GCJ compiles fine, but I get cast exception

Andrew Haley aph@redhat.com
Fri Aug 1 09:27:00 GMT 2008


Ciamak Abkai wrote:

> I try to run prefuse applying gcj.   There is a problem with the
> following cast :
> 
>    Graphics2D g2D = (Graphics2D)g;

> 
> Exception during event dispatch:
> Exception in thread "prefuse_ActivityManager"
> java.lang.ClassCastException: gnu.java.awt.peer.gtk.GdkGraphics cannot
> be cast to java.awt.Graphics2D at
> prefuse.Display.paintComponent(Display.java:795)
> 
> 
> 
> Do you have an idea how to solve the Problem ?

GdkGraphics doesn't extend Graphics2D.  Do you have any reason to
believe that it should?  It extends Graphics.

Andrew.



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