openstack安装rabbitmq

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　　openstack安装rabbitmq-server消息队列时出现以下错误：
　　Unpacking rabbitmq-server (from .../rabbitmq-server_2.5.0-1ubuntu2_all.deb) ...
Processing triggers for man-db ...
Processing triggers for ureadahead ...
Setting up rabbitmq-server (2.5.0-1ubuntu2) ...
Starting rabbitmq-server: FAILED - check /var/log/rabbitmq/startup_{log, _err}
rabbitmq-server.
invoke-rc.d: inits_cript rabbitmq-server, action "start" failed.
dpkg: error processing rabbitmq-server (--configure):
subprocess installed post-installation s_cript returned error exit status 1
Errors were encountered while processing:
rabbitmq-server
E: Sub-process /usr/bin/dpkg returned an error code (1)
　　因为安装完成后，在启动rabbitmq-server时会检测hostname和hosts记录的对应关系
　　解决方法：
　　查看hostname
　　# hostname
  ubuntu6
　　配置hosts文件
# cat /etc/hosts |grep ubuntu6
  127.0.0.1    ubuntu6
　　重启服务：
　　/etc/init.d/rabbitmq-server start