org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: AWT-EventQueue-0
   at org.netbeans.modules.web.inspect.webkit.WebKitPageModel.getNode(WebKitPageModel.java:620)
   at org.netbeans.modules.web.inspect.webkit.DOMNode$DOMChildren.createNodes(DOMNode.java:380)
   at org.netbeans.modules.web.inspect.webkit.DOMNode$DOMChildren.createNodes(DOMNode.java:333)
   at org.openide.nodes.Children$Keys$KE.nodes(Children.java:1662)
   at org.openide.nodes.ChildrenArray.nodesFor(ChildrenArray.java:149)
   at org.openide.nodes.EntrySupportDefault$Info.nodes(EntrySupportDefault.java:805)
   at org.openide.nodes.EntrySupportDefault.justComputeNodes(EntrySupportDefault.java:195)
   at org.openide.nodes.ChildrenArray.nodes(ChildrenArray.java:88)
   at org.openide.nodes.EntrySupportDefault.getNodes(EntrySupportDefault.java:130)
   at org.openide.nodes.EntrySupportDefault.snapshot(EntrySupportDefault.java:99)
   at org.openide.nodes.Children.snapshot(Children.java:532)
   at org.openide.explorer.view.TreeView.expandNode(TreeView.java:608)
   at org.netbeans.modules.web.inspect.ui.DomPanel.expandNodes(DomPanel.java:460)
   at org.netbeans.modules.web.inspect.ui.DomPanel.update(DomPanel.java:440)
   at org.netbeans.modules.web.inspect.ui.DomPanel.access$400(DomPanel.java:90)
   at org.netbeans.modules.web.inspect.ui.DomPanel$7$1.run(DomPanel.java:410)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
   at java.awt.EventQueue.access$200(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:694)
   at java.awt.EventQueue$3.run(EventQueue.java:692)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
Caused: org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: org.netbeans.modules.web.inspect.webkit.WebKitPageModel$RPInvocationHandler
Caused: org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: A deadlock was detected.
We suggest to restart the IDE to recover.
   at org.openide.nodes.ChildrenArray.nodesFor(ChildrenArray.java:132)
   at org.openide.nodes.EntrySupportDefault$Info.nodes(EntrySupportDefault.java:805)
   at org.openide.nodes.EntrySupportDefault.justComputeNodes(EntrySupportDefault.java:195)
   at org.openide.nodes.ChildrenArray.nodes(ChildrenArray.java:88)
   at org.openide.nodes.EntrySupportDefault.getNodes(EntrySupportDefault.java:130)
   at org.openide.nodes.EntrySupportDefault.getNodes(EntrySupportDefault.java:172)
   at org.openide.nodes.Children.getNodes(Children.java:469)
   at org.openide.nodes.Children.findChild(Children.java:414)
   at org.openide.nodes.EntrySupportDefault.getNodes(EntrySupportDefault.java:166)
   at org.openide.nodes.Children.getNodes(Children.java:501)
   at org.netbeans.modules.web.inspect.webkit.DOMNode$DOMChildren.updateKeys(DOMNode.java:375)
   at org.netbeans.modules.web.inspect.webkit.DOMNode.updateChildren(DOMNode.java:274)
   at org.netbeans.modules.web.inspect.webkit.DOMNode.updateChildren(DOMNode.java:260)
   at org.netbeans.modules.web.inspect.webkit.WebKitPageModel.updateNodes(WebKitPageModel.java:608)
   at org.netbeans.modules.web.inspect.webkit.WebKitPageModel.access$200(WebKitPageModel.java:81)
   at org.netbeans.modules.web.inspect.webkit.WebKitPageModel$DOMListener.childNodesSet(WebKitPageModel.java:345)
   at sun.reflect.GeneratedMethodAccessor97.invoke(GeneratedMethodAccessor97.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.netbeans.modules.web.inspect.webkit.WebKitPageModel$RPInvocationHandler.invoke0(WebKitPageModel.java:323)
   at org.netbeans.modules.web.inspect.webkit.WebKitPageModel$RPInvocationHandler$1.run(WebKitPageModel.java:301)
   at org.openide.util.RequestProcessor$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)