com.sun.jdi.VMDisconnectedException
        at com.sun.tools.jdi.TargetVM.waitForReply(TargetVM.java:285)
        at com.sun.tools.jdi.VirtualMachineImpl.waitForTargetReply(VirtualMachineImpl.java:1015)
        at com.sun.tools.jdi.PacketStream.waitForReply(PacketStream.java:51)
        at com.sun.tools.jdi.JDWP$ThreadGroupReference$Children.waitForReply(JDWP.java:5903)
        at com.sun.tools.jdi.JDWP$ThreadGroupReference$Children.process(JDWP.java:5884)
        at com.sun.tools.jdi.ThreadGroupReferenceImpl.kids(ThreadGroupReferenceImpl.java:107)
        at com.sun.tools.jdi.ThreadGroupReferenceImpl.threads(ThreadGroupReferenceImpl.java:124)
        at org.netbeans.modules.debugger.jpda.models.ThreadsCache.initGroups(ThreadsCache.java:124)
        at org.netbeans.modules.debugger.jpda.models.ThreadsCache.initGroups(ThreadsCache.java:128)
        at org.netbeans.modules.debugger.jpda.models.ThreadsCache.init(ThreadsCache.java:111)
        at org.netbeans.modules.debugger.jpda.models.ThreadsCache.setVirtualMachine(ThreadsCache.java:103)
        at org.netbeans.modules.debugger.jpda.models.ThreadsCache.<init>(ThreadsCache.java:88)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.getThreadsCache(JPDADebuggerImpl.java:1304)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.getAllThreads(JPDADebuggerImpl.java:1326)
        at org.netbeans.modules.debugger.jpda.ThreadsCollectorImpl.getAllThreads(ThreadsCollectorImpl.java:76)
        at org.netbeans.modules.debugger.jpda.ThreadsCollectorImpl.<init>(ThreadsCollectorImpl.java:69)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.getThreadsCollector(JPDADebuggerImpl.java:1715)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.getThreadsCollector(JPDADebuggerImpl.java:135)
        at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener$AllThreadsAnnotator.<init>(CurrentThreadAnnotationListener.java:381)
        at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener.updateCurrentDebugger(CurrentThreadAnnotationListener.java:140)
        at org.netbeans.modules.debugger.jpda.ui.CurrentThreadAnnotationListener.propertyChange(CurrentThreadAnnotationListener.java:101)
        at org.netbeans.api.debugger.DebuggerManager.firePropertyChange(DebuggerManager.java:676)
        at org.netbeans.api.debugger.DebuggerManager.setCurrentSession(DebuggerManager.java:470)
        at org.netbeans.api.debugger.DebuggerManager.startDebugging(DebuggerManager.java:406)
        at org.netbeans.api.debugger.jpda.JPDADebugger.startListening(JPDADebugger.java:218)
        at org.netbeans.modules.debugger.jpda.ant.JPDAStart$1.run(JPDAStart.java:410)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)