If the attached simple SLSB is added to the "deploy" directory before startup, the following is thrown:

ERROR [AbstractKernelController] Error installing to Start: name=jboss.j2ee:jar=test-mdb.jar,name=TestSlsb,service=EJB3 state=Create
java.lang.NullPointerException
at org.jboss.ejb.txtimer.EJBTimerServiceImpl.restoreTimers(EJBTimerServiceImpl.java:452)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)