Due to changes made with integration of CR 4811096 (probably), the following code ( taken from JCK test javasoft.sqe.tests.api.java.awt.Container.ZOrderTests[Container0014] ) fail.

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    LWComponent comp1 = new LWComponent();
    LWComponent comps[] = {
        new LWComponent(),
        new LWComponent(),
        new LWComponent()
    };
    int indices[] = { 0,1,3 };
        for (int j=0; j<indices.length; j++) {
            Container cont = new Container();
            for (int i=0; i<comps.length; i++) {
                cont.add(comps[i]);
            }
            cont.setComponentZOrder(comp1, indices[j]);
        }

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The following exception is thrown:

     java.lang.ArrayIndexOutOfBoundsException: No such child: -1
         at java.awt.Container.getComponent(Container.java:307)
         at java.awt.Component.mixOnZOrderChanging(Component.java:9701)
         at java.awt.Container.setComponentZOrder(Container.java:713)
         at ZOrder.test(ZOrder.java:31)
         ...