Load this applet, reload browser a few times, sometimes you will get a deadlock and applet won't be displayed:

http://spbweb.russia.sun.com/~in81039/custom/Reversi2/reversi2.html


Found one Java-level deadlock:
=============================
"JFXIC-Ping Thread":
  waiting to lock monitor 0x033b23f4 (object 0x236214f8, a sun.plugin2.applet.JNLP2ClassLoader),
  which is held by "AWT-EventQueue-6"
"AWT-EventQueue-6":
  waiting to lock monitor 0x0c94359c (object 0x236215b8, a sun.plugin2.applet.JNLP2ClassLoader),
  which is held by "Thread-29"
"Thread-29":
  waiting to lock monitor 0x033b23f4 (object 0x236214f8, a sun.plugin2.applet.JNLP2ClassLoader),
  which is held by "AWT-EventQueue-6"

Java stack information for the threads listed above:
===================================================
"JFXIC-Ping Thread":
at com.sun.javafx.eula.Ping.getVisitorID(Unknown Source)
at com.sun.javafx.eula.Ping.access$000(Unknown Source)
at com.sun.javafx.eula.Ping$1.run(Unknown Source)
"AWT-EventQueue-6":
at java.lang.ClassLoader.loadClass(Unknown Source)
- waiting to lock <0x236215b8> (a sun.plugin2.applet.JNLP2ClassLoader)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.JNLP2ClassLoader.findClass(JNLP2ClassLoader.java:340)
- locked <0x236214f8> (a sun.plugin2.applet.JNLP2ClassLoader)
at java.lang.ClassLoader.loadClass(Unknown Source)
- locked <0x236214f8> (a sun.plugin2.applet.JNLP2ClassLoader)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at com.sun.javafx.runtime.adapter.AppletStartupRoutine.run(Unknown Source)
at com.sun.javafx.tk.swing.SwingToolkit$StartupRoutine.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
"Thread-29":
at java.lang.ClassLoader.loadClass(Unknown Source)
- waiting to lock <0x236214f8> (a sun.plugin2.applet.JNLP2ClassLoader)
at java.lang.ClassLoader.loadClass(Unknown Source)
- locked <0x236215b8> (a sun.plugin2.applet.JNLP2ClassLoader)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.defineClassHelper(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.access$100(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Plugin2ClassLoader.findClassHelper(Unknown Source)
at sun.plugin2.applet.JNLP2ClassLoader.findClass(JNLP2ClassLoader.java:320)
at java.lang.ClassLoader.loadClass(Unknown Source)
- locked <0x236215b8> (a sun.plugin2.applet.JNLP2ClassLoader)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.JNLP2Manager$4.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

Found 1 deadlock.