Re: [abbot-users] [abbot - Help] Errors from EventExceptionHandler

On Apr 1, 2008, at 5:32 PM, SourceForge.net wrote:
>
> Read and respond to this message at:
> https://sourceforge.net/forum/message.php?msg_id=4878381
> By: medhashewale
>
> Hi,
>  I am using Abbot to test a Swing project that also uses Java 3D.
> After just launching the project via Abbort, sometimes, I get  
> following
> exception:
>
> 080401 14:03:47:537
> abbot 
> .script 
> .EventExceptionHandler.exceptionCaught(EventExceptionHandler.java:22
> ):
>       Unexpected exception while dispatching events:
> 080401 14:03:47:537 Exception thrown at
> javax.swing.SwingUtilities.computeIntersection(Unknown Source)
>       at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
>       at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
>       at javax.swing.RepaintManager.seqPaintDirtyRegions(Unknown  
> Source)
>       at
> javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(Unknown
> Source)
>       at java.awt.event.InvocationEvent.dispatch(Unknown Source)
>       at java.awt.EventQueue.dispatchEvent(Unknown Source)
>       at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown
> Source)
>       at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown  
> Source)
>       at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown
> Source)
>       at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>       at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>       at java.awt.EventDispatchThread.run(Unknown Source):
> java.lang.NullPointerException
>       (caught at
> abbot 
> .script 
> .EventExceptionHandler.exceptionCaught(EventExceptionHandler.java:23
> ))
>
>
> How can this be fixed?

Try running it on a different VM (either different version or from a  
different vendor).  It may be a Swing bug, or it may be due to  
programmer error performing actions off the EDT which are supposed to  
only be performed on the EDT.

I've seen this exception occur even without using Abbot.

Timothy Wall
http://abbot.sf.net



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