Just got the same issue on my instance. Seems that after the instance is idled it returns
this 502 even after the instance is restarted (confirmed in the log that it's up and
----- Original Message -----
From: "Ioan Eugen Stan" <stan.ieugen(a)gmail.com>
To: "Stian Thorgersen" <stian(a)redhat.com>
Cc: "keycloak-user" <keycloak-user(a)lists.jboss.org>
Sent: Thursday, 23 July, 2015 12:45:56 PM
Subject: Re: [keycloak-user] Keycloak OpenShift Cartridge updated to 1.3.1.Final
Thank you for the response. However, I think it's another beast altogether:
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request GET /auth/admin/.
Reason: DNS lookup failure for: 127.0.0.1:80auth