Incorrect double checked locking in AuthenticationConfiguration --------------------------------------------------------------- Key: ELY-1633 URL: https://issues.jboss.org/browse/ELY-1633 Project: WildFly Elytron Issue Type: Bug Components: Authentication Client Reporter: Philippe Marschall Fix For: 1.5.3.CR1 AuthenticationConfiguration seems to employ double checked locking but but incorrectly does not declare the variable as volatile. https://en.wikipedia.org/wiki/Double-checked_locking#Usage_in_Java