java.lang.NullPointerException
   at org.openide.util.lookup.InstanceContent$SimpleItem.<init>(InstanceContent.java:198)
   at org.openide.util.lookup.SimpleLookup.<init>(SimpleLookup.java:72)
   at org.openide.util.lookup.Lookups.fixed(Lookups.java:111)
   at org.netbeans.modules.maven.model.Utilities$1.getLookup(Utilities.java:228)
   at org.openide.util.lookup.SimpleProxyLookup.checkLookup(SimpleProxyLookup.java:80)
   at org.openide.util.lookup.SimpleProxyLookup.lookup(SimpleProxyLookup.java:155)
   at org.netbeans.modules.maven.model.pom.POMModelFactory.getModel(POMModelFactory.java:77)
   at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.initializeModel(StatusProvider.java:184)
   at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.<init>(StatusProvider.java:119)
   at org.netbeans.modules.maven.hints.pom.StatusProvider.createUpToDateStatusProvider(StatusProvider.java:95)
   at org.netbeans.modules.editor.errorstripe.AnnotationViewDataImpl.createStatusProviders(AnnotationViewDataImpl.java:217)
   at org.netbeans.modules.editor.errorstripe.AnnotationViewDataImpl.gatherProviders(AnnotationViewDataImpl.java:187)
   at org.netbeans.modules.editor.errorstripe.AnnotationViewDataImpl.register(AnnotationViewDataImpl.java:119)
   at org.netbeans.modules.editor.errorstripe.AnnotationView.updateForNewDocument(AnnotationView.java:180)
   at org.netbeans.modules.editor.errorstripe.AnnotationView.<init>(AnnotationView.java:152)
   at org.netbeans.modules.editor.errorstripe.AnnotationViewFactory.createSideBar(AnnotationViewFactory.java:68)
   at org.netbeans.modules.editor.impl.CustomizableSideBar.createSideBarsMap(CustomizableSideBar.java:228)
   at org.netbeans.modules.editor.impl.CustomizableSideBar.getSideBarsInternal(CustomizableSideBar.java:183)
   at org.netbeans.modules.editor.impl.CustomizableSideBar.getSideBars(CustomizableSideBar.java:147)
   at org.netbeans.modules.editor.NbEditorUI.createExtComponent(NbEditorUI.java:242)
   at org.netbeans.editor.EditorUI.getExtComponent(EditorUI.java:914)
   at org.netbeans.modules.editor.NbEditorDocument.createEditor(NbEditorDocument.java:200)
   at org.openide.text.CloneableEditor$DoInitialize.initCustomEditor(CloneableEditor.java:598)
   at org.openide.text.CloneableEditor$DoInitialize.initVisual(CloneableEditor.java:716)
   at org.openide.text.CloneableEditor$DoInitialize.run(CloneableEditor.java:348)
   at org.netbeans.core.windows.WindowManagerImpl$Exclusive$1.run(WindowManagerImpl.java:1320)
   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:137)
   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)