com.sun.jdi.InternalException: Unexpected JDWP Error: 35
        at com.sun.tools.jdi.JDWPException.toJDIException(JDWPException.java:47)
        at com.sun.tools.jdi.StackFrameImpl.thisObject(StackFrameImpl.java:126)
        at org.netbeans.modules.debugger.jpda.JPDACallStackFrame.getVariables(JPDACallStackFrame.java:220)
        at org.netbeans.modules.debugger.support.java.ModifiersFilter.getVariables(ModifiersFilter.java:74)
        at org.netbeans.modules.debugger.support.java.JavaVariablesFilter.getVariables(JavaVariablesFilter.java:89)
        at org.netbeans.modules.debugger.support.java.nodes.JavaVariablesRootNode$VariablesRootChildren.validate(JavaVariablesRootNode.java:166)
        at org.netbeans.modules.debugger.support.java.nodes.JavaVariablesRootNode$VRListener.propertyChange(JavaVariablesRootNode.java:280)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:305)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:242)
        at org.netbeans.modules.debugger.support.java.JavaThread.firePropertyChange(JavaThread.java:386)
        at org.netbeans.modules.debugger.jpda.JPDAThread.refreshStack(JPDAThread.java:656)
        at org.netbeans.modules.debugger.jpda.ThreadManager.refreshStacks(ThreadManager.java:195)
        at org.netbeans.modules.debugger.jpda.JPDADebugger.updateUINow(JPDADebugger.java:861)
        at org.netbeans.modules.debugger.support.java.JavaDebugger$2.run(JavaDebugger.java:520)
        at org.openide.util.Task.run(Task.java:136)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:686)