devstack g-api did not start or placement-api did not start

g-api did not start

可能的解决方法：

$sudo apt-get --purge remove rabbitmq-server
$sudo apt-get install rabbitmq-server
$sudo vi /etc/quantum/quantum.confrabbit_durable_queues = True#加入这一行$./unstack.sh
$./stack.sh

placement-api did not start

可能的解决方法：

clean /etc/apache2/site-enabled and site-available directory

then run ./unstack.sh && ./stack.sh