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Hi Gerry- > Institution: AATLT Texas A&M University > Package Version: 2.3b2 build date:2007-07-31 23:58 UTC > Operating System: Linux > Hardware Information: Java: home: /home/idv/IDV_2.3/jre version: 1.5.0_11 > j3d:1.5.1 fcs (build6) > Inquiry: An error has occurred: > Probe moved I haven't been able to reproduce this, but I put in a possible fix. It seems like it's a race condition with the probe trying to sample before it has data to sample. Don > ****************** > Stack trace: > java.lang.NullPointerException > at ucar.unidata.idv.control.ProbeControl.setData(ProbeControl.java:1988) > at ucar.unidata.idv.control.ProbeControl.updateTime(ProbeControl.java:1620) > at > ucar.unidata.idv.control.ProbeControl.updatePosition(ProbeControl.java:1593) > at > ucar.unidata.idv.control.ProbeControl.updatePosition(ProbeControl.java:1517) > at ucar.unidata.idv.control.ProbeControl.propertyChange(ProbeControl.java:902) > at > java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:333) > at > java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:341) > at > java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:270) > at ucar.visad.display.Displayable.firePropertyChange(Displayable.java:1003) > at > ucar.visad.display.SelectorDisplayable.notifyListenersOfMove(SelectorDisplayable.java:181) > at ucar.visad.display.PointProbe$1.doAction(PointProbe.java:116) > at visad.ActionImpl.run(ActionImpl.java:364) > at visad.util.ThreadPool$ThreadMinnow.run(ThreadPool.java:95) > > > Ticket Details =================== Ticket ID: BAU-517708 Department: Support IDV Priority: Emergency Status: Open