Hi,

Is there any request or effort to let keycloak use slf4j?

At the moment ClientCredentialsProviderUtils calls

org.jboss.logging.Logger.debugf(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V

which does not seem to exist in JBoss 4.2.3.GA, and causes a NoSuchMethodError.