"AWT-EventQueue-0" prio=5 tid=0x00007fbbda1b0000 nid=0xd30b runnable [0x0000000124192000]
   java.lang.Thread.State: RUNNABLE
	at java.util.WeakHashMap.getTable(WeakHashMap.java:418)
	at java.util.WeakHashMap.get(WeakHashMap.java:465)
	at org.netbeans.modules.project.ant.AntBasedProjectFactorySingleton.getHelperFor(AntBasedProjectFactorySingleton.java:460)
	- locked <0x000000078165a940> (a java.util.WeakHashMap)
	at org.netbeans.modules.project.ant.ProjectLibraryProvider.getOpenAreas(ProjectLibraryProvider.java:189)
	at org.netbeans.modules.project.libraries.LibraryAccessor.getOpenAreas(LibraryAccessor.java:100)
	at org.netbeans.api.project.libraries.LibraryManager.getOpenManagers(LibraryManager.java:554)
	at org.netbeans.modules.java.project.ProjectProblemsProviders$ReferenceProblemProviderImpl.addLibraryManagerListener(ProjectProblemsProviders.java:1181)
	at org.netbeans.modules.java.project.ProjectProblemsProviders$ReferenceProblemProviderImpl.propertyChange(ProjectProblemsProviders.java:1108)
	at org.netbeans.modules.java.project.ProjectProblemsProviders$OpenManagersWeakListener.propertyChange(ProjectProblemsProviders.java:1397)
	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.api.project.libraries.LibraryManager$2.propertyChange(LibraryManager.java:108)
	at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
	at org.netbeans.modules.project.ant.ProjectLibraryProvider.configurationXmlChanged(ProjectLibraryProvider.java:245)
	at sun.reflect.GeneratedMethodAccessor187.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:461)
	at com.sun.proxy.$Proxy21.configurationXmlChanged(Unknown Source)
	at org.netbeans.spi.project.support.ant.AntProjectHelper$3.run(AntProjectHelper.java:522)
	at org.netbeans.spi.project.support.ant.AntProjectHelper$3.run(AntProjectHelper.java:517)
	at org.openide.util.Mutex.readAccess(Mutex.java:295)
	at org.netbeans.spi.project.support.ant.AntProjectHelper.fireChange(AntProjectHelper.java:517)
	at org.netbeans.spi.project.support.ant.AntProjectHelper.modifying(AntProjectHelper.java:543)
	at org.netbeans.spi.project.support.ant.AntProjectHelper.access$900(AntProjectHelper.java:117)
	at org.netbeans.spi.project.support.ant.AntProjectHelper$10.run(AntProjectHelper.java:985)
	- locked <0x00000007829f8cd0> (a java.util.HashSet)
	at org.netbeans.spi.project.support.ant.AntProjectHelper$10.run(AntProjectHelper.java:958)
	at org.openide.util.Mutex.writeAccess(Mutex.java:404)
	at org.netbeans.spi.project.support.ant.AntProjectHelper.putConfigurationFragment(AntProjectHelper.java:958)
	at org.netbeans.spi.project.support.ant.ExtensibleMetadataProviderImpl.putConfigurationFragment(ExtensibleMetadataProviderImpl.java:90)
	at org.netbeans.modules.projectapi.AuxiliaryConfigImpl$2.run(AuxiliaryConfigImpl.java:150)
	at org.netbeans.modules.projectapi.AuxiliaryConfigImpl$2.run(AuxiliaryConfigImpl.java:141)
	at org.openide.util.Mutex.writeAccess(Mutex.java:404)
	at org.netbeans.modules.projectapi.AuxiliaryConfigImpl.putConfigurationFragment(AuxiliaryConfigImpl.java:141)
	at org.netbeans.modules.project.ui.ProjectUtilities.storeProjectOpenFiles(ProjectUtilities.java:527)
	at org.netbeans.modules.project.ui.groups.Group.persistDocumentsInGroup(Group.java:371)
	at org.netbeans.modules.project.ui.groups.Group.onShutdown(Group.java:359)
	at org.netbeans.modules.project.ui.OpenProjectList.shutdown(OpenProjectList.java:1217)
	at org.netbeans.modules.project.ui.ProjectUiModule.close(ProjectUiModule.java:70)
	at org.netbeans.core.startup.NbInstaller.closeAsync(NbInstaller.java:743)
	at org.netbeans.ModuleManager.shutDownAsync(ModuleManager.java:1999)
	at org.netbeans.core.startup.ModuleSystem.shutDownAsync(ModuleSystem.java:349)
	at org.netbeans.core.NbLifeExit.doExit(NbLifeExit.java:137)
	at org.netbeans.core.NbLifeExit.run(NbLifeExit.java:94)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:745)
	at java.awt.EventQueue.access$300(EventQueue.java:103)
	at java.awt.EventQueue$3.run(EventQueue.java:706)
	at java.awt.EventQueue$3.run(EventQueue.java:704)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:715)
	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)