After upgrading RH-SSO to 7.5.0, ClassNotFoundException is thrown

Solution Unverified - Updated -

Issue

After upgrading RH-SSO to 7.5.0, following exception is thrown while starting the RH-SSO server.

2022-03-08 14:49:33,517 ERROR [org.infinispan.CLUSTER] (thread-15,ejb,sso-ha1) ISPN000474: Error processing request 32@sso-ha2: java.lang.ClassNotFoundException: org.keycloak.models.sessions.infinispan.changes.SessionEntityWrapper$ExternalizerImpl from [Module "org.wildfly.clustering.infinispan.spi" version 7.4.0.GA-redhat-00005 from local module loader @39c0f4a (finder: local module finder @1794d431 (roots: /opt/redhat-sso/modules,/opt/redhat-sso/modules/system/layers/keycloak,/opt/redhat-sso/modules/system/layers/base))]
        at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:255)
        at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:410)
        at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
        at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:116)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
(truncated)

Environment

  • Red Hat Single Sign-On (RH-SSO)
    • 7.5.x

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