ERROR oslo.messaging._drivers.impl_rabbit Connection failed:

admin

2021-07-17 13:06:56.149 16877 ERROR oslo.messaging._drivers.impl_rabbit [req-79c28e6c-5fa9-49dd-b4dd-7f40ada6891e - - - - -] Connection failed: [Errno 22] EINVAL (retrying in 20.0 seconds): OSError: [Errno 22] EINVAL
2021-07-17 13:06:56.172 16884 ERROR oslo.messaging._drivers.impl_rabbit [req-3313e27b-e34b-4617-a14e-647019dfb676 - - - - -] Connection failed: [Errno 22] EINVAL (retrying in 20.0 seconds): OSError: [Errno 22] EINVAL
2021-07-17 13:06:56.185 16886 ERROR oslo.messaging._drivers.impl_rabbit [req-722b4536-41e3-454d-a159-224bbca2d70b - - - - -] Connection failed: [Errno 22] EINVAL (retrying in 20.0 seconds): OSError: [Errno 22] EINVAL
2021-07-17 13:06:56.194 16885 ERROR oslo.messaging._drivers.impl_rabbit [req-cc98adca-50f1-47a3-a7ef-390b9f40a07e - - - - -] Connection failed: [Errno 22] EINVAL (retrying in 20.0 seconds): OSError: [Errno 22] EINVAL
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( ~# {% G+ O( u0 B原因是rabbitmq不知何缘故down掉了，解决办法：
重启rabbitmq服务：
systemctl start rabbitmq-server.service
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