Running application which uses AWT on a dual processor machine,
after opening and closing the window several times (maybe 10 times)
the application will eventually hang, usually in WGraphics.setColor(),
(but sometimes in WGraphics.clipRect())
Test case is attached.
A thread dump follows:
Full thread dump:
    "AWT-Finalizer" (TID:0xf9a670, sys_thread_t:0x8ade40, Win32ID:0x1bd, state:CW) prio=8
        java.lang.Object.wait(Compiled Code)
        sun.awt.AWTFinalizer.run(Compiled Code)
    "Screen Updater" (TID:0xf79bd8, sys_thread_t:0x899390, Win32ID:0x1af, state:CW) prio=4
        java.lang.Object.wait(Compiled Code)
        sun.awt.ScreenUpdater.nextEntry(Compiled Code)
        sun.awt.ScreenUpdater.run(Compiled Code)
    "AWT-Windows" (TID:0xf77250, sys_thread_t:0x898550, Win32ID:0xbe, state:R) prio=5
        sun.awt.windows.WToolkit.run(WToolkit.java:98)
        java.lang.Thread.run(Compiled Code)
    "AWT-EventQueue-0" (TID:0xf77328, sys_thread_t:0x89d8a0, Win32ID:0xda, state:R) prio=5
        sun.awt.windows.WGraphics.setColor(Compiled Code)
        sun.awt.windows.WComponentPeer.getGraphics(Compiled Code)
        java.awt.Component.getGraphics(Compiled Code)
        sun.awt.windows.WComponentPeer.handleEvent(Compiled Code)
        java.awt.Component.dispatchEventImpl(Compiled Code)
        java.awt.Container.dispatchEventImpl(Compiled Code)
        java.awt.Component.dispatchEvent(Compiled Code)
        java.awt.EventDispatchThread.run(Compiled Code)
    "TimerQueue" (TID:0xf74c38, sys_thread_t:0x8976f0, Win32ID:0x19c, state:CW) prio=5
        javax.swing.TimerQueue.run(Compiled Code)
        java.lang.Thread.run(Compiled Code)
    "Finalizer thread" (TID:0xf70088, sys_thread_t:0x887240, Win32ID:0x13e, state:CW) prio=2
    "main" (TID:0xf700b0, sys_thread_t:0x88f7d0, Win32ID:0x19a, state:CW) prio=5

Monitor Cache Dump:
    sun.awt.AWTFinalizer@F9A670/FCE200: <unowned>
        Waiters: 1
    javax.swing.TimerQueue@F74C40/FC6178: <unowned>
        Waiters: 1
    sun.awt.windows.WPanelPeer@F8C020/100BAA8: owner "AWT-EventQueue-0" (0x89d8a0, 1 entry)
    sun.awt.ScreenUpdater@F79BD8/FDE1A0: <unowned>
        Waiters: 1
Registered Monitor Dump:
    SymcJIT Method Monitor: <unowned>
    SymcJIT Method Monitor: <unowned>
    SymcJIT Method Monitor: <unowned>
    SymcJIT Method List Monitor: <unowned>
    SymcJIT Fixups Allocation: <unowned>
    SymcJIT Code Allocation: <unowned>
    SymcJIT Data Allocation: <unowned>
    Thread queue lock: <unowned>
        Waiters: 1
    Name and type hash table lock: <unowned>
    String intern lock: <unowned>
    JNI pinning lock: <unowned>
    JNI global reference lock: <unowned>
    BinClass lock: <unowned>
    Class loading lock: <unowned>
    Java stack lock: <unowned>
    Code rewrite lock: <unowned>
    Heap lock: <unowned>
    Has finalization queue lock: <unowned>
    Finalize me queue lock: <unowned>