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20031024: IDV - null pointer exception

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  • Subject: 20031024: IDV - null pointer exception
  • Date: Sat, 25 Oct 2003 06:42:04 -0600
>From: Tom Whittaker <address@hidden>
>Organization: SSEC
>Keywords: 200310242035.h9OKZeOb020981 IDV time series bug

Hi Tom-

>I displayed a 4 image sequence of MKX radar data (hey, thunderstorms are 
>happening right here, right now...).  When I brought up a Time Series on the 
>same display I got the following plus a pop-up error window -- but the probe 
>came up and worked just fine (1.1b2...on Windoz):

Thanks for finding this. This only was a problem if you were animating
at the time the probe was being created. I've put in a fix and it
will be in the next release.

>ERROR ucar.unidata.idv.control.GridDisplayControl - An error has occurred
>changePosition
>null
>java.lang.NullPointerException
>         at ucar.unidata.idv.control.TimeSeriesControl.updateIndicatorPosition
> (Ti
>meSeriesControl.java:362)
>         at ucar.unidata.idv.control.TimeSeriesControl.access$000(TimeSeriesCo
> ntr
>ol.java:77)
>         at ucar.unidata.idv.control.TimeSeriesControl$1.propertyChange(TimeSe
> rie
>sControl.java:155)
>         at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source
> )
>         at ucar.visad.display.Displayable.firePropertyChange(Displayable.java
> :73
>8)
>         at ucar.visad.display.Animation$AnimationControlListener.controlChang
> ed(
>Animation.java:778)
>         at visad.Control.changeControl(Control.java:95)
>         at visad.java3d.AnimationControlJ3D.takeStep(AnimationControlJ3D.java
> :28
>3)
>         at visad.java3d.AnimationControlJ3D.run(AnimationControlJ3D.java:108)
>         at java.lang.Thread.run(Unknown Source)

Don