[keycloak-user] Cache invalidation Javascript policies - cluster mode

[Matteo Restelli]

Hi all,
We have a custom Javascript policy, and we're running 3 Keycloak instances
in a Kubernetes cluster.
Cluster configuration is based on DNS_PING and we've followed the Helm
provided by Codecentric.
The three Keycloak pods successfully joined the cluster (in standalone
mode). We're seeing this from following log lines:

10:16:02,114 INFO  [org.infinispan.CLUSTER] (MSC service thread 1-4)
ISPN000094: Received new cluster view for channel ejb: [keycloak-2|13] (3)
[keycloak-2, keycloak-1, keycloak-0]
10:16:02,114 INFO  [org.infinispan.CLUSTER] (MSC service thread 1-3)
ISPN000094: Received new cluster view for channel ejb: [keycloak-2|13] (3)
[keycloak-2, keycloak-1, keycloak-0]
10:16:02,114 INFO  [org.infinispan.CLUSTER] (MSC service thread 1-2)
ISPN000094: Received new cluster view for channel ejb: [keycloak-2|13] (3)
[keycloak-2, keycloak-1, keycloak-0]
10:16:02,114 INFO  [org.infinispan.CLUSTER] (MSC service thread 1-1)
ISPN000094: Received new cluster view for channel ejb: [keycloak-2|13] (3)
[keycloak-2, keycloak-1, keycloak-0]
10:16:02,120 INFO
 [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (MSC service
thread 1-4) ISPN000079: Channel ejb local address is keycloak-0, physical
addresses are [10.71.10.170:7600]
10:16:02,120 INFO
 [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (MSC service
thread 1-3) ISPN000079: Channel ejb local address is keycloak-0, physical
addresses are [10.71.10.170:7600]
10:16:02,120 INFO
 [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (MSC service
thread 1-1) ISPN000079: Channel ejb local address is keycloak-0, physical
addresses are [10.71.10.170:7600]
10:16:02,120 INFO
 [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (MSC service
thread 1-2) ISPN000079: Channel ejb local address is keycloak-0, physical
addresses are [10.71.10.170:7600]
10:16:02,755 INFO
 [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (MSC service
thread 1-3) ISPN000078: Starting JGroups channel ejb
10:16:02,756 INFO  [org.infinispan.CLUSTER] (MSC service thread 1-3)
ISPN000094: Received new cluster view for channel ejb: [keycloak-2|13] (3)
[keycloak-2, keycloak-1, keycloak-0]
10:16:02,757 INFO
 [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (MSC service
thread 1-3) ISPN000079: Channel ejb local address is keycloak-0, physical
addresses are [10.71.10.170:7600]


The problem can be reproduced by the following:
- We update the code of our Javascript policy, adding a new "print"
- We just see the new log line on one node, the others are not printing the
new log

Maybe is something related to cache invalidation?

Thank you very much,
Matteo Restelli

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