java.lang.IllegalStateException: The model is not initialized or is broken.
        at org.netbeans.modules.xml.xdm.XDMModel.checkStableOrParsingState(XDMModel.java:987)
        at org.netbeans.modules.xml.xdm.XDMModel.getDocument(XDMModel.java:829)
        at org.netbeans.modules.xml.xdm.nodes.NodeImpl.getNamespaceURI(NodeImpl.java:601)
        at org.netbeans.modules.maven.model.pom.impl.POMComponentFactoryImpl.getQName(POMComponentFactoryImpl.java:63)
        at org.netbeans.modules.maven.model.pom.impl.POMComponentFactoryImpl.create(POMComponentFactoryImpl.java:81)
        at org.netbeans.modules.maven.model.pom.impl.POMComponentFactoryImpl.create(POMComponentFactoryImpl.java:51)
        at org.netbeans.modules.maven.model.pom.impl.POMComponentImpl.populateChildren(POMComponentImpl.java:87)
        at org.netbeans.modules.xml.xam.AbstractComponent._getChildren(AbstractComponent.java:180)
        at org.netbeans.modules.xml.xam.AbstractComponent.getChildren(AbstractComponent.java:196)
        at org.netbeans.modules.maven.model.pom.impl.POMComponentImpl.getChildElementText(POMComponentImpl.java:157)
        at org.netbeans.modules.maven.model.pom.impl.VersionablePOMComponentImpl.getArtifactId(VersionablePOMComponentImpl.java:70)
        at org.netbeans.modules.maven.navigator.POMModelVisitor$SingleFieldNode.getShortDescription(POMModelVisitor.java:1137)
        at org.openide.explorer.view.VisualizerNode.getShortDescription(VisualizerNode.java:208)
        at org.openide.explorer.view.TreeView$ExplorerTree.getToolTipText(TreeView.java:2066)
        at javax.swing.ToolTipManager.mouseMoved(ToolTipManager.java:594)
        at java.awt.AWTEventMulticaster.mouseMoved(AWTEventMulticaster.java:313)
        at java.awt.Component.processMouseMotionEvent(Component.java:6308)
        at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3285)
        at java.awt.Component.processEvent(Component.java:6032)
        at java.awt.Container.processEvent(Container.java:2041)
        at java.awt.Component.dispatchEventImpl(Component.java:4630)
        at java.awt.Container.dispatchEventImpl(Container.java:2099)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4574)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4251)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168)
        at java.awt.Container.dispatchEventImpl(Container.java:2085)
        at java.awt.Window.dispatchEventImpl(Window.java:2475)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:117)
        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)