java.lang.AssertionError: Entries: 3; vis. entries: 3; Infos: 3
   at org.openide.nodes.EntrySupport$Lazy.setEntries(EntrySupport.java:1355)
   at org.openide.nodes.FilterNode$Children$LazySupport.updateEntries(FilterNode.java:1828)
   at org.openide.nodes.FilterNode$Children$LazySupport.filterChildrenAdded(FilterNode.java:1784)
   at org.openide.nodes.FilterNode$Children.filterChildrenAdded(FilterNode.java:1574)
   at org.openide.nodes.FilterNode$ChildrenAdapter.childrenAdded(FilterNode.java:1962)
   at org.openide.nodes.Node.fireSubNodesChangeIdx(Node.java:1150)
   at org.openide.nodes.EntrySupport$Lazy.fireSubNodesChangeIdx(EntrySupport.java:1515)
   at org.openide.nodes.EntrySupport$Lazy.setEntries(EntrySupport.java:1422)
   at org.openide.nodes.Children$Keys$2.run(Children.java:1542)
   at org.openide.util.Mutex.postRequest(Mutex.java:1267)
   at org.openide.util.Mutex.postRequest(Mutex.java:1213)
   at org.openide.util.Mutex.postWriteRequest(Mutex.java:585)
   at org.openide.nodes.Children$Keys.applyKeys(Children.java:1551)
   at org.openide.nodes.Children$Keys.setKeys(Children.java:1495)
   at org.openide.loaders.FolderChildren.access$500(FolderChildren.java:68)
   at org.openide.loaders.FolderChildren$1R.run(FolderChildren.java:172)
   at org.openide.util.Mutex$1Exec.run(Mutex.java:1244)
   at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1907)
   at org.openide.util.Mutex.postRequest(Mutex.java:1250)
   at org.openide.util.Mutex.postRequest(Mutex.java:1213)
   at org.openide.util.Mutex.postWriteRequest(Mutex.java:585)
   at org.openide.loaders.FolderChildren$1R.run(FolderChildren.java:145)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1960)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError: Entries: 3; vis. entries: 3; Infos: 3
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:421)
   at org.openide.loaders.FolderChildren.refreshChildren(FolderChildren.java:194)
   at org.openide.loaders.FolderChildren.stateChanged(FolderChildren.java:134)
   at org.openide.util.WeakListenerImpl$Change.stateChanged(WeakListenerImpl.java:329)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
   at org.netbeans.modules.project.ui.PhysicalView$VisibilityQueryDataFilter$1.run(PhysicalView.java:170)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:138)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)