Error while registering Oracle JDBC Diagnosability MBean

Deploying the Oracle 11.1 driver jdbc-driver-11.1.0.6.0.jar through the admin console gives a

10:42:15,938 SEVERE [oracle.jdbc] (MSC service thread 1-7) Error while registering Oracle JDBC Diagnosability MBean.: java.lang.NullPointerException
at oracle.jdbc.driver.OracleDriver.registerMBeans(OracleDriver.java:301)
at oracle.jdbc.driver.OracleDriver$1.run(OracleDriver.java:213)
at java.security.AccessController.doPrivileged(Native Method) [:1.6.0_23]
at oracle.jdbc.driver.OracleDriver.<clinit>(OracleDriver.java:209)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) [:1.6.0_23]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) [:1.6.0_23]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) [:1.6.0_23]
at java.lang.reflect.Constructor.newInstance(Constructor.java:513) [:1.6.0_23]
at org.jboss.as.connector.deployers.processors.DriverProcessor.deploy(DriverProcessor.java:66)
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:115)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1765)
at org.jboss.msc.service.ServiceControllerImpl$ClearTCCLTask.run(ServiceControllerImpl.java:2291)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_23]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_23]
at java.lang.Thread.run(Thread.java:662) [:1.6.0_23]

the driver looks registered/enabled, though, this is just an error from the diagnose bean