java.lang.AssertionError: map.size()=5 entries.size()=3
   at org.openide.nodes.EntrySupportDefault.checkConsistency(EntrySupportDefault.java:247)
   at org.openide.nodes.EntrySupportDefault.setEntries(EntrySupportDefault.java:279)
   at org.openide.nodes.EntrySupport.setEntries(EntrySupport.java:83)
   at org.openide.nodes.Children$Keys$2.run(Children.java:1556)
   at org.openide.util.Mutex$1Exec.run(Mutex.java:1246)
   at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1921)
   at org.openide.util.Mutex.postRequest(Mutex.java:1252)
   at org.openide.util.Mutex.postRequest(Mutex.java:1215)
   at org.openide.util.Mutex.postWriteRequest(Mutex.java:587)
   at org.openide.nodes.Children$Keys.applyKeys(Children.java:1565)
   at org.openide.nodes.Children$Keys.setKeys(Children.java:1509)
   at org.openide.nodes.AsynchChildren.run(AsynchChildren.java:224)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError: map.size()=5 entries.size()=3
   at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1473)
   at org.openide.nodes.AsynchChildren.refresh(AsynchChildren.java:133)
   at org.openide.nodes.ChildFactory.refresh(ChildFactory.java:167)
   at org.netbeans.modules.maven.nodes.DependenciesNode$DependenciesChildren.stateChanged(DependenciesNode.java:166)
   at org.openide.util.WeakListenerImpl$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.maven.nodes.DependenciesNode$DependenciesSet.propertyChange(DependenciesNode.java:227)
   at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:196)
   at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
   at org.netbeans.modules.maven.api.NbMavenProject.doFireReload(NbMavenProject.java:537)
   at org.netbeans.modules.maven.api.NbMavenProject.access$200(NbMavenProject.java:93)
   at org.netbeans.modules.maven.api.NbMavenProject$AccessorImpl.doFireReload(NbMavenProject.java:135)
   at org.netbeans.modules.maven.NbMavenProjectImpl.fireProjectReload(NbMavenProjectImpl.java:452)
   at org.netbeans.modules.maven.problems.ProblemReporterImpl$1.run(ProblemReporterImpl.java:144)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042)