java.lang.NullPointerException
	at com.sun.org.apache.xerces.internal.dom.ParentNode.nodeListGetLength(ParentNode.java:729)
	at com.sun.org.apache.xerces.internal.dom.ParentNode.getLength(ParentNode.java:757)
	at org.netbeans.modules.project.ant.Util.findElement(Util.java:48)
	at org.netbeans.spi.project.support.ant.AntProjectHelper.getConfigurationFragment(AntProjectHelper.java:617)
	at org.netbeans.spi.project.support.ant.AntProjectHelper.getPrimaryConfigurationData(AntProjectHelper.java:540)
	at org.netbeans.modules.java.j2seproject.J2SEProject$2.run(J2SEProject.java:239)
	at org.openide.util.Mutex.readAccess(Mutex.java:178)
	at org.netbeans.modules.java.j2seproject.J2SEProject.getName(J2SEProject.java:237)
	at org.netbeans.modules.java.j2seproject.J2SEProject$Info.getDisplayName(J2SEProject.java:296)
	at org.netbeans.modules.java.j2seproject.ui.J2SEPhysicalViewProvider$J2SELogicalViewRootNode.<init>(J2SEPhysicalViewProvider.java:155)
	at org.netbeans.modules.java.j2seproject.ui.J2SEPhysicalViewProvider.createLogicalView(J2SEPhysicalViewProvider.java:86)
	at org.netbeans.modules.project.ui.ProjectsRootNode$ProjectChildren.createNodes(ProjectsRootNode.java:234)
	at org.openide.nodes.Children$Keys$KE.nodes(Children.java:1971)
	at org.openide.nodes.ChildrenArray.nodesFor(ChildrenArray.java:112)
	at org.openide.nodes.Children$Info.nodes(Children.java:1068)
	at org.openide.nodes.Children.justComputeNodes(Children.java:574)
	at org.openide.nodes.ChildrenArray.nodes(ChildrenArray.java:54)
	at org.openide.nodes.Children.getNodes(Children.java:324)
	at org.openide.nodes.Children.findChild(Children.java:264)
	at org.openide.nodes.NodeOp.findChild(NodeOp.java:210)
	at org.openide.nodes.NodeOp.findPath(NodeOp.java:228)
	at org.openide.nodes.NodeOp.findPath(NodeOp.java:256)
	at org.netbeans.modules.project.ui.ProjectTab$ProjectTreeView.stringPath2TreePath(ProjectTab.java:512)
	at org.netbeans.modules.project.ui.ProjectTab$ProjectTreeView.expandNodes(ProjectTab.java:497)
	at org.netbeans.modules.project.ui.ProjectTab.readExternal(ProjectTab.java:272)
	at org.openide.windows.TopComponent$Replacer.readObject(TopComponent.java:1073)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:919)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1813)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1713)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1299)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:339)
	at org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.readSerial(XMLSettingsSupport.java:514)
	at org.netbeans.modules.settings.convertors.XMLSettingsSupport$SettingsRecognizer.instanceCreate(XMLSettingsSupport.java:542)
	at org.netbeans.modules.settings.convertors.SerialDataConvertor$SettingsInstance.instanceCreate(SerialDataConvertor.java:347)
	at org.netbeans.core.windows.persistence.PersistenceManager.getTopComponentPersistentForID(PersistenceManager.java:423)
	at org.netbeans.core.windows.persistence.PersistenceManager.getTopComponentForID(PersistenceManager.java:534)
	at org.netbeans.core.windows.PersistenceHandler.getTopComponentForID(PersistenceHandler.java:348)
	at org.netbeans.core.windows.PersistenceHandler.load(PersistenceHandler.java:93)
	at org.netbeans.core.windows.WindowSystemImpl.load(WindowSystemImpl.java:39)
[catch] at org.netbeans.core.Main$5.run(Main.java:266)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)