java.lang.UnsupportedOperationException
   at com.sun.tools.jdi.JDWPException.toJDIException(JDWPException.java:56)
   at com.sun.tools.jdi.ThreadReferenceImpl.frameCount(ThreadReferenceImpl.java:344)
   at org.netbeans.modules.debugger.jpda.jdi.ThreadReferenceWrapper.frameCount0(ThreadReferenceWrapper.java:216)
   at org.netbeans.modules.debugger.jpda.models.JPDAThreadImpl.getLineNumber(JPDAThreadImpl.java:282)
   at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.run(CurrentThreadAnnotationListener.java:662)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.UnsupportedOperationException
   at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1495)
   at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.annotate(CurrentThreadAnnotationListener.java:610)
   at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.annotate(CurrentThreadAnnotationListener.java:589)
   at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.add(CurrentThreadAnnotationListener.java:552)
   at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.access$000(CurrentThreadAnnotationListener.java:516)
   at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener.propertyChange(CurrentThreadAnnotationListener.java:124)
   at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.firePropertyChange(JPDADebuggerImpl.java:1985)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.access$000(JPDADebuggerImpl.java:163)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl$2.propertyChange(JPDADebuggerImpl.java:1753)
   at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
   at org.netbeans.modules.debugger.jpda.models.ThreadsCache.setVirtualMachine(ThreadsCache.java:164)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.setRunning(JPDADebuggerImpl.java:1189)
   at org.netbeans.modules.debugger.jpda.actions.StartActionProvider.doStartDebugger(StartActionProvider.java:199)
   at org.netbeans.modules.debugger.jpda.actions.StartActionProvider.access$200(StartActionProvider.java:81)
   at org.netbeans.modules.debugger.jpda.actions.StartActionProvider$1.run(StartActionProvider.java:162)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1454)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2036)