Hi,
Some previous posts discuss about the error you get when you use the Admin
Client in Jackson2 environments.
The current solution seems to be
1. Revert to Jackson 1 by specifying it in the jboss deployment xml
2. Use the Admin REST API directly.
Option 1 is possible if your application does not depend on any jackson2
feature (which is not the case for me and I suspect many others as well)
So we end using using the Admin REST API directly which is a shame as the
AdminClient looks a more elegant option that we can use out of the box.
There also seems to be a Jira issue present for this
https://issues.jboss.org/browse/KEYCLOAK-815
Any idea if this will get resolved anytime in the near future.
Cheers
Travis