Please find the below error found in logs upon executing the following command:
$ KEYCLOAK_HOME/bin/standalone.sh &
[0m[31m18:44:48,958 ERROR
[org.jboss.as.controller.management-operation] (ServerService Thread Pool --
28) WFLYCTL0013: Operation ("add") failed - address: ([
("subsystem" =>
"datasources"),
("jdbc-driver" =>
"mysql")
]) - failure description: "WFLYJCA0041: Failed to load
module for driver [com.mysql.jdbc]"
Release : 3.0
Component : CA Agile Requirements Designer