java.lang.NullPointerException
   at org.openide.util.lookup.InstanceContent$SimpleItem.<init>(InstanceContent.java:195)
   at org.openide.util.lookup.SimpleLookup.<init>(SimpleLookup.java:69)
   at org.openide.util.lookup.Lookups.fixed(Lookups.java:108)
   at org.netbeans.modules.maven.model.Utilities$1.getLookup(Utilities.java:225)
   at org.openide.util.lookup.SimpleProxyLookup.checkLookup(SimpleProxyLookup.java:77)
   at org.openide.util.lookup.SimpleProxyLookup.lookup(SimpleProxyLookup.java:152)
   at org.netbeans.modules.maven.model.pom.POMModelFactory.getModel(POMModelFactory.java:74)
   at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.initializeModel(StatusProvider.java:178)
   at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.<init>(StatusProvider.java:114)
   at org.netbeans.modules.maven.hints.pom.StatusProvider.createUpToDateStatusProvider(StatusProvider.java:91)
   at org.netbeans.modules.editor.errorstripe.AnnotationViewDataImpl.createStatusProviders(AnnotationViewDataImpl.java:214)
   at org.netbeans.modules.editor.errorstripe.AnnotationViewDataImpl.gatherProviders(AnnotationViewDataImpl.java:184)
   at org.netbeans.modules.editor.errorstripe.AnnotationViewDataImpl.register(AnnotationViewDataImpl.java:116)
   at org.netbeans.modules.editor.errorstripe.AnnotationView.updateForNewDocument(AnnotationView.java:176)
   at org.netbeans.modules.editor.errorstripe.AnnotationView.<init>(AnnotationView.java:148)
   at org.netbeans.modules.editor.errorstripe.AnnotationViewFactory.createSideBar(AnnotationViewFactory.java:65)
   at org.netbeans.modules.editor.impl.CustomizableSideBar.createSideBarsMap(CustomizableSideBar.java:225)
   at org.netbeans.modules.editor.impl.CustomizableSideBar.getSideBarsInternal(CustomizableSideBar.java:180)
   at org.netbeans.modules.editor.impl.CustomizableSideBar.getSideBars(CustomizableSideBar.java:144)
   at org.netbeans.modules.editor.NbEditorUI.createExtComponent(NbEditorUI.java:239)
   at org.netbeans.editor.EditorUI.getExtComponent(EditorUI.java:909)
   at org.netbeans.modules.editor.NbEditorDocument.createEditor(NbEditorDocument.java:197)
   at org.openide.text.CloneableEditor$DoInitialize.initCustomEditor(CloneableEditor.java:595)
   at org.openide.text.CloneableEditor$DoInitialize.initVisual(CloneableEditor.java:713)
   at org.openide.text.CloneableEditor$DoInitialize.run(CloneableEditor.java:345)
   at org.netbeans.core.windows.WindowManagerImpl$Exclusive$1.run(WindowManagerImpl.java:1317)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:133)
   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)