Session expired message in the UI
Symptom
You see a message in the controller UI that your login session has expired.
Cause
It has been longer than the defined Keystone session timeout since you logged in so your session has expired. The default Keystone login session timeout is 1 hour.
Action
Reload the page and log in again.
If you want to increase the Keystone session timeout value, do the following:
Log on to the controller as sudo user.
Open the
/etc/keystone/keystone.conffile for editing.Locate the line:
#expiration=3600.Modify that line by removing the comment (hash tag) and change the value to something larger.
Save the file and exit the editor.
Restart the Keystone server using this command:
service keystone restartLogout from the UI and log back in and the session timeout is increased to the new value.