How to resolve " access to vhost '/' refused for user 'xxx': vhost '/' is down" error

Products

• VMware Tanzu RabbitMQ

Issue/Introduction

You are suddenly seeing this error "access to vhost '/' refused for user 'xxx': vhost '/' is down" in the environment where this particular user is granted to access to vhost '/'.

Environment

Opensource RabbitMQ but could be other platforms too

Cause

There could be different causes but mainly due to constrained resources, the vhost is now stopped

Resolution

Run this command in order to restart the down vhost --> "sudo rabbitmqctl restart_vhost"