mi sapete per caso dire come risolvere questo errore?
fino a ieri funzionava tutto e oggi nn funziona più...
l'errore me lo da a questa riga:
d = new JFileChooser();
Problem creating javax.swing.plaf.metal.MetalIconFactory with method getTreeLeafIcon and args { : java.lang.reflect.InvocationTargetException
java.lang.Exception: Stack trace
at java.lang.Thread.dumpStack(Thread.java:1021)
at javax.swing.UIDefaults$ProxyLazyValue.createValue( UIDefaults.java:693)
at javax.swing.UIDefaults.get(UIDefaults.java(Compile d Code))
at javax.swing.MultiUIDefaults.get(MultiUIDefaults.ja va(Compiled Code))
at javax.swing.UIDefaults.getIcon(UIDefaults.java:261 )
at javax.swing.UIManager.getIcon(UIManager.java:526)
at javax.swing.plaf.basic.BasicFileChooserUI.installI cons(BasicFileChooserUI.java:225)
at javax.swing.plaf.basic.BasicFileChooserUI.installD efaults(BasicFileChooserUI.java:219)
at javax.swing.plaf.basic.BasicFileChooserUI.installU I(BasicFileChooserUI.java:121)
at javax.swing.plaf.metal.MetalFileChooserUI.installU I(MetalFileChooserUI.java:141)
at javax.swing.JComponent.setUI(JComponent.java:345)
at javax.swing.JFileChooser.updateUI(JFileChooser.jav a:1525)
at javax.swing.JFileChooser.setup(JFileChooser.java:3 44)
at javax.swing.JFileChooser.<init>(JFileChooser.java: 319)
at javax.swing.JFileChooser.<init>(JFileChooser.java: 278)
at LoginFrame$ImportFrame.<init>(Login.java:729)
at LoginFrame.actionPerformed(Login.java:405)
at javax.swing.AbstractButton.fireActionPerformed(Abs tractButton.java:1461)
at javax.swing.AbstractButton$ForwardActionEvents.act ionPerformed(AbstractButton.java:1515)
at javax.swing.DefaultButtonModel.fireActionPerformed (DefaultButtonModel.java:392)
at javax.swing.DefaultButtonModel.setPressed(DefaultB uttonModel.java:264)
at javax.swing.plaf.basic.BasicButtonListener.mouseRe leased(BasicButtonListener.java:254)
at java.awt.Component.processMouseEvent(Component.jav a:3799)
at java.awt.Component.processEvent(Component.java:362 8)
at java.awt.Container.processEvent(Container.java:119 5)
at java.awt.Component.dispatchEventImpl(Component.jav a:2678)
at java.awt.Container.dispatchEventImpl(Container.jav a:1244)
at java.awt.Component.dispatchEvent(Component.java:25 81)
at java.awt.LightweightDispatcher.retargetMouseEvent( Container.java:2487)
at java.awt.LightweightDispatcher.processMouseEvent(C ontainer.java:2252)
at java.awt.LightweightDispatcher.dispatchEvent(Conta iner.java:2161)
at java.awt.Container.dispatchEventImpl(Container.jav a:1231)
at java.awt.Window.dispatchEventImpl(Window.java:964)
at java.awt.Component.dispatchEvent(Component.java:25 81)
at java.awt.EventQueue.dispatchEvent(EventQueue.java: 434)
at java.awt.EventDispatchThread.pumpOneEventForHierar chy(EventDispatchThread.java:172)
at java.awt.EventDispatchThread.pumpEventsForHierarch y(EventDispatchThread.java:131)
at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:126)
at java.awt.EventDispatchThread.run(EventDispatchThre ad.java:118)
grazie in anticipo...