java.lang.Exception: Stack trace
	at java.lang.Thread.dumpStack(Thread.java:1328)
	at javax.swing.JPopupMenu.isVisible(JPopupMenu.java:854)
	at javax.swing.SortingFocusTraversalPolicy.enumerateCycle(SortingFocusTraversalPolicy.java:141)
	at javax.swing.SortingFocusTraversalPolicy.enumerateCycle(SortingFocusTraversalPolicy.java:156)
	at javax.swing.SortingFocusTraversalPolicy.enumerateCycle(SortingFocusTraversalPolicy.java:156)
	at javax.swing.SortingFocusTraversalPolicy.enumerateCycle(SortingFocusTraversalPolicy.java:156)
	at javax.swing.SortingFocusTraversalPolicy.enumerateCycle(SortingFocusTraversalPolicy.java:156)
	at javax.swing.SortingFocusTraversalPolicy.enumerateAndSortCycle(SortingFocusTraversalPolicy.java:135)
	at javax.swing.SortingFocusTraversalPolicy.getFocusTraversalCycle(SortingFocusTraversalPolicy.java:110)
	at javax.swing.SortingFocusTraversalPolicy.getFirstComponent(SortingFocusTraversalPolicy.java:445)
	at javax.swing.LayoutFocusTraversalPolicy.getFirstComponent(LayoutFocusTraversalPolicy.java:166)
	at javax.swing.SortingFocusTraversalPolicy.getDefaultComponent(SortingFocusTraversalPolicy.java:535)
	at java.awt.Window.isFocusableWindow(Window.java:2496)
	at sun.awt.X11.XWindowPeer.isFocusableWindow(XWindowPeer.java:591)
	at sun.awt.X11.XWindowPeer.updateFocusableWindowState(XWindowPeer.java:1989)
	at sun.awt.X11.XWindowPeer.updateFocusability(XWindowPeer.java:516)
	at sun.awt.X11.XWindowPeer.setVisible(XWindowPeer.java:1043)
	at java.awt.Component.show(Component.java:1623)
	at java.awt.Window.show(Window.java:1042)
	at javax.swing.Popup$HeavyWeightWindow.show(Popup.java:258)
	at javax.swing.Popup.show(Popup.java:107)
	at javax.swing.JPopupMenu.showPopup(JPopupMenu.java:842)
	at javax.swing.JPopupMenu.setVisible(JPopupMenu.java:790)
	at javax.swing.JPopupMenu.show(JPopupMenu.java:970)
	at khdb.swingset.NonBlockingQueryWorker.done(CompleteFieldListener.java:423)
	at javax.swing.SwingWorker$5.run(SwingWorker.java:738)
	at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.run(SwingWorker.java:833)
	at sun.swing.AccumulativeRunnable.run(AccumulativeRunnable.java:112)
	at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(SwingWorker.java:843)
	at javax.swing.Timer.fireActionPerformed(Timer.java:313)
	at javax.swing.Timer$DoPostEvent.run(Timer.java:245)
	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(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:714)
	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)