java.lang.AssertionError at org.netbeans.modules.xml.xdm.diff.MergeDiff.applyAttrTokenChange(MergeDiff.java:323) at org.netbeans.modules.xml.xdm.diff.MergeDiff.applyChange(MergeDiff.java:307) at org.netbeans.modules.xml.xdm.diff.MergeDiff.applyChanges(MergeDiff.java:281) at org.netbeans.modules.xml.xdm.diff.MergeDiff.merge(MergeDiff.java:102) at org.netbeans.modules.xml.xdm.XDMModel.mergeDiff(XDMModel.java:265) at org.netbeans.modules.xml.xdm.XDMModel.finishSync(XDMModel.java:231) at org.netbeans.modules.xml.xdm.XDMModel.sync(XDMModel.java:161) at org.netbeans.modules.xml.xdm.xam.XDMAccess.sync(XDMAccess.java:158) at org.netbeans.modules.xml.xam.AbstractModel.sync(AbstractModel.java:283) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.checkModelValid(StatusProvider.java:208) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.refreshLinkAnnotations(StatusProvider.java:313) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.access$700(StatusProvider.java:125) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl$4.run(StatusProvider.java:269) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033) Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError at org.openide.util.RequestProcessor.post(RequestProcessor.java:419) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.getUpToDate(StatusProvider.java:266) at org.netbeans.modules.editor.errorstripe.AnnotationViewDataImpl.computeTotalStatusType(AnnotationViewDataImpl.java:472) at org.netbeans.modules.editor.errorstripe.AnnotationView.drawGlobalStatus(AnnotationView.java:267) at org.netbeans.modules.editor.errorstripe.AnnotationView.paintComponent(AnnotationView.java:402) at javax.swing.JComponent.paint(JComponent.java:1054) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JLayer.paint(JLayer.java:433) at javax.swing.plaf.LayerUI.paint(LayerUI.java:79) at org.netbeans.core.multiview.SplitLayerUI.paint(SplitLayerUI.java:157) at javax.swing.plaf.ComponentUI.update(ComponentUI.java:161) at javax.swing.JComponent.paintComponent(JComponent.java:778) at javax.swing.JLayer.paint(JLayer.java:428) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at org.netbeans.swing.tabcontrol.TabbedContainer.paint(TabbedContainer.java:994) at javax.swing.JComponent.paintChildren(JComponent.java:887) at javax.swing.JComponent.paint(JComponent.java:1063) at javax.swing.JComponent.paintToOffscreen(JComponent.java:5219) at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1529) at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1452) at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:311) at javax.swing.RepaintManager.paint(RepaintManager.java:1249) at javax.swing.JComponent._paintImmediately(JComponent.java:5167) at javax.swing.JComponent.paintImmediately(JComponent.java:4978) at javax.swing.JComponent.paintImmediately(JComponent.java:4959) at javax.swing.JLayer.paintImmediately(JLayer.java:415) at javax.swing.plaf.LayerUI.paintImmediately(LayerUI.java:717) at javax.swing.JLayer.paintImmediately(JLayer.java:410) at javax.swing.JComponent.paintImmediately(JComponent.java:4959) at javax.swing.RepaintManager$3.run(RepaintManager.java:808) at javax.swing.RepaintManager$3.run(RepaintManager.java:796) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:796) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:769) at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:718) at javax.swing.RepaintManager.access$1100(RepaintManager.java:62) at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1677) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733) at java.awt.EventQueue.access$200(EventQueue.java:103) at java.awt.EventQueue$3.run(EventQueue.java:694) at java.awt.EventQueue$3.run(EventQueue.java:692) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:703) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)