We may have posted to quickly. No need to provide support.  If we are 
unable to resolve, I will post a follow up.  Right now we think this might 
be a misunderstanding on our end.

On Monday, March 19, 2018 at 9:46:14 AM UTC-7, [email protected] wrote:
>
> Hi,
>
> We are struggling to get access to a jupyter lab instance running on 
> localhost.  We have a docker container running all the software.  I checked 
> STDOUT to get the token information:
>
> [I 16:37:53.682 LabApp] Writing notebook server cookie secret to 
> /root/.local/share/jupyter/runtime/notebook_cookie_secret
>
> [I 16:37:53.951 LabApp] JupyterLab beta preview extension loaded from 
> /usr/local/lib/python2.7/dist-packages/jupyterlab
>
> [I 16:37:53.951 LabApp] JupyterLab application directory is 
> /usr/local/share/jupyter/lab
>
> [W 16:37:53.954 LabApp] JupyterLab server extension not enabled, manually 
> loading...
>
> [I 16:37:53.955 LabApp] JupyterLab beta preview extension loaded from 
> /usr/local/lib/python2.7/dist-packages/jupyterlab
>
> [I 16:37:53.955 LabApp] JupyterLab application directory is 
> /usr/local/share/jupyter/lab
>
> [I 16:37:53.959 LabApp] Serving notebooks from local directory: /files
>
> [I 16:37:53.959 LabApp] 0 active kernels
>
> [I 16:37:53.960 LabApp] The Jupyter Notebook is running at:
>
> [I 16:37:53.960 LabApp] 
> http://0.0.0.0:8888/?token=1b6ed13a41fc410b176d92eac341e7984589061e8d8e0b8e
>
> [I 16:37:53.960 LabApp] Use Control-C to stop this server and shut down 
> all kernels (twice to skip confirmation).
>
> [W 16:37:53.961 LabApp] No web browser found: could not locate runnable 
> browser.
>
> [C 16:37:53.961 LabApp] 
>
>     
>
>     Copy/paste this URL into your browser when you connect for the first 
> time,
>
>     to login with a token:
>
>         
> http://0.0.0.0:8888/?token=1b6ed13a41fc410b176d92eac341e7984589061e8d8e0b8e
>
>
>
> However that link, takes us to this error page shown in the attachment.  
> We tried to get help through the documentation and stack overflow but have 
> not been able to locate anyone with this exact issue.  The next step for us 
> is to disable the password, but we're reading a lot of warnings about this 
> being a bad idea.
>
> We are confident that there is only a single docker container and a single 
> instance of Jupyter running.  This is not at all caused by two instances 
> running on the same machine, nor related to port forwarding.  We are 
> definitely connected to the same instance that gave the standard out shown 
> above, yet it refuses to accept the provided token for entry.
>
> Can you please advise on why the token provided is not being accepted?
>
>
>
>

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