Injected EJB is not behaving as an EJB when invoked

Issue

• We deploy a @Stateful or @StatelessEJB class and @Inject it into another class. We are able to call that injected object, but we notice some problem behaviors suggesting the injected object is not properly behaving as expected per our EJB annotations and config. For example, no bean instance is being fetched from the EJB pool upon invocation and we can see concurrency issues as the same instance of the class is being shared and used across multiple threads at once.