Drag and Drop

[JAMSHEER]

Hi all,

    Does anyone know the actual reason for this exception ? I was trying to drag and drop a tree node into JPanel. JPanel is set as DropTarget.

 

Exception occurred during event dispatching:
java.lang.NullPointerException
        at sun.awt.dnd.SunDropTargetContextPeer.translate(SunDropTargetContextPeer.java:856)
        at sun.awt.dnd.SunDropTargetContextPeer.processMotionMessage(SunDropTargetContextPeer.java:522)
        at sun.awt.dnd.SunDropTargetContextPeer.run(SunDropTargetContextPeer.java:239)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:154)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:337)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)

 

 

Thanks and Regards,

 

Jamsheer E B