java.lang.NullPointerException
   at org.netbeans.api.visual.widget.LabelWidget.calculateClientArea(LabelWidget.java:263)
   at org.netbeans.api.visual.widget.Widget.calculatePreferredBounds(Widget.java:1008)
   at org.netbeans.api.visual.widget.Widget.getPreferredBounds(Widget.java:984)
   at org.netbeans.modules.maven.graph.ArtifactWidget.updateContent(ArtifactWidget.java:508)
   at org.netbeans.modules.maven.graph.ArtifactWidget.notifyStateChanged(ArtifactWidget.java:474)
   at org.netbeans.api.visual.widget.Widget.setState(Widget.java:1135)
   at org.netbeans.api.visual.model.ObjectScene.setSelectedObjects(ObjectScene.java:213)
   at org.netbeans.modules.maven.graph.DependencyGraphTopComponent$8$1.run(DependencyGraphTopComponent.java:436)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:642)
   at java.awt.EventQueue.access$000(EventQueue.java:85)
   at java.awt.EventQueue$1.run(EventQueue.java:603)
   at java.awt.EventQueue$1.run(EventQueue.java:601)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:612)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   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)