jbossas/jboss-as — comment on commit 133c0a75151262d1f665fb8fa150a08610a9fa0a
File: web/src/main/java/org/jboss/as/web/WebSubsystemAdd.java line 81
By emuckenhuber:

The WebConfigurationHandlerUtils were also initializing the configuration=* resources itself. AFAIR not doing so will most likely break the console, since they rely on the fact that the configuration=* resources are present and the read and write-attribute operations just works.