ConcreteResourceRegistration#registerSubModel is not thread safe ---------------------------------------------------------------- Key: WFCORE-1049 URL: https://issues.jboss.org/browse/WFCORE-1049 Project: WildFly Core Issue Type: Bug Components: Domain Management Reporter: Stuart Douglas Assignee: Brian Stansberry Fix For: 3.0.0.Alpha1 registerSubModel checks for existing, then registers, however it is invoked by two threads at the same time it is possible they will both see the resource as not existing and both register.