The work-around for JBWS-3843 is no longer needed due to a change made in WFLY-4625. It might be reverted for the next version dedicated to WildFly, i.e. 5.1.0.Final.
EJB SecurityContextInterceptor attempts JAAS login which doesn't work for JASPIC authentications
Username Token Digest Authentication failure with EJB3 endpoints
Multithread issue when validate with cached hased password + nonce credential info from JBossCachedAuthenticationManager