java.lang.NullPointerException
   at org.netbeans.modules.notifications.center.NotificationTable$NotificationPriorityRenderer.getTableCellRendererComponent(NotificationTable.java:187)
   at javax.swing.JTable$AccessibleJTable.getAccessibleChild(JTable.java:7040)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:166)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:181)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:133)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor$AccessibilityEventListener.installListeners(AccessibilityEventMonitor.java:121)
   at com.sun.java.accessibility.util.AccessibilityEventMonitor.addPropertyChangeListener(AccessibilityEventMonitor.java:68)
   at com.sun.java.accessibility.AccessBridge$EventHandler.addAccessibilityEventNotification(AccessBridge.java:4903)
   at com.sun.java.accessibility.AccessBridge$178.run(AccessBridge.java:5336)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:744)
   at java.awt.EventQueue.access$400(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:697)
   at java.awt.EventQueue$3.run(EventQueue.java:691)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:714)
   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)