Why does Jenkins say “This Jenkins instance appears to be offline”

Question

I have a fresh install of Jenkins 2.32.2 on Ubuntu. Opened a browser on the instance and get to a page titled Offline, with the message \"This Jenki

Answer 1

This mostly happens when you are working with company issued PC Windows OS.

Fix :-

click on "Configure Proxy" ask your IT team for specific server and port values that can bypass firewall and give your windows username & password. In this way you can resolve windows firewall and offline Jenkins issue.

I researched a lot over Internet but nowhere the fix is available.

Thanks!

Answer 2

In my case, it has something to do with SSL. I manage to fix it by editing /var/lib/jenkins/hudson.model.UpdateCenter.xml and change url to use http instead of https.

Restart jenkins and reload the website, it no longer shows offline.