[kolla][rabbitmq] Trouble with RMQ 3.8 in Train

Albert Braden ozzzo at yahoo.com
Tue Feb 22 21:13:15 UTC 2022

We are running kolla-ansible Train and I successfully followed the recommendations in [1] to change our RMQ settings, and our RMQ works a lot better now, but one of the recommendations is to run RMQ 3.8 and so far I haven’t been able to make it work. Our working RMQ container has these settings in the Dockerfile to force 3.7 and the appropriate erlang version:


I changed those settings to allow 3.8:


Now my RMQ container fails to start with:

{"log":"20:29:28.440 [error] Supervisor rabbit_prelaunch_sup had child prelaunch started with rabbit_prelaunch:run_prelaunch_first_phase() at undefined exit with reason no_configuration_schema_found in context start_error\r\n","stream":"stdout","time":"2022-02-22T20:29:28.441064637Z"}

What am I missing?

[1] https://wiki.openstack.org/wiki/Large_Scale_Configuration_Rabbit

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