java.lang.NullPointerException

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    • java.lang.NullPointerException at javax.swing.ImageIcon.<init>(Unknown Source) at javax.swing.ImageIcon.<init>(Unknown Source) at com.sun.java.swing.plaf.windows.WindowsFileChooserUI$ShortCutPanel.<init>(Unknown Source) at com.sun.java.swing.plaf.windows.WindowsFileChooserUI.installComponents(Unknown Source) at javax.swing.plaf.basic.BasicFileChooserUI.installUI(Unknown Source) at com.sun.java.swing.plaf.windows.WindowsFileChooserUI.installUI(Unknown Source) at javax.swing.JComponent.setUI(Unknown Source) at javax.swing.JFileChooser.updateUI(Unknown Source) at javax.swing.JFileChooser.setup(Unknown Source) at javax.swing.JFileChooser.<init>(Unknown Source) at javax.swing.JFileChooser.<init>(Unknown Source) at MMCDCatalog.openDB(MMCDCatalog.java:570) at MMCDCatalog.access$200(MMCDCatalog.java:77) at MMCDCatalog$OpenFileAction.actionPerformed(MMCDCatalog.java:1023) at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.setPressed(Unknown Source) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source) at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source) at java.awt.Component.processMouseEvent(Unknown Source) at java.awt.Component.processEvent(Unknown Source) at java.awt.Container.processEvent(Unknown Source) at java.awt.Component.dispatchEventImpl(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Window.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source)

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