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[5.7.4] Notebook Crash when launched with ip="*" #492

Open ZijiaLewisLu opened 5 years ago

ZijiaLewisLu commented 5 years ago

Hi,

I updated my jupyter notebook to 5.7.4 today and I found it crashed when I set ip="*" (either from the command line or config file).

I found it was because the "self.ip" attribute in NotebookApp object somehow became an empty string and triggered error while calling socket.getaddrinfo. Anyway to fix it?

This is the error I got: image

I printed "self.ip" in the error line. It was an empty string.