java.lang.IllegalStateException: [Winsys] TopComponent org.netbeans.modules.xml.text.TextEditorComponent throws runtime exception from its componentActivated() method.
Please repair it! Probable cause is at org.netbeans.modules.xml.text.TextEditorComponent.componentActivated(TextEditorComponent.java:167)
        at org.openide.windows.WindowManager.logThrowable(WindowManager.java:361)
        at org.openide.windows.WindowManager.activateComponent(WindowManager.java:284)
        at org.netbeans.core.windows.WindowManagerImpl.notifyRegistryTopComponentActivated(WindowManagerImpl.java:996)
        at org.netbeans.core.windows.Central.activateModeTopComponent(Central.java:1719)
        at org.netbeans.core.windows.WindowManagerImpl.topComponentRequestActive(WindowManagerImpl.java:1144)
        at org.openide.windows.TopComponent.requestActive(TopComponent.java:709)
        at org.netbeans.core.windows.WindowManagerImpl.topComponentClose(WindowManagerImpl.java:1134)
        at org.openide.windows.TopComponent.close(TopComponent.java:447)
        at org.openide.windows.TopComponent.close(TopComponent.java:433)
        at org.netbeans.modules.welcome.WelcomeComponent.componentOpened(WelcomeComponent.java:180)
        at org.openide.windows.WindowManager.componentOpenNotify(WindowManager.java:298)
        at org.netbeans.core.windows.WindowManagerImpl.notifyTopComponentOpened(WindowManagerImpl.java:974)
        at org.netbeans.core.windows.Central.addModeOpenedTopComponent(Central.java:761)
        at org.netbeans.core.windows.ModeImpl.addOpenedTopComponent(ModeImpl.java:311)
        at org.netbeans.core.windows.PersistenceHandler.initModeFromConfig(PersistenceHandler.java:388)
        at org.netbeans.core.windows.PersistenceHandler.load(PersistenceHandler.java:205)
        at org.netbeans.core.windows.WindowSystemImpl.load(WindowSystemImpl.java:69)
        at org.netbeans.core.NonGui$2.run(NonGui.java:190)
        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:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
java.lang.NullPointerException
        at org.netbeans.modules.xml.text.TextEditorComponent.componentActivated(TextEditorComponent.java:167)
        at org.openide.windows.WindowManager.activateComponent(WindowManager.java:282)
        at org.netbeans.core.windows.WindowManagerImpl.notifyRegistryTopComponentActivated(WindowManagerImpl.java:996)
        at org.netbeans.core.windows.Central.activateModeTopComponent(Central.java:1719)
        at org.netbeans.core.windows.WindowManagerImpl.topComponentRequestActive(WindowManagerImpl.java:1144)
        at org.openide.windows.TopComponent.requestActive(TopComponent.java:709)
        at org.netbeans.core.windows.WindowManagerImpl.topComponentClose(WindowManagerImpl.java:1134)
        at org.openide.windows.TopComponent.close(TopComponent.java:447)
        at org.openide.windows.TopComponent.close(TopComponent.java:433)
        at org.netbeans.modules.welcome.WelcomeComponent.componentOpened(WelcomeComponent.java:180)
        at org.openide.windows.WindowManager.componentOpenNotify(WindowManager.java:298)
        at org.netbeans.core.windows.WindowManagerImpl.notifyTopComponentOpened(WindowManagerImpl.java:974)
        at org.netbeans.core.windows.Central.addModeOpenedTopComponent(Central.java:761)
        at org.netbeans.core.windows.ModeImpl.addOpenedTopComponent(ModeImpl.java:311)
        at org.netbeans.core.windows.PersistenceHandler.initModeFromConfig(PersistenceHandler.java:388)
        at org.netbeans.core.windows.PersistenceHandler.load(PersistenceHandler.java:205)
        at org.netbeans.core.windows.WindowSystemImpl.load(WindowSystemImpl.java:69)
        at org.netbeans.core.NonGui$2.run(NonGui.java:190)
        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:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)