我每次我試圖在我的JTable更新數據時收到此錯誤:爲什麼我在線程「AWT-EventQueue-0」中得到異常java.lang.ArrayIndexOutOfBoundsException:2?
Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 2
at javax.swing.DefaultRowSorter.convertRowIndexToModel(DefaultRowSorter.java:501)
at javax.swing.JTable.convertRowIndexToModel(JTable.java:2620)
at javax.swing.JTable.getValueAt(JTable.java:2695)
at javax.swing.JTable.prepareRenderer(JTable.java:5712)
at javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:2069)
at javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:1971)
at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1767)
at javax.swing.plaf.ComponentUI.update(ComponentUI.java:143)
at javax.swing.JComponent.paintComponent(JComponent.java:751)
at javax.swing.JComponent.paint(JComponent.java:1017)
at javax.swing.JComponent.paintChildren(JComponent.java:852)
at javax.swing.JComponent.paint(JComponent.java:1026)
at javax.swing.JViewport.paint(JViewport.java:747)
at javax.swing.JComponent.paintChildren(JComponent.java:852)
at javax.swing.JComponent.paint(JComponent.java:1026)
at javax.swing.JComponent.paintChildren(JComponent.java:852)
at javax.swing.JComponent.paint(JComponent.java:1026)
at javax.swing.JComponent.paintChildren(JComponent.java:852)
at javax.swing.JComponent.paint(JComponent.java:1026)
at javax.swing.JComponent.paintChildren(JComponent.java:852)
at javax.swing.JComponent.paint(JComponent.java:1026)
at javax.swing.JComponent.paintToOffscreen(JComponent.java:5112)
at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:278)
at javax.swing.RepaintManager.paint(RepaintManager.java:1220)
at javax.swing.JComponent._paintImmediately(JComponent.java:5060)
at javax.swing.JComponent.paintImmediately(JComponent.java:4870)
at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:803)
at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:714)
at javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:694)
at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:125)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
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)
的數據似乎更新罰款,但事情錯了,它困擾着我,它甚至沒有提及我的任何代碼。一段時間調試後,我決定下面的代碼行是造成問題的原因:
public class LoadingLogListThread extends Thread{
...
public void run() {
...
int colNo = rsmd.getColumnCount();
while(rs.next()){
Object[] objects = new Object[colNo];
for(int i=0;i<colNo;i++){
objects[i]=rs.getObject(i+1);
}
if(objects != null)
aModel.addRow(objects);
count++;
}
mainView.logEntryTable.setModel(aModel);
...
}
的線程被創建,當我點擊一個按鈕來過濾列表,然後又回到了到開始數據庫來獲取更多可能超出已獲取數據的數據。我打算稍後確定是否需要新的提取,並且僅在此情況下執行上述操作,否則僅過濾已提取的結果。
你如何更新表中的數據? – akf 2012-02-11 03:24:18
查看上述更新代碼的最後一行,瞭解如何更新表中的數據。基本上我只是將表格的模型設置爲新模型。 – 2012-02-11 03:36:13
1.這是更新表格的不好方法。發起適當的事件。 2.如果您在非事件派發線程的表中設置模型,並且事件派發線程正在繪製,則基礎模型可能會更改導致問題的原因模型。 – LazyCubicleMonkey 2012-02-11 03:50:52