[keycloak-user] Upgrading Keycloak and Infinispan conflict

[Federico Navarro Polo - Info.nl]

Hi,

We are upgrading our Keycloak environment to the latest stable version, and we’ve found out a problem with Infinispan. Our setup is a standalone-ha with distributed cache.

Apparently, there were breaking changes when going from Keycloak 3.1.0 to 3.2.0, since some classes and enums were removed from codebase. Those entities are still cached by Infinispan, so after upgrading Keycloak, on restart, a big amount of ClassNotFoundException or IllegalArgumentException due to these changes.

Is there any way to cleanly transition without clearing the caches?

Met vriendelijke groet,

Federico Navarro

backend developer

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