java.lang.IllegalStateException: WARNING: Going from readAccess to writeAccess, see #10778: http://www.netbeans.org/issues/show_bug.cgi?id=10778 
	at org.openide.util.Mutex.enter(Mutex.java:436)
	at org.openide.util.Mutex.writeEnter(Mutex.java:388)
	at org.openide.util.Mutex.access$100(Mutex.java:67)
	at org.openide.util.Mutex$Privileged.enterWriteAccess(Mutex.java:1204)
	at org.openide.nodes.FilterNode.changeOriginal(FilterNode.java:327)
	at org.netbeans.modules.java.environment.LibraryProcessor.access$000(LibraryProcessor.java:37)
	at org.netbeans.modules.java.environment.LibraryProcessor$1.run(LibraryProcessor.java:99)
	at org.openide.util.Mutex.doEvent(Mutex.java:904)
	at org.openide.util.Mutex.writeAccess(Mutex.java:318)
	at org.netbeans.modules.java.environment.LibraryProcessor.attachTo(LibraryProcessor.java:97)
	at org.openide.loaders.XMLDataObject$InfoLkp$InfoPair.getInstance(XMLDataObject.java:1752)
	at org.openide.util.lookup.AbstractLookup.lookup(AbstractLookup.java:298)
	at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:140)
	at org.openide.loaders.XMLDataObject$InfoParser.lookupCookie(XMLDataObject.java:1091)
	at org.openide.loaders.XMLDataObject.getCookie(XMLDataObject.java:268)
	at org.netbeans.modules.xml.core.XMLDataObject.getCookie(XMLDataObject.java:171)
	at org.openide.loaders.DataNode.getCookie(DataNode.java:293)
	at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:61)
	at org.openide.nodes.NodeLookup.beforeLookup(NodeLookup.java:93)
	at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:734)
	at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.updateLookup(FilterNode.java:1436)
	at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.checkResult(FilterNode.java:1428)
	at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:1490)
	at org.openide.nodes.Node$LookupEventList.init(Node.java:1323)
	at org.openide.nodes.Node.internalLookup(Node.java:176)
	at org.openide.nodes.Node.getLookup(Node.java:637)
	at org.openide.windows.DefaultTopComponentLookup.updateLookups(DefaultTopComponentLookup.java:86)
	at org.openide.windows.TopComponent.setActivatedNodes(TopComponent.java:241)
	at org.openide.explorer.ExplorerPanel$PropL.propertyChange(ExplorerPanel.java:340)
	at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:131)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:252)
	at org.openide.explorer.ExplorerManager.setSelectedNodes(ExplorerManager.java:219)
	at org.openide.explorer.ExplorerManager.setSelectedNodes1(ExplorerManager.java:355)
	at org.openide.explorer.ExplorerManager.setExploredContextAndSelection(ExplorerManager.java:305)
	at org.openide.explorer.view.BeanTreeView.selectionChanged(BeanTreeView.java:88)
	at org.openide.explorer.view.TreeView.callSelectionChanged(TreeView.java:611)
	at org.openide.explorer.view.TreeView$TreePropertyListener.run(TreeView.java:963)
	at org.openide.util.Mutex.postRequest(Mutex.java:867)
	at org.openide.util.Mutex.postReadRequest(Mutex.java:347)
	at org.openide.explorer.view.TreeView$TreePropertyListener.valueChanged(TreeView.java:933)
	at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(DefaultTreeSelectionModel.java:629)
	at javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(DefaultTreeSelectionModel.java:1076)
	at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(DefaultTreeSelectionModel.java:287)
	at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPath(DefaultTreeSelectionModel.java:170)
	at javax.swing.JTree.setSelectionPath(JTree.java:1168)
	at javax.swing.plaf.basic.BasicTreeUI.selectPathForEvent(BasicTreeUI.java:2192)
	at javax.swing.plaf.basic.BasicTreeUI$MouseHandler.handleSelection(BasicTreeUI.java:2840)
	at javax.swing.plaf.basic.BasicTreeUI$MouseHandler.mousePressed(BasicTreeUI.java:2801)
	at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:222)
	at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:221)
	at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:221)
	at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:221)
	at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:221)
	at java.awt.Component.processMouseEvent(Component.java:5097)
	at java.awt.Component.processEvent(Component.java:4897)
	at java.awt.Container.processEvent(Container.java:1569)
	at java.awt.Component.dispatchEventImpl(Component.java:3615)
	at java.awt.Container.dispatchEventImpl(Container.java:1627)
	at java.awt.Component.dispatchEvent(Component.java:3477)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3195)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)
	at java.awt.Container.dispatchEventImpl(Container.java:1613)
	at java.awt.Window.dispatchEventImpl(Window.java:1606)
	at java.awt.Component.dispatchEvent(Component.java:3477)
[catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)