java.lang.NullPointerException at org.netbeans.modules.maven.hints.pom.CompilerPluginVersionError.hasModuleInfo(CompilerPluginVersionError.java:161) at org.netbeans.modules.maven.hints.pom.CompilerPluginVersionError.getErrorsForDocument(CompilerPluginVersionError.java:104) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl$4.run(StatusProvider.java:199) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl$4.run(StatusProvider.java:190) at org.netbeans.modules.openide.util.DefaultMutexImplementation.readAccess(DefaultMutexImplementation.java:209) at org.openide.util.Mutex.readAccess(Mutex.java:218) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.findHints(StatusProvider.java:190) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.checkHints(StatusProvider.java:179) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.access$000(StatusProvider.java:132) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl$3.run(StatusProvider.java:169) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058) Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NullPointerException at org.openide.util.RequestProcessor.post(RequestProcessor.java:420) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.(StatusProvider.java:165) at org.netbeans.modules.maven.hints.pom.StatusProvider.createUpToDateStatusProvider(StatusProvider.java:129) at org.netbeans.modules.editor.errorstripe.AnnotationViewDataImpl.createStatusProviders(AnnotationViewDataImpl.java:251) at org.netbeans.modules.editor.errorstripe.AnnotationViewDataImpl.gatherProviders(AnnotationViewDataImpl.java:214) at org.netbeans.modules.editor.errorstripe.AnnotationViewDataImpl.register(AnnotationViewDataImpl.java:133) at org.netbeans.modules.editor.errorstripe.AnnotationView.updateForNewDocument(AnnotationView.java:189) at org.netbeans.modules.editor.errorstripe.AnnotationView.(AnnotationView.java:160) at org.netbeans.modules.editor.errorstripe.AnnotationViewFactory.createSideBar(AnnotationViewFactory.java:68) at org.netbeans.modules.editor.impl.CustomizableSideBar.createSideBarsMap(CustomizableSideBar.java:425) at org.netbeans.modules.editor.impl.CustomizableSideBar.getSideBarsInternal(CustomizableSideBar.java:204) at org.netbeans.modules.editor.impl.CustomizableSideBar.getSideBars(CustomizableSideBar.java:168) at org.netbeans.modules.editor.NbEditorUI.createExtComponent(NbEditorUI.java:287) at org.netbeans.editor.EditorUI.getExtComponent(EditorUI.java:954) at org.netbeans.modules.editor.NbEditorDocument.createEditor(NbEditorDocument.java:201) at org.openide.text.CloneableEditorInitializer.initCustomEditor(CloneableEditorInitializer.java:534) at org.openide.text.CloneableEditorInitializer.initCustomEditorAndDecorationsInEDT(CloneableEditorInitializer.java:596) at org.openide.text.CloneableEditorInitializer.run(CloneableEditorInitializer.java:344) at org.openide.text.CloneableEditorInitializer.processPendingEDTRequests(CloneableEditorInitializer.java:158) at org.openide.text.CloneableEditorInitializer.waitForFinishedInitialization(CloneableEditorInitializer.java:126) at org.openide.text.CloneableEditor.getEditorPane(CloneableEditor.java:698) at org.netbeans.modules.xml.multiview.XmlMultiViewElement.getToolbarRepresentation(XmlMultiViewElement.java:126) at org.netbeans.core.multiview.MultiViewPeer.peerComponentShowing(MultiViewPeer.java:339) at org.netbeans.core.multiview.MultiViewCloneableTopComponent.componentShowing(MultiViewCloneableTopComponent.java:134) at org.openide.windows.WindowManager.componentShowing(WindowManager.java:339) at org.netbeans.core.windows.WindowManagerImpl.componentShowing(WindowManagerImpl.java:1200) at org.netbeans.core.windows.view.DefaultView.changeGUI(DefaultView.java:168) at org.netbeans.core.windows.ViewRequestor.dispatchRequest(ViewRequestor.java:275) at org.netbeans.core.windows.ViewRequestor.processRequest(ViewRequestor.java:251) at org.netbeans.core.windows.ViewRequestor.postRequest(ViewRequestor.java:189) at org.netbeans.core.windows.ViewRequestor.scheduleRequest(ViewRequestor.java:127) at org.netbeans.core.windows.Central.activateModeTopComponent(Central.java:1797) at org.netbeans.core.windows.WindowManagerImpl.topComponentRequestActive(WindowManagerImpl.java:1334) at org.openide.windows.TopComponent.requestActive(TopComponent.java:861) at org.netbeans.modules.xml.multiview.XmlMultiViewEditorSupport$5.run(XmlMultiViewEditorSupport.java:451) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:726) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109) at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184) at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229) at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227) at java.awt.Dialog.show(Dialog.java:1084) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:1086) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1136) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1108) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:131) at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.doEventAccess(NbMutexEventProvider.java:138) at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.readAccess(NbMutexEventProvider.java:98) at org.netbeans.modules.openide.util.LazyMutexImplementation.readAccess(LazyMutexImplementation.java:94) at org.openide.util.Mutex.readAccess(Mutex.java:218) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:1093) at java.awt.Component.show(Component.java:1673) at java.awt.Component.setVisible(Component.java:1625) at java.awt.Window.setVisible(Window.java:1014) at java.awt.Dialog.setVisible(Dialog.java:1005) at org.netbeans.modules.j2ee.common.ui.BrokenServerSupport$1.run(BrokenServerSupport.java:150) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:726) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)