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java.lang.NullPointerException at org.jivesoftware.spark.ui.ContactList.updateUserPresence(ContactList.java:275) at org.jivesoftware.spark.ui.ContactList.access$700(ContactList.java:96) at org.jivesoftware.spark.ui.ContactList$19$4$1.run(ContactList.java:1637) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160) at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)