com.sun.jdi.ObjectCollectedException
        at com.sun.tools.jdi.JDWPException.toJDIException(JDWPException.java:27)
        at com.sun.tools.jdi.ThreadReferenceImpl.jdwpStatus(ThreadReferenceImpl.java:191)
        at com.sun.tools.jdi.ThreadReferenceImpl.isSuspended(ThreadReferenceImpl.java:201)
        at org.netbeans.modules.debugger.jpda.models.JPDAThreadImpl.<init>(JPDAThreadImpl.java:111)
        at org.netbeans.modules.debugger.jpda.models.ObjectTranslation.createTranslation(ObjectTranslation.java:102)
        at org.netbeans.modules.debugger.jpda.models.ObjectTranslation.translate(ObjectTranslation.java:172)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.getThread(JPDADebuggerImpl.java:1344)
        at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl$3.propertyChange(JPDADebuggerImpl.java:1305)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
        at org.netbeans.modules.debugger.jpda.models.ThreadsCache.exec(ThreadsCache.java:235)
        at org.netbeans.modules.debugger.jpda.util.Operator$1.run(Operator.java:259)
        at java.lang.Thread.run(Thread.java:637)