Disabling of the default DS through the console fails:

19:34:45,510 ERROR [org.jboss.msc.service] (MSC service thread 1-1) MSC00002: Invocation of listener "org.jboss.as.connector.subsystems.datasources.DataSourceDisable$1$1@5fe1153a" failed: java.lang.IllegalStateException: Operation already complete
at org.jboss.as.controller.NewOperationContextImpl.doCompleteStep(NewOperationContextImpl.java:245)
at org.jboss.as.controller.NewOperationContextImpl.completeStep(NewOperationContextImpl.java:224)
at org.jboss.as.connector.subsystems.datasources.DataSourceDisable$1$1.transition(DataSourceDisable.java:69)
at org.jboss.msc.service.ServiceControllerImpl.invokeListener(ServiceControllerImpl.java:1392)
at org.jboss.msc.service.ServiceControllerImpl.access$2500(ServiceControllerImpl.java:49)
at org.jboss.msc.service.ServiceControllerImpl$ListenerTask.run(ServiceControllerImpl.java:1890)
at org.jboss.msc.service.ServiceControllerImpl$ClearTCCLTask.run(ServiceControllerImpl.java:2302)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_24]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_24]
at java.lang.Thread.run(Thread.java:680) [:1.6.0_24]