happens on 1.6.0_10-ea-b11 and previous u10 builds
When you try to set window size to {0,0} an exeption appears. It works without problem on all JDK versions prior to u10

[java] SEVERE [global]
[java] java.lang.IllegalArgumentException: Width (0) and height (0) cannot
be <= 0
[java] at
java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:999)
[java] at
sun.awt.image.SunVolatileImage.getBackupImage(SunVolatileImage.java:225)
[java] at
sun.awt.image.VolatileSurfaceManager.getBackupSurface(VolatileSurfaceManager.java:252)
[java] at
sun.awt.image.VolatileSurfaceManager.initialize(VolatileSurfaceManager.java:108)
[java] at sun.awt.image.SunVolatileImage.<init>(SunVolatileImage.java:72)
[java] at sun.awt.image.SunVolatileImage.<init>(SunVolatileImage.java:82)
[java] at sun.awt.image.SunVolatileImage.<init>(SunVolatileImage.java:93)
[java] at
sun.java2d.d3d.D3DGraphicsConfig.createBackBuffer(D3DGraphicsConfig.java:148)
[java] at
sun.awt.windows.WComponentPeer.replaceSurfaceData(WComponentPeer.java:400)
[java] at
sun.awt.windows.WComponentPeer.replaceSurfaceData(WComponentPeer.java:367)
[java] at sun.awt.windows.WComponentPeer.setBounds(WComponentPeer.java:149)
[java] at sun.awt.windows.WWindowPeer.setBounds(WWindowPeer.java:514)
[java] at java.awt.Component.reshapeNativePeer(Component.java:2059)
[java] at java.awt.Component.reshape(Component.java:2007)
[java] at java.awt.Window.reshape(Window.java:776)
[java] at java.awt.Component.setBounds(Component.java:1973)
[java] at java.awt.Window.setBounds(Window.java:3114)


This code cause the exception

public static void main(String[] args) {
        // TODO code application logic here
        JFrame f = new JFrame();
        f.setUndecorated(true);
        f.setBounds(100, 100, 320, 240);
        f.setVisible(true);
        try { Thread.sleep(1000); } catch (Exception z) {}
        f.setBounds(0, 0, 0, 0);
        try { Thread.sleep(1000); } catch (Exception z) {}
        f.dispose();
    }