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    Thrown when an application is trying to use or access an object whose reference equals to null. You are probably trying to use a reference that points to no location in memory as though it were referencing an object.

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This exception has no message.
java.lang.NullPointerException: 	at java.util.Hashtable.put(Hashtable.java:394)	at com.thortech.xl.racf.initial.recon.RacfAdvInitialReconAdapterImpl.init(RacfAdvInitialReconAdapterImpl.java:276)	at com.thortech.xl.racf.initial.recon.RacfAdvInitialReconAdapterImpl.main(RacfAdvInitialReconAdapterImpl.java:77)