There was a long thread about this here.  You'll have to google infinispan jgroups AWS. Or find the thread.

On 1/29/2016 9:13 AM, Revanth Ayalasomayajula wrote:
Hi Bill,

I seemed to have identified the issue. Both the machines are on AWS and AWS doesn't support multicast. Is there any way around this which can help me out??

Thanks

On Fri, Jan 29, 2016 at 7:36 PM, Bill Burke <bburke@redhat.com> wrote:
Are your clustered machines clocks in sync?


On 1/29/2016 5:15 AM, Revanth Ayalasomayajula wrote:
Hi,

I am using keycloak 1.5.0 and i am facing an issue with the clustering of it.

I have two instances of keycloak behind a load balancer and i made the following changes to keycloak-server.json on both the instances.

Added:
"realmCache": {
    "provider": "infinispan"
},

"userCache": {
    "provider": "infinispan"
} ,t
"userSessions": {
    "provider": "infinispan"
}

and ran the following command: ./standalone.sh --server-config=standalone-ha.xml -b=172.31.7.132.

The server is starting but when i try to access admin console, it first gives me this error:
type=LOGIN_ERROR, realmId=master, clientId=null, userId=null, ipAddress=172.31.18.200, error=expired_code, restart_after_timeout=true

and redirects me to the login page again and then if i try to login in again, it gives me another again:
type=LOGIN_ERROR, realmId=master, clientId=null, userId=null, ipAddress=172.31.25.198, error=invalid_code
and exits
saying  'try login using your application'.

What am i doing that is causing this ?? Any config changes i need to do??


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Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com

_______________________________________________
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-- 
Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com