Is it possible to update user local-cache to distribute-cache mode ?

Solution Verified - Updated -

Issue

An exception is generated upon the first user access (for example when admin user is login to Admin Console):

7:26:33,780 ERROR [org.infinispan.remoting.rpc.RpcManagerImpl] (default
task-4) ISPN000073: Unexpected error while replicating:
org.infinispan.commons.marshall.NotSerializableException:
org.keycloak.models.cache.infinispan.DefaultLazyLoader
Caused by: an exception which occurred:
        in field
org.keycloak.models.cache.infinispan.entities.CachedUser.attributes
        in object org.keycloak.models.cache.infinispan.entities.CachedUser@20b8c474
        in object org.keycloak.models.cache.infinispan.entities.CachedUser@20b8c474

Environment

  • Red Hat Single Sign-On (RH-SSO)
    • 7

  • Updating configuration (standalone-ha.xml) for users local-cache mode to be distributed-cache mode. The modification done is replacing

    <local-cache name="users">
     <object-memory size="10000"/>
 </local-cache>

    by

    <distributed-cache name="users">
       <object-memory size="10000"/>
 </distributed-cache>

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