java.lang.NullPointerException
   at org.netbeans.modules.debugger.jpda.models.CallStackFrameImpl.getLineNumber(CallStackFrameImpl.java:165)
   at org.netbeans.modules.debugger.jpda.models.JPDAThreadImpl.getLineNumber(JPDAThreadImpl.java:285)
   at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.run(CurrentThreadAnnotationListener.java:653)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NullPointerException
   at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1466)
   at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.annotate(CurrentThreadAnnotationListener.java:601)
   at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.annotate(CurrentThreadAnnotationListener.java:580)
   at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.add(CurrentThreadAnnotationListener.java:543)
   at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.access$000(CurrentThreadAnnotationListener.java:519)
   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:2185)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.access$000(JPDADebuggerImpl.java:171)
   at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl$2.propertyChange(JPDADebuggerImpl.java:1891)
   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:1298)
   at org.netbeans.modules.debugger.jpda.actions.StartActionProvider.doStartDebugger(StartActionProvider.java:202)
   at org.netbeans.modules.debugger.jpda.actions.StartActionProvider.access$200(StartActionProvider.java:80)
   at org.netbeans.modules.debugger.jpda.actions.StartActionProvider$1.run(StartActionProvider.java:165)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1425)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:59)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:294)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2038)