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Java 5 on Mac crashing, burning? Blame SWT, of course

I was having a weird problem with a Java Swing app crashing and burning on my Mac, with this crazy exception:
JavaAWT: NSException not handled by native method.  Passing to Java.
java.lang.RuntimeException: Non-Java exception raised, not handled! (Original problem: Error (1002) creating CGSWindow)
at apple.awt.OSXOffScreenSurfaceData._copyNSImagePixels(Native Method)
at apple.awt.OSXOffScreenSurfaceData.copyNSImagePixels(OSXOffScreenSurfaceData.java:1026)
at apple.awt.CImage.createImage(CImage.java:47)
at apple.laf.AquaImageFactory.makeAlertIcon(AquaImageFactory.java:111)
at apple.laf.AquaImageFactory.getConfirmImageIcon(AquaImageFactory.java:92)
at apple.laf.AquaLookAndFeel.initComponentDefaults(AquaLookAndFeel.java:616)
at apple.laf.AquaLookAndFeel.getDefaults(AquaLookAndFeel.java:360)
at javax.swing.UIManager.setLookAndFeel(UIManager.java:445)
at javax.swing.UIManager.setLookAndFeel(UIManager.java:485)
at javax.swing.UIManager.initializeDefaultLAF(UIManager.java:1178)
at javax.swing.UIManager.initialize(UIManager.java:1265)
at javax.swing.UIManager.maybeInitialize(UIManager.java:1253)
at javax.swing.UIManager.getUI(UIManager.java:859)
at javax.swing.JPanel.updateUI(JPanel.java:104)
at javax.swing.JPanel.(JPanel.java:64)
at javax.swing.JPanel.(JPanel.java:87)
at javax.swing.JPanel.(JPanel.java:95)
at javax.swing.JRootPane.createGlassPane(JRootPane.java:482)
at javax.swing.JRootPane.(JRootPane.java:313)
at javax.swing.JFrame.createRootPane(JFrame.java:247)
at javax.swing.JFrame.frameInit(JFrame.java:228)
at javax.swing.JFrame.(JFrame.java:195)
at com.publicobject.issuesbrowser.swing.IssuesBrowser.constructStandalone(IssuesBrowser.java:121)
at com.publicobject.issuesbrowser.swing.IssuesBrowser.(IssuesBrowser.java:91)
at com.publicobject.issuesbrowser.swing.Main.run(Main.java:16)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199)
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)

It turns out this problem occurs when you run a Swing or AWT app with SWT on your classpath. I took the SWT jars off my classpath, and everything was back to normal!
which jars exactly? won't java moan when u import the swt packages without swt in your classpath? :-)

Jannis