java.lang.NullPointerException
	at java.lang.String.compareTo(String.java:997)
	at java.lang.String.compareTo(String.java:90)
	at java.util.Arrays.mergeSort(Arrays.java:1156)
	at java.util.Arrays.sort(Arrays.java:1118)
	at
org.netbeans.modules.form.ComponentChooserEditor.getTags(ComponentChooserEditor.java:90)
	at
org.netbeans.modules.form.FormPropertyEditor.getTags(FormPropertyEditor.java:223)
	at
org.openide.explorer.propertysheet.RendererFactory.getRenderer(RendererFactory.java:141)
	at
org.openide.explorer.propertysheet.SheetCellRenderer.getTableCellRendererComponent(SheetCellRenderer.java:123)
	at
org.openide.explorer.propertysheet.BaseTable.prepareRenderer(BaseTable.java:595)
	at
org.openide.explorer.propertysheet.SheetTable.prepareRenderer(SheetTable.java:515)
	at
javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:1669)
	at
javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:1571)
	at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1494)
	at javax.swing.plaf.ComponentUI.update(ComponentUI.java:142)
	at javax.swing.JComponent.paintComponent(JComponent.java:742)
	at
org.openide.explorer.propertysheet.BaseTable.paintComponent(BaseTable.java:938)
	at
org.openide.explorer.propertysheet.SheetTable.paintComponent(SheetTable.java:421)
	at javax.swing.JComponent.paint(JComponent.java:1005)
	at
org.openide.explorer.propertysheet.BaseTable.paint(BaseTable.java:645)
	at javax.swing.JComponent.paintChildren(JComponent.java:842)
	at javax.swing.JComponent.paint(JComponent.java:1014)
	at javax.swing.JViewport.paint(JViewport.java:728)
	at javax.swing.JComponent.paintChildren(JComponent.java:842)
	at javax.swing.JComponent.paint(JComponent.java:1014)
	at
javax.swing.JComponent.paintWithOffscreenBuffer(JComponent.java:4963)
	at javax.swing.JComponent.paintDoubleBuffered(JComponent.java:4916)
	at javax.swing.JComponent._paintImmediately(JComponent.java:4859)
	at javax.swing.JComponent.paintImmediately(JComponent.java:4666)
	at
javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:451)
[catch] at
javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:114)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
	at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
	at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
	at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
	at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)