Dear Adam, Thanks. The error appeared due to a proxy. I didn't aware I have setup a proxy on this server. Issue solved. Thanks. Regards, Will ________________________________ 发件人： Adam Young <ayoung at redhat.com> 收件人： openstack at lists.launchpad.net 发送日期： 2012年7月23日, 星期一, 下午 9:42 主题: Re: [Openstack] 回复： Keystone client could not behave well, call for help On 07/22/2012 09:12 AM, 延生 付 wrote: reply: 'HTTP/1.1 503 Service Unavailable\r\n' This seems to be the main problem. The error message "string indices must be integers, not str" seems to be a bug in trying to parse the error page. _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack at lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20120724/df61629e/attachment.html>