Всем привет  Внутри подписанного аплета,написанного в среде NetBeans 6.1 , имеются jFileChooser. Когда я вызываю jFileChooser и два раза нажимаю на кнопку: "Up one level" , получаю | Код |
[color=red]Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException [/color]
at javax.swing.plaf.basic.BasicListUI.updateLayoutState(BasicListUI.java:1349)
at javax.swing.plaf.basic.BasicListUI.maybeUpdateLayoutState(BasicListUI.java:1292)
at javax.swing.plaf.basic.BasicListUI$Handler.valueChanged(BasicListUI.java:2605)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:167)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:147)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:194)
at javax.swing.DefaultListSelectionModel.moveLeadSelectionIndex(DefaultListSelectionModel.java:758)
[color=red]at sun.swing.FilePane.clearSelection(FilePane.java:1558)
at sun.swing.FilePane$4.contentsChanged(FilePane.java:480)[/color]
at javax.swing.AbstractListModel.fireContentsChanged(AbstractListModel.java:100)
at javax.swing.plaf.basic.BasicDirectoryModel.fireContentsChanged(BasicDirectoryModel.java:151)
at javax.swing.plaf.basic.BasicDirectoryModel$DoChangeContents.run(BasicDirectoryModel.java:480)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
или так
[color=red]Exception occurred during event dispatching:
java.lang.NullPointerException [/color]
at javax.swing.plaf.basic.BasicListUI.updateHorizontalLayoutState(BasicListUI.java:1403)
at javax.swing.plaf.basic.BasicListUI.updateLayoutState(BasicListUI.java:1368)
at javax.swing.plaf.basic.BasicListUI.maybeUpdateLayoutState(BasicListUI.java:1292)
at javax.swing.plaf.basic.BasicListUI.getCellBounds(BasicListUI.java:933)
at javax.swing.plaf.basic.BasicListUI.paintImpl(BasicListUI.java:291)
at javax.swing.plaf.basic.BasicListUI.paint(BasicListUI.java:227)
at javax.swing.plaf.ComponentUI.update(ComponentUI.java:143)
at javax.swing.JComponent.paintComponent(JComponent.java:763)
at javax.swing.JComponent.paint(JComponent.java:1027)
at javax.swing.JComponent.paintToOffscreen(JComponent.java:5122)
at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:285)
at javax.swing.RepaintManager.paint(RepaintManager.java:1128)
at javax.swing.JComponent._paintImmediately(JComponent.java:5070)
at javax.swing.JComponent.paintImmediately(JComponent.java:4880)
at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:723)
at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:679)
at javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:659)
at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:128)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:177)
at java.awt.Dialog$1.run(Dialog.java:1045)
at java.awt.Dialog$3.run(Dialog.java:1097)
[color=red]at java.security.AccessController.doPrivileged(Native Method)[/color]
at java.awt.Dialog.show(Dialog.java:1095)
at javax.swing.JFileChooser.showDialog(JFileChooser.java:723)
at javax.swing.JFileChooser.showOpenDialog(JFileChooser.java:626)
at WebConnection.TBLD.jBImportMouseClicked(TBLD.java:456)
at WebConnection.TBLD.access$600(TBLD.java:48)
at WebConnection.TBLD$8.mouseClicked(TBLD.java:218)
at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:253)
at java.awt.Component.processMouseEvent(Component.java:6044)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
at java.awt.Component.processEvent(Component.java:5806)
at java.awt.Container.processEvent(Container.java:2058)
at java.awt.Component.dispatchEventImpl(Component.java:4413)
at java.awt.Container.dispatchEventImpl(Container.java:2116)
at java.awt.Component.dispatchEvent(Component.java:4243)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3995)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
at java.awt.Container.dispatchEventImpl(Container.java:2102)
at java.awt.Window.dispatchEventImpl(Window.java:2440)
at java.awt.Component.dispatchEvent(Component.java:4243)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
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После этих неприятных вещей ,сами файли читаются нормально и нормально заполняют jTable . Но все равно тревожно , может ,кто знает ,что с этими Exception делать ? |
Exception in JFileChooser 
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