I was missing the Java development tools ?)
[W 22:25:08.051 NotebookApp] Error loading server extension 
sagenb_export.nbextension
Traceback (most recent call last):
  File 
"/Applications/sage-8.8/local/lib/python2.7/site-packages/notebook/notebookapp.py",
 line 1579, in init_server_extensions
mod = importlib.import_module(modulename)
  File "/Applications/sage-8.8/local/lib/python2.7/importlib/__init__.py", 
line 37, in import_module
__import__(name)
ImportError: No module named sagenb_export.nbextension


> Le 2 juil. 2019 à 19:16, kcrisman  a écrit :
> 
> For what it's worth, my local Sage 8.8.rc2 still seems to correctly throw up 
> the SageNB Export server, and Jupyter seems to work properly.  Exactly what 
> URL is giving you the 404?  (Though I am not on Mojave.)
>  
> I recently compiled sage 8.8 on my Mac (macOS Mojave) and everything seems to 
> work correctly, except the Sage notebook server that doesn't seem to launch 
> correctly. I often, but not always, get redirected to a page with the error 
> 404: page does not exist.
> 
> Is this something someone has already encountered before and is there a known 
> workaround without recompiling sage entirely?
>  
> 
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[sage-support] Sage 8.8 Jupyter notebook 404: Page does not exist error

[Jack Borthwick]

Hi all,

I recently compiled sage 8.8 on my Mac (macOS Mojave) and everything seems 
to work correctly, except the Sage notebook server that doesn't seem to 
launch correctly. I often, but not always, get redirected to a page with 
the error 404: page does not exist.

Is this something someone has already encountered before and is there a 
known workaround without recompiling sage entirely?

Cheers,

Jack

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