Bug #4171
closeddragging actor to canvas then back to component tree area gives NPE
0%
Description
I'm getting an NPE when I drag a component out to canvas, don't drop, and then drag it back over the component tree area:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at java.awt.dnd.DropTarget$DropTargetAutoScroller.updateRegion(DropTarget.java:668)
at java.awt.dnd.DropTarget$DropTargetAutoScroller.actionPerformed(DropTarget.java:710)
at javax.swing.Timer.fireActionPerformed(Timer.java:271)
at javax.swing.Timer$DoPostEvent.run(Timer.java:201)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)