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This exception has no message.
java.lang.NullPointerException: 	at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(	at sun.reflect.UnsafeQualifiedObjectFieldAccessorImpl.get(	at java.lang.reflect.Field.get(	at$RegisterMBeansTask.locateSessionFactory(	at$	at java.util.TimerThread.mainLoop(	at