When starting all applets in demo/applets at the same time with
tiger-rc-b63 (I haven't regressed it all the way back, but the bug
manifested on beta2 as well) a Multi-Processor unix (solaris or
linux) system, the following exception is sometimes thrown:
solaris-sparc (with XAWT toolkit):
Exception in thread "AWT-EventQueue-4" java.lang.IllegalArgumentException: null source
        at java.util.EventObject.<init>(EventObject.java:38)
        at java.awt.AWTEvent.<init>(AWTEvent.java:253)
        at java.awt.event.ComponentEvent.<init>(ComponentEvent.java:97)
        at java.awt.event.WindowEvent.<init>(WindowEvent.java:179)
        at java.awt.event.WindowEvent.<init>(WindowEvent.java:219)
        at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:616)
        at java.awt.Component.dispatchEventImpl(Component.java:3841)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Window.dispatchEventImpl(Window.java:1766)
        at java.awt.Component.dispatchEvent(Component.java:3803)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.SentEvent.dispatch(SentEvent.java:50)
        at java.awt.DefaultKeyboardFocusManager$DefaultKeyboardFocusManagerSentEvent.dispatch(DefaultKeyboardFocusManager.java:161)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.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)

linux-i586: same as above, plus:
Exception in thread "AWT-EventQueue-21" java.util.NoSuchElementException
        at java.util.LinkedList.getFirst(LinkedList.java:109)
        at java.awt.SequencedEvent.getFirst(SequencedEvent.java:128)
        at java.awt.SequencedEvent.dispatch(SequencedEvent.java:68)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.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 run all demo applets at the same time:
 #>cd <j2se>/demo/applets
 #>../../bin/appletviewer */*.html
Note that you may need to run it several times, the exceptions are intermittent.

Note that on Solaris the problem is more easily reproduced when using
XAWT toolkit, probably because it takes too long for motif version to start up.

I haven't been able to reproduce this bug on windows.

###@###.### 2004-09-07