Java Version: 1.5.0-b36-beta2
Platforms: AMD win2003

Problems:
When running Java2D demo which bundled in 1.5.0-b36-beta2, by clicking Mix,
you got lots exception as follwoing:

java.lang.NullPointerException
        at java.awt.Dimension.<init>(Dimension.java:91)
        at java.awt.Component.getMaximumSize(Component.java:2325)
        at java.awt.Container.getMaximumSize(Container.java:1622)
        at javax.swing.JComponent.getMaximumSize(JComponent.java:1579)
        at javax.swing.BoxLayout.checkRequests(BoxLayout.java:435)
        at javax.swing.BoxLayout.layoutContainer(BoxLayout.java:375)
        at javax.swing.JToolBar$DefaultToolBarLayout.layoutContainer(JToolBar.ja
va:786)
        at java.awt.Container.layout(Container.java:1398)
        at java.awt.Container.doLayout(Container.java:1388)
        at java.awt.Container.validateTree(Container.java:1470)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validate(Container.java:1445)
        at java2d.DemoGroup.setup(DemoGroup.java:257)
        at java2d.GlobalPanel.stateChanged(GlobalPanel.java:102)
        at javax.swing.JTabbedPane.fireStateChanged(JTabbedPane.java:283)
        at javax.swing.JTabbedPane$ModelListener.stateChanged(JTabbedPane.java:2
15)
        at javax.swing.DefaultSingleSelectionModel.fireStateChanged(DefaultSingl
eSelectionModel.java:116)
        at javax.swing.DefaultSingleSelectionModel.setSelectedIndex(DefaultSingl
eSelectionModel.java:50)
        at javax.swing.JTabbedPane.setSelectedIndexImpl(JTabbedPane.java:471)
        at javax.swing.JTabbedPane.setSelectedIndex(JTabbedPane.java:457)
        at javax.swing.plaf.basic.BasicTabbedPaneUI$Handler.mousePressed(BasicTa
bbedPaneUI.java:3192)
        at java.awt.Component.processMouseEvent(Component.java:5462)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3052)
        at java.awt.Component.processEvent(Component.java:5230)
        at java.awt.Container.processEvent(Container.java:1961)
        at java.awt.Component.dispatchEventImpl(Component.java:3933)
        at java.awt.Container.dispatchEventImpl(Container.java:2019)
        at java.awt.Component.dispatchEvent(Component.java:3781)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4203
)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3880)

        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3813)
        at java.awt.Container.dispatchEventImpl(Container.java:2005)
        at java.awt.Window.dispatchEventImpl(Window.java:1757)
        at java.awt.Component.dispatchEvent(Component.java:3781)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:234)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)

        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)

        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
java.lang.NullPointerException
        at javax.swing.SizeRequirements.calculateTiledPositions(SizeRequirements
.java:294)
        at javax.swing.BoxLayout.layoutContainer(BoxLayout.java:378)
        at javax.swing.JToolBar$DefaultToolBarLayout.layoutContainer(JToolBar.ja
va:786)
        at java.awt.Container.layout(Container.java:1398)
        at java.awt.Container.doLayout(Container.java:1388)
        at java.awt.Container.validateTree(Container.java:1470)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validate(Container.java:1445)
        at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.j
ava:354)
        at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(System
EventQueueUtilities.java:116)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:201)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:234)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)

        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)

        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
java.lang.NullPointerException
        at javax.swing.SizeRequirements.calculateTiledPositions(SizeRequirements
.java:294)
        at javax.swing.BoxLayout.layoutContainer(BoxLayout.java:378)
        at javax.swing.JToolBar$DefaultToolBarLayout.layoutContainer(JToolBar.ja
va:786)
        at java.awt.Container.layout(Container.java:1398)
        at java.awt.Container.doLayout(Container.java:1388)
        at java.awt.Container.validateTree(Container.java:1470)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validate(Container.java:1445)
        at javax.swing.plaf.basic.BasicTabbedPaneUI.ensureCurrentLayout(BasicTab
bedPaneUI.java:1215)
        at javax.swing.plaf.basic.BasicTabbedPaneUI.paint(BasicTabbedPaneUI.java
:530)
        at javax.swing.plaf.metal.MetalTabbedPaneUI.paint(MetalTabbedPaneUI.java
:827)
        at javax.swing.plaf.metal.MetalTabbedPaneUI.update(MetalTabbedPaneUI.jav
a:716)
        at javax.swing.JComponent.paintComponent(JComponent.java:714)
        at javax.swing.JComponent.paint(JComponent.java:977)
        at javax.swing.JComponent.paintChildren(JComponent.java:814)
        at javax.swing.JComponent.paint(JComponent.java:986)
        at javax.swing.JComponent.paintChildren(JComponent.java:814)
        at javax.swing.JComponent.paint(JComponent.java:986)
        at javax.swing.JComponent.paintChildren(JComponent.java:814)
        at javax.swing.JComponent.paint(JComponent.java:986)
        at javax.swing.JLayeredPane.paint(JLayeredPane.java:559)
        at javax.swing.JComponent.paintChildren(JComponent.java:814)
        at javax.swing.JComponent.paint(JComponent.java:986)
        at javax.swing.JComponent.paintWithOffscreenBuffer(JComponent.java:4875)

        at javax.swing.JComponent.paintDoubleBuffered(JComponent.java:4828)
        at javax.swing.JComponent._paintImmediately(JComponent.java:4771)
        at javax.swing.JComponent.paintImmediately(JComponent.java:4578)
        at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:426)

        at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(System
EventQueueUtilities.java:117)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:201)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:234)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)

        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)

        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
java.lang.NullPointerException
        at javax.swing.SizeRequirements.calculateTiledPositions(SizeRequirements
.java:294)
        at javax.swing.BoxLayout.layoutContainer(BoxLayout.java:378)
        at javax.swing.JToolBar$DefaultToolBarLayout.layoutContainer(JToolBar.ja
va:786)
        at java.awt.Container.layout(Container.java:1398)
        at java.awt.Container.doLayout(Container.java:1388)
        at java.awt.Container.validateTree(Container.java:1470)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validateTree(Container.java:1477)
        at java.awt.Container.validate(Container.java:1445)
        at javax.swing.plaf.basic.BasicTabbedPaneUI.ensureCurrentLayout(BasicTab
bedPaneUI.java:1215)
        at javax.swing.plaf.basic.BasicTabbedPaneUI.getTabBounds(BasicTabbedPane
UI.java:1235)
        at javax.swing.plaf.basic.BasicTabbedPaneUI$Handler.focusLost(BasicTabbe
dPaneUI.java:3241)
        at java.awt.Component.processFocusEvent(Component.java:5357)
        at java.awt.Component.processEvent(Component.java:5221)
        at java.awt.Container.processEvent(Container.java:1961)
        at java.awt.Component.dispatchEventImpl(Component.java:3933)
        at java.awt.Container.dispatchEventImpl(Container.java:2019)
        at java.awt.Component.dispatchEvent(Component.java:3781)
        at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.ja
va:1804)
        at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeybo
ardFocusManager.java:836)
        at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFoc
usManager.java:526)
        at java.awt.Component.dispatchEventImpl(Component.java:3819)
        at java.awt.Container.dispatchEventImpl(Container.java:2019)
        at java.awt.Component.dispatchEvent(Component.java:3781)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:234)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)

        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)

        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)

To reproduce:
Running Java2D by using java -jar Java2D/*.jar
click Mix button, you will see the exceptions;