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java.lang.NullPointerExcetpion: 	at java.util.Hashtable.put(Hashtable.java:567)	at com.ibm.staf.service.stax.STAXMonitor.saveProperties(STAXMonitor.java:8090)	at com.ibm.staf.service.stax.STAXMonitor.(STAXMonitor.java:970)	at com.ibm.staf.service.stax.STAXMonitor.main(STAXMonitor.java:5598)