com.sun.jdi.VMMismatchException: instance of java.lang.Thread(name='http--127.0.0.1-8080-1', id=24) at com.sun.tools.jdi.MirrorImpl.validateMirror(MirrorImpl.java:68) at com.sun.tools.jdi.ObjectReferenceImpl.invokeMethod(ObjectReferenceImpl.java:365) at org.netbeans.modules.debugger.jpda.jdi.ObjectReferenceWrapper.invokeMethod(ObjectReferenceWrapper.java:510) at org.netbeans.modules.debugger.jpda.expr.TreeEvaluator.invokeVirtual(TreeEvaluator.java:265) at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.invokeMethod(JPDADebuggerImpl.java:1060) at org.netbeans.modules.debugger.jpda.JPDADebuggerImpl.invokeMethod(JPDADebuggerImpl.java:1007) at org.netbeans.modules.debugger.jpda.expr.InvocationExceptionTranslated.getMessage(InvocationExceptionTranslated.java:123) at org.netbeans.api.debugger.jpda.InvalidExpressionException.getMessage(InvalidExpressionException.java:80) at java.lang.Throwable.getLocalizedMessage(Throwable.java:391) at org.netbeans.modules.debugger.jpda.models.JPDAWatchImpl.(JPDAWatchImpl.java:116) at org.netbeans.modules.debugger.jpda.models.WatchesModel$JPDAWatchEvaluating.getValue(WatchesModel.java:455) at org.netbeans.modules.debugger.jpda.models.WatchesModel$JPDAWatchEvaluating.getType(WatchesModel.java:392) at org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilter.getFilter(VariablesTreeModelFilter.java:652) at org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilter.access$400(VariablesTreeModelFilter.java:124) at org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilter$3.run(VariablesTreeModelFilter.java:361) at org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilter.run(VariablesTreeModelFilter.java:259) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042) Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: com.sun.jdi.VMMismatchException: instance of java.lang.Thread(name='http--127.0.0.1-8080-1', id=24) at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1473) at org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilter.postEvaluationMonitor(VariablesTreeModelFilter.java:240) at org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilter.getFilter(VariablesTreeModelFilter.java:646) at org.netbeans.modules.debugger.jpda.ui.models.VariablesTreeModelFilter.isLeaf(VariablesTreeModelFilter.java:358) at org.netbeans.spi.viewmodel.Models$CompoundTreeModel.isLeaf(Models.java:979) at org.netbeans.modules.debugger.jpda.models.PendingActionsFilter.isLeaf(PendingActionsFilter.java:108) at org.netbeans.spi.viewmodel.Models$CompoundTreeModel.isLeaf(Models.java:979) at org.netbeans.spi.viewmodel.Models$CompoundModel.isLeaf(Models.java:4431) at org.netbeans.modules.viewmodel.TreeModelNode.refreshTheChildren(TreeModelNode.java:989) at org.netbeans.modules.viewmodel.TreeModelNode.refreshTheChildren(TreeModelNode.java:975) at org.netbeans.modules.viewmodel.TreeModelNode$5.run(TreeModelNode.java:603) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:241) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:727) at java.awt.EventQueue.access$200(EventQueue.java:103) at java.awt.EventQueue$3.run(EventQueue.java:688) at java.awt.EventQueue$3.run(EventQueue.java:686) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:697) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)