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
9 a( s8 z" O( z* w: R2021-07-17 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
( o/ K# V7 [' h3 U' G2021-07-17 13:06:56.194 16882 ERROR oslo.messaging._drivers.impl_rabbit [req-de551e6b-0e1f-4435-8b47-98e9a57cd51e - - - - -] Connection failed: [Errno 22] EINVAL (retrying in 20.0 seconds): OSError: [Errno 22] EINVAL


/ j* ]5 Y  p* T# }- I1 D. z原因是rabbitmq不知何缘故down掉了，解决办法：
+ v( r3 H6 `; Y$ \重启rabbitmq服务：
+ N: N0 j1 D6 e& i0 v& b9 h3 Ssystemctl start rabbitmq-server.service