Hi ! We are using Discourse on community.museomix.org since many years But I encounter a strange problem when I rebuild the container, it fails with this message: undefined method `deprecated?' for nil:NilClass Here is the full rebuild discourse-doctor output if it can help DISCOURSE DOCTOR Fr…

You are running Discourse on a end of life Ubuntu version. You need to move to an up to date Linux install. That kernel version is way too old.

[image] Samy Rabih: ERROR: Loading command: install (RuntimeError) failed to get urandom This looks like the issue. I can’t imagine the cause.

Me too :frowning: OS is up-to-date, Discourse also

I’m on Ubuntu 22.04 LTS :slight_smile: so not really end-of-life version :wink: but it seems I have a 3.x kernel

[image] Samy Rabih: I’m on Ubuntu 22.04 LTS :slight_smile: so not really end-of-life version :wink: but it seems I have a 3.x kernel Ubuntu 22.04 was launched with Kernel 5.15, so I’d suspect a very nonstandard install / upgrade was in place to get into this state.

I’m trying to switch to a kernel at least more recent than 5.15, but aufs is no longer supported so I’m switching to overlay2

I would recommend that you just spin up a new server rather than muck with the overlays.

Do I need to only retrieve my last Discourse backup from the current server ? (I don’t want to lose some data)

The backup and the plugin list from your app.yml is all you need. If it’s a really old installation, I’d recommend that you run discourse-setup and then copy over the plugins.

no specific plugins on this installation (was on last minor version I guess, I update on a regular basis). Thanks @pfaffman and @Falco

I was finally able to: update OS and kernel to recent versions rebuild Discourse (enabling SSL in app.yml) switch to overlay instead of aufs (without losing data) So https://community.museomix.org/ is back online. (I avoid for some time to move to another droplet). Thanks to Discourse community…

" undefined method `deprecated?' for nil:NilClass" on rebuild

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pfaffman (Jay Pfaffman) January 14, 2023, 1:08am 2

This looks like the issue. I can’t imagine the cause.

Docker build broken- site down

Topic		Replies	Views
Updating failed, unable to rebuild Self-hosting	3	1187	June 9, 2021
Discourse update error Self-hosting	35	2198	January 30, 2023
Latest site upgrade not working Self-hosting	10	1791	February 22, 2022
Discourse Rebuild Self-hosting	14	2298	January 28, 2021
Urgent, rebuild failed from old version Self-hosting	5	478	May 8, 2023

" undefined method `deprecated?' for nil:NilClass" on rebuild

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