502 Bad Gateway when trying to open iPython Notebook

Trying to open an iPython notebook gives me :

502 Bad Gateway

Doesn't matter which notebook, where in my folders. New ones give same error, independent of Python version. File editor (text, csv, python etc.) works fine.

Thanks for the heads-up. I'll have a look to see what's going on.

Ok. I think I've fixed it. Try now. You may need to login again.

Didn't need to log in, but works just fine now. Thanks for the quick fix!

I've just started testing iPython notebook capability. I opened one, and everything seemed great, but now I get Bad Gateway 502 for every notebook even the one that I had opened previously. I logged out and back in, but still see the problem. Any thoughts? I did take these notebooks off my laptop, but that first one opened just fine.

We did have some general notebook server issues yesterday, both at the time Glenn posted above, and then again later on. We think everything was sorted by 22:06 UTC -- seven minutes after the last post above. Please do let us know if you're still seeing problems.