I sometimes get this exception. I dont really know where's problem, i use my implementation of abstracttablemodel. I CANT found the excact place where exception occurs, beacause when i use debugger and run step by step exception doesnt occur.
Exception occurred during event dispatching: java.lang.ArrayIndexOutOfBoundsException: 2 >= 2 at java.util.Vector.elementAt(Vector.java:427) at javax.swing.table.DefaultTableColumnModel.getColumn(DefaultTableColumnModel.java:277) at javax.swing.plaf.basic.BasicTableUI.paintGrid(BasicTableUI.java:1931) at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1767) at com.alee.laf.table.WebTableUI.paint(WebTableUI.java:52) at javax.swing.plaf.ComponentUI.update(ComponentUI.java:143) at javax.swing.JComponent.paintComponent(JComponent.java:752) at javax.swing.JComponent.paint(JComponent.java:1029) at javax.swing.JComponent.paintChildren(JComponent.java:862) at javax.swing.JComponent.paint(JComponent.java:1038) at javax.swing.JViewport.paint(JViewport.java:747) at javax.swing.JComponent.paintToOffscreen(JComponent.java:5124) at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:278) at javax.swing.RepaintManager.paint(RepaintManager.java:1225) at javax.swing.JComponent._paintImmediately(JComponent.java:5072) at javax.swing.JComponent.paintImmediately(JComponent.java:4882) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:786) at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:714) at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:694) at javax.swing.RepaintManager.access$700(RepaintManager.java:41) at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1636) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641) at java.awt.EventQueue.access$000(EventQueue.java:84) at java.awt.EventQueue$1.run(EventQueue.java:602) at java.awt.EventQueue$1.run(EventQueue.java:600) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87) at java.awt.EventQueue.dispatchEvent(EventQueue.java:611) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178) at java.awt.Dialog$1.run(Dialog.java:1046) at java.awt.Dialog$3.run(Dialog.java:1098) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Dialog.show(Dialog.java:1096) at java.awt.Component.show(Component.java:1584) at java.awt.Component.setVisible(Component.java:1536) at java.awt.Window.setVisible(Window.java:842) at java.awt.Dialog.setVisible(Dialog.java:986) at ui.MainFrame.queryButtonActionPerformed(MainFrame.java:936) at ui.MainFrame.access$700(MainFrame.java:89) at ui.MainFrame$9.actionPerformed(MainFrame.java:538) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272) at java.awt.Component.processMouseEvent(Component.java:6288) at javax.swing.JComponent.processMouseEvent(JComponent.java:3267) at java.awt.Component.processEvent(Component.java:6053) at java.awt.Container.processEvent(Container.java:2041) at java.awt.Component.dispatchEventImpl(Component.java:4651) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Component.dispatchEvent(Component.java:4481) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168) at java.awt.Container.dispatchEventImpl(Container.java:2085) at java.awt.Window.dispatchEventImpl(Window.java:2478) at java.awt.Component.dispatchEvent(Component.java:4481) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:643) at java.awt.EventQueue.access$000(EventQueue.java:84) at java.awt.EventQueue$1.run(EventQueue.java:602) at java.awt.EventQueue$1.run(EventQueue.java:600) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98) at java.awt.EventQueue$2.run(EventQueue.java:616) at java.awt.EventQueue$2.run(EventQueue.java:614) at java.security.AccessController.doPrivileged(Native Method) at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87) at java.awt.EventQueue.dispatchEvent(EventQueue.java:613) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122) my table model:
/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package util; import entity3.Document; import entity3.Msg; import entity3.Senderreceiver; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.List; import javax.swing.table.AbstractTableModel; /** * * @author work */ public class IncomingMailTableModel extends AbstractTableModel{ public String[] getColumnNames() { return columnNames; } public void setColumnNames(String[] columnNames) { this.columnNames = columnNames; } private String[] columnNames = {"Дата", "Тема", "Відправник", "Статус"}; private List<Document> documents; public IncomingMailTableModel(List<Document> documents) { this.documents = documents; } @Override public int getRowCount() { return documents.size(); } @Override public int getColumnCount() { return columnNames.length; } @Override public String getColumnName(int col) { return columnNames[col]; } public Document getObjectAtRow(int row) { return documents.get(row); } @Override public Class getColumnClass(int column) { switch (column) { case 0: return String.class; case 1: return String.class; case 2: return String.class; case 3: return String.class; } return null; } @Override public String getValueAt(int row, int column) { String toReturn = ""; Document document = documents.get(row); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); Msg msg =document.getMsg(); ArrayList<Senderreceiver> senderReceivers = new ArrayList<Senderreceiver>(msg.getSenderreceivers()); //ArrayList<Document> docs = new ArrayList<Document>(document.getMsg().getDocuments()); switch (column) { case 0: if (document.getMsg().getReceivingDate() != null) toReturn = format.format(document.getMsg().getReceivingDate()); break; case 1: toReturn = document.getTitle(); break; case 2: for (Object o : senderReceivers) { Senderreceiver senderReceiver = (Senderreceiver) o; if (senderReceiver.getRole()==0) { toReturn = senderReceiver.getOrganization().getShortName(); } } break; case 3: if (document.getMsg().getIsRead()!=null) if(document.getMsg().getIsRead()) toReturn = "Прочитано"; else toReturn="Непрочитано"; break; } return toReturn; } } 
