1 问题
使用nova命令时出现错误：
root@openstack-ctl:~# nova service-list ERROR (ClientException): The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-4e4fb330-2798-414a-b86e-e33835014ee7) root@openstack-ctl:~# root@openstack-ctl:~# tailf /var/log/nova/nova-api.log 2018-03-21 13:44:31.105 5447 TRACE nova.api.openstack File "/usr/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 526, in get_connection 2018-03-21 13:44:31.105 5447 TRACE nova.api.openstack self.connection = self.__connect() 2018-03-21 13:44:31.105 5447 TRACE nova.api.openstack File "/usr/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 538, in __connect 2018-03-21 13:44:31.105 5447 TRACE nova.api.openstack connection = self.__pool._creator() 2018-03-21 13:44:31.105 5447 TRACE nova.api.openstack File "/usr/lib/python2.7/dist-packages/oslo_db/sqlalchemy/compat/handle_error.py", line 200, in connect 2018-03-21 13:44:31.105 5447 TRACE nova.api.openstack raise original_exception 2018-03-21 13:44:31.105 5447 TRACE nova.api.openstack OperationalError: (OperationalError) (1040, 'Too many connections') None None 2018-03-21 13:44:31.105 5447 TRACE nova.api.openstack 2018-03-21 13:44:31.171 5447 INFO nova.api.openstack [req-4e4fb330-2798-414a-b86e-e33835014ee7 54613e7ec86a4eea885f5efeed5de107 a18ac5cb662d404ca0611b9e3768f9b7 - - -] https://192.168.4.15:8774/v2/a18ac5cb662d404ca0611b9e3768f9b7/os-services returned with HTTP 500 2018-03-21 13:44:31.173 5447 INFO nova.osapi_compute.wsgi.server [req-4e4fb330-2798-414a-b86e-e33835014ee7 54613e7ec86a4eea885f5efeed5de107 a18ac5cb662d404ca0611b9e3768f9b7 - - -] 192.168.4.15 "GET /v2/a18ac5cb662d404ca0611b9e3768f9b7/os-services HTTP/1.1" status: 500 len: 359 time: 0.1559889root@openstack-ctl:~# n
