I added the trace info in /usr/lib/python2.7/importlib/__init__.py and other scripts and finally the attached log show wsgi was hung on the __import__(gi.overrides.GLib). Thanks
** Attachment added: "apache2's error log" https://bugs.launchpad.net/openstack-manuals/+bug/1644847/+attachment/4783039/+files/error.log ** Project changed: openstack-manuals => horizon -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Dashboard (Horizon). https://bugs.launchpad.net/bugs/1644847 Title: Horizon's home page can't access Status in OpenStack Dashboard (Horizon): New Bug description: Install openstack newton release on Ubuntu 16.04 LTS as the guide. All the services(keystone, glance, network...) are installed and verified. After horizon is installed and configured, its home page http://controller/horizon can't access and the error response is: Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator at webmaster@localhost to inform them of the time this error occurred, and the actions you performed just before this error. More information about this error may be available in the server error log. I debugged the python scripts in wsgi and found it finally hang on importing lib gi.overrides.GLib. ----------------------------------- Release: 0.1 on 2016-11-20 10:32 SHA: d79443334fc2c30e545174929e2d0964b87101a1 Source: http://git.openstack.org/cgit/openstack/openstack-manuals/tree/doc/install-guide/source/horizon-install.rst URL: http://docs.openstack.org/newton/install-guide-ubuntu/horizon-install.html To manage notifications about this bug go to: https://bugs.launchpad.net/horizon/+bug/1644847/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : [email protected] Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp

