Hi all, I follow openstack install guaid( http://docs.openstack.org/mitaka/zh_CN/install-guide-ubuntu/keystone-services.html, for english it's http://docs.openstack.org/mitaka/install-guide-ubuntu/keystone-services.html ). And in keystone service installing, I got error as bellow. I don't know why I got HTTP 500 error, is there some log or something that i can locate this bug, or how i can solve this bug. Thank you. gateway at openstack-2:~$ export OS_TOKEN=... gateway at openstack-2:~$ echo $OS_TOKEN 2faf25a61d5b6e1d0e4e gateway at openstack-2:~$ export OS_URL=http://controller:35357/v3 gateway at openstack-2:~$ export OS_IDENTITY_API_VERSION=3 gateway at openstack-2:~$ openstack service create \ > --name keystone --description "OpenStack Identity" identity An unexpected error prevented the server from fulfilling your request. (HTTP 500) (Request-ID: req-2cc3b6bb-387d-40a5-abdb-f35f748c14df) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20170205/bcfbda4d/attachment.html>