Public bug reported: Hi,
I was just doing an upgrade from ubuntu 22.04 server to 24.04 server. After upgrading, the rabbitmq-server cannot be started anymore. Reason: See https://www.rabbitmq.com/blog/2022/07/20/required-feature-flags-in-rabbitmq-3.11 Higher versions of rabbitmq require feature flags to be set *before* upgrade. In my rabbitmq installation these features had not been set, therefore the the rabbitmq server would not start. They ask you to downgerade to an earlier version and do the upgrade. I therefore used LXD to run a Ubuntu 22.04 machine with rabbitmq 3.9 to set the missing feature flags and achieved: rabbitmqctl enable_feature_flag all rabbitmqctl list_feature_flags Listing feature flags ... name state implicit_default_bindings enabled maintenance_mode_status enabled quorum_queue enabled stream_queue enabled user_limits enabled virtual_host_metadata enabled But it still does not work, it still complains about one feature missing: classic_mirrored_queue_version unfortunately, this is required by rabbitmq 3.12 coming with Ubuntu 24.04, but is not known and thus cannot be set by rabbitmq 3.9 coming with Ubuntu 22.04. Now the problem is: There is no Ubuntu coming with 3.9 or 3.10. Ubuntu jumps directly from rabbitmq 3.9 to rabbitmq 3.12, although there is no upgrade path from 3.9 to 3.12. Three nasty options: - loose your data and configuration and run from scratch - run an old version in either docker or LXD - try some upgrade path with docker/podman and non-ubuntu versions of rabbitmq Unfortunately, https://hub.docker.com/_/rabbitmq does not list versions older than 3.12, but they still seem to be available, so this might by some migration/workaround path. ** Affects: rabbitmq-server (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2074309 Title: rabbitmq-server upgrade 22.04 -> 24.04 completely broken To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/rabbitmq-server/+bug/2074309/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
