eference Queue Daemon" daemon prio=3 tid=0x09b8f000 nid=0xf runnable [0xacfff000..0xacfffae0]
   java.lang.Thread.State: RUNNABLE
	at sun.reflect.Reflection.getClassAccessFlags(Native Method)
	at sun.reflect.Reflection.quickCheckMemberAccess(Reflection.java:51)
	at java.lang.reflect.Method.invoke(Method.java:576)
	at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:442)
	at $Proxy22.equals(Unknown Source)
	at java.util.concurrent.ConcurrentLinkedQueue.remove(ConcurrentLinkedQueue.java:348)
	at org.netbeans.modules.java.source.usages.ClassIndexManager.removeClassIndexManagerListener(ClassIndexManager.java:88)
	at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.openide.util.WeakListenerImpl$ListenerReference.run(WeakListenerImpl.java:587)
	at org.openide.util.lookup.implspi.ActiveQueue$Impl.run(ActiveQueue.java:73)
	at java.lang.Thread.run(Thread.java:619)