When executing a query that selects a property from a member of a collection. "select p.children.age from Parent as p" // children is a member variable of Parent, of type java.util.List, throws the following exception: Error during dispatching of java.awt.event.InvocationEvent[INVOCATION_DEFAULT,runnable=javax.swing.SystemEventQueueUtilities$ComponentWorkRequest@4f8b88,notifier=null,catchExceptions=false,when=1161509554394] on sun.awt.windows.WToolkit@695527 java.lang.NullPointerException at com.betosoftware.hibero.c.p.valueOf(p.java:15) at com.intellij.util.ui.ListTableModel.getValueAt(ListTableModel.java:74) at javax.swing.JTable.getValueAt(JTable.java:1903) at javax.swing.JTable.prepareRenderer(JTable.java:3911) at javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:2072) at javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:1974) at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1897) at javax.swing.plaf.ComponentUI.update(ComponentUI.java:142) at javax.swing.JComponent.paintComponent(JComponent.java:742) at javax.swing.JComponent.paint(JComponent.java:1005) at javax.swing.JComponent.paintChildren(JComponent.java:842) at javax.swing.JComponent.paint(JComponent.java:1014) at javax.swing.JViewport.paint(JViewport.java:728) at javax.swing.JComponent.paintChildren(JComponent.java:842) at javax.swing.JComponent.paint(JComponent.java:1014) at javax.swing.JComponent.paintWithOffscreenBuffer(JComponent.java:4963) at javax.swing.JComponent.paintDoubleBuffered(JComponent.java:4916) at javax.swing.JComponent._paintImmediately(JComponent.java:4859) at javax.swing.JComponent.paintImmediately(JComponent.java:4666) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:451) at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:114) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:461) at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:163) at com.intellij.ide.IdeEventQueue.a(IdeEventQueue.java:8) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:145) 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)