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Thanks, Sean! I rebuilt the project under Eclipse, this time choosing to put the .class files in the same directory as the .java files and it came up fine. Cheers, David >From: Sean Luke <[log in to unmask]> >Reply-To: ECJ Evolutionary Computation Toolkit ><[log in to unmask]> >To: [log in to unmask] >Subject: Re: running the Console (from within Eclipse) >Date: Thu, 24 Jan 2008 17:47:09 -0500 > >ECJ expects certain image files to be located next to the class file which >is loading them. Most likely you've set up Eclipse to move the class >files to a separate build directory, leaving the image files behind. You >can fix this by either: > > - getting Eclipse to leave the class files right next to the java files >(and image files) > - modifying the GUI code to look for the images somewhere else > - deleting the GUI code (just delete the 'display' directory) > >Sean > >On Jan 24, 2008, at 5:28 PM, David vun Kannon wrote: > >>Hi, >> >>I've just started with ECJ, and I'm trying work through the tutorials. >>Working within the Eclipse framework, I can get the tutorials to run >>fine, but trying the Console I got this: >> >>Exception in thread "main" java.lang.NullPointerException >> at javax.swing.ImageIcon.<init>(Unknown Source) >> at ec.display.Console.getPlayButton(Console.java:181) >> at ec.display.Console.getJToolBar(Console.java:163) >> at ec.display.Console.getJContentPane(Console.java:525) >> at ec.display.Console.initialize(Console.java:508) >> at ec.display.Console.<init>(Console.java:96) >> at ec.display.Console.main(Console.java:494) >> >>Did I not grab everything I was supposed to when I downloaded ECJ 16? >> >>Thanks, >>David vun Kannon