Since I switched to 3.5 I've repeatedly received an ArrayIndexOutOfBoundsException. 
The exception appears to be associated with my trying to open source files from the 
project menu or open the source editor when it is minimized/closed/hidden.  Here is 
the error from my log file:

*********** Exception occurred ************ at Tue Jul 29 15:03:39 CDT 2003
java.lang.ArrayIndexOutOfBoundsException: 0
	at apple.laf.AquaTabbedPaneUI.isTabVisible(AquaTabbedPaneUI.java:1561)
	at 
apple.laf.AquaTabbedPaneUI$AquaTabSelectionHandler.stateChanged(AquaTabbedPane
UI.java:1479)
	at javax.swing.JTabbedPane.fireStateChanged(JTabbedPane.java:287)
	at javax.swing.JTabbedPane$ModelListener.stateChanged(JTabbedPane.java:219)
	at 
javax.swing.DefaultSingleSelectionModel.fireStateChanged(DefaultSingleSelectionModel.
java:116)
	at 
javax.swing.DefaultSingleSelectionModel.setSelectedIndex(DefaultSingleSelectionModel.j
ava:50)
	at javax.swing.JTabbedPane.setSelectedIndexImpl(JTabbedPane.java:468)
	at javax.swing.JTabbedPane.setSelectedIndex(JTabbedPane.java:461)
	at javax.swing.JTabbedPane.insertTab(JTabbedPane.java:573)
	at javax.swing.JTabbedPane.addTab(JTabbedPane.java:607)
	at 
org.netbeans.core.windows.frames.SplitContainerImpl.addTCIntoTab(SplitContainerImpl
.java:596)
	at 
org.netbeans.core.windows.frames.SplitContainerImpl.attachComponents(SplitContainer
Impl.java:322)
	at 
org.netbeans.core.windows.frames.DefaultContainerImpl.setAttached(DefaultContainerI
mpl.java:801)
	at 
org.netbeans.core.windows.frames.SplitContainerImpl.setAttached(SplitContainerImpl.ja
va:1000)
	at org.netbeans.core.windows.ModeImpl.setVisible(ModeImpl.java:1369)
	at 
org.netbeans.core.windows.WorkspaceVisibilityManager.setModesVisibility(WorkspaceVi
sibilityManager.java:481)
	at 
org.netbeans.core.windows.WorkspaceVisibilityManager.processModes(WorkspaceVisibil
ityManager.java:381)
	at 
org.netbeans.core.windows.WorkspaceVisibilityManager.doSetVisible(WorkspaceVisibilit
yManager.java:187)
	at 
org.netbeans.core.windows.WorkspaceVisibilityManager.setVisible(WorkspaceVisibilityM
anager.java:101)
	at org.netbeans.core.windows.WorkspaceImpl.setVisible(WorkspaceImpl.java:864)
	at org.netbeans.core.windows.WorkspaceImpl.setVisible(WorkspaceImpl.java:854)
	at 
org.netbeans.core.windows.MainWindow$IconifyManager.windowDeiconified(MainWindo
w.java:378)
	at java.awt.AWTEventMulticaster.windowDeiconified(AWTEventMulticaster.java:317)
	at java.awt.AWTEventMulticaster.windowDeiconified(AWTEventMulticaster.java:317)
	at java.awt.Window.processWindowEvent(Window.java:1111)
	at javax.swing.JFrame.processWindowEvent(JFrame.java:266)
	at 
org.netbeans.core.windows.MainWindow.processWindowEvent(MainWindow.java:336)
	at java.awt.Window.processEvent(Window.java:1061)
	at java.awt.Component.dispatchEventImpl(Component.java:3598)
	at java.awt.Container.dispatchEventImpl(Container.java:1623)
	at java.awt.Window.dispatchEventImpl(Window.java:1585)
	at java.awt.Component.dispatchEvent(Component.java:3439)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:450)
[catch] at 
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:23
0)
	at 
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:183)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)