Erro no log

Consegui fazer o projeto rodar na aula 2 porém o log apresenta o erro abaixo:

20:42:25,204 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) WFLYCTL0013: Operation ("add") failed - address: ([
    ("subsystem" => "datasources"),
    ("data-source" => "livrariaDS")
]) - failure description: {
    "WFLYCTL0412: Required services that are not installed:" => ["jboss.jdbc-driver.com_mysql"],
    "WFLYCTL0180: Services with missing/unavailable dependencies" => [
        "org.wildfly.data-source.livrariaDS is missing [jboss.jdbc-driver.com_mysql]",
        "jboss.driver-demander.java:/livrariaDS is missing [jboss.jdbc-driver.com_mysql]"
    ]
}
20:42:25,207 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) WFLYCTL0013: Operation ("add") failed - address: ([
    ("subsystem" => "datasources"),
    ("data-source" => "livrariaDS")
]) - failure description: {
    "WFLYCTL0412: Required services that are not installed:" => [
        "jboss.jdbc-driver.com_mysql",
        "jboss.jdbc-driver.com_mysql"
    ],
    "WFLYCTL0180: Services with missing/unavailable dependencies" => [
        "org.wildfly.data-source.livrariaDS is missing [jboss.jdbc-driver.com_mysql]",
        "jboss.driver-demander.java:/livrariaDS is missing [jboss.jdbc-driver.com_mysql]",
        "org.wildfly.data-source.livrariaDS is missing [jboss.jdbc-driver.com_mysql]"
    ]
}