I'm unable to open Jupyter notebook. I keep getting this page and it never opens.1 vote
Hi, I can not access labs for Deep Neural Networks with PyTorch, It is showing "500 Internal Server Error". :(4 votes
unable to access jupytor notebok lab. From the past few days it showing ERROR 502 Bad Gateway again &again.
I am unable to complete my course because jupyter notebooks lab is not working from the past few days and I am getting error 502 bad gate way. Please solve this issue as soon as possible.
'' https://labs.cognitiveclass.ai/login/lti '' this url is not even processing & showing error.4 votes
It was working fine till 2/25/202050 votes
I can no longer access Courser JupyterLab: https://labs.cognitiveclass.ai/tools/jupyterlab/lab/tree/labs/DL0321EN/DL0321EN-2-1-Data-Preparation-py-v1.0.ipynb for the course https://www.coursera.org/learn/ai-deep-learning-capstone/home/welcome.
The error I receive is
"502 Bad Gateway
The server returned an invalid or incomplete response."108 votes
When I tried to enter the practice lab, it said '422 unprocessabel entity'.9 votes
How to fix it?4 votes
There is an error message:
File Load Error for PY0101EN-3-3-Functions.ipynb
Unreadable Notebook: /resources/labs/PY0101EN/PY0101EN-3-3-Functions.ipynb NotJSONError("Notebook does not appear to be JSON: 'Stack trace:\n#0 /var/www/polr/vendor/m...")1 vote
I would like to open a discussion about the working materials in the Jupyter Notebook labs. About the quality, the positive or negative remarks. Also, about some parts that are a bit unexplained or can be done differently. In other words, my idea is to post some feedbacks about the Jupyter Notebook labs.1 vote
this service is constantly giving me Service Connection Error to Jupyter server. Error dialogue popping up every few seconds. annoying1 vote
Just make the basic tool work when you click on it. For three days in a row I get "Application Not Responding"7 votes
Give students the code in .ipynb files to store locally rather than hosting them in a faulty cloud service
- This service is being paid for
- Your Jupyter Notebooks service is often down
- The course is paid for on a monthly basis (Time = Money)
You should provide the .ipynb files for student to store on their own device to complete lab sessions
Respond to user queries/ Get it fixed quick
Refund everyone for the time the service is down/intermittent.
Provide the service at no cost.47 votes
is there a timeline to resolve the issue1 vote
I'm getting below error:
!conda -- version
/bin/sh: 1: conda: not found
This used to work. What is missing?
Please provide exact fix steps as I'm a real newbie.1 vote
I follow the knowledge base suggestion to install Ta-lib: !conda install -c quantopian ta-lib --yes
However, I encountered the following error messages.
Solving environment: failed
UnsatisfiableError: The following specifications were found to be in conflict:
Use "conda info <package>" to see the dependencies for each package.
Can you tell me how to solve this problem?
Thank you1 vote
After clicking JupyterLab link.
Starting Docker Container message is displayed. And then Blank screen is displayed. PSA
Please guide to start JupyterLab and start using Jupyter Notebooks.
Thanks in advance.93 votes
select FNAME , LNAME
from EMPLOYEES9 votes
Since yesterday after running a few commands I am getting 502 bad gateway error again & again and not able to connect to the jupyterLab now. Stuck with my project, please suggest....!!76 votes
Dear help desk,
I am facing alot of issues while working on jupyter notebooks, after running a few commands the ui is stuck which forces the user to referesh the screen and the same thing happens after executing a few commands.
This issue applies to R Studio, Zeeplin notebooks as well2 votes
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