This bug remains:

"I was trying to export a SVG file from the preview and the attached error occur. I'm using a MacbookPro with SnowLeopard.
I've followed step by step the tutorial guide (it worked nice!), but I cannot export the image."

java.lang.NullPointerException
	at org.gephi.desktop.io.export.api.VectorialFileExporterUI$3.propertyChange(VectorialFileExporterUI.java:153)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:347)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
	at java.awt.Component.firePropertyChange(Component.java:8213)
	at javax.swing.JFileChooser.setFileFilter(JFileChooser.java:1449)
	at com.apple.laf.AquaFileChooserUI$FilterComboBoxAction.actionPerformed(AquaFileChooserUI.java:1312)
	at javax.swing.JComboBox.fireActionEvent(JComboBox.java:1240)
	at javax.swing.JComboBox.contentsChanged(JComboBox.java:1311)
	at javax.swing.JComboBox.intervalRemoved(JComboBox.java:1331)
	at javax.swing.AbstractListModel.fireIntervalRemoved(AbstractListModel.java:161)
	at javax.swing.DefaultListModel.clear(DefaultListModel.java:490)
	at com.apple.laf.AquaFileChooserUI$FilterComboBoxModel.propertyChange(AquaFileChooserUI.java:1256)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
	at java.awt.Component.firePropertyChange(Component.java:8213)
	at javax.swing.JFileChooser.addChoosableFileFilter(JFileChooser.java:1144)
	at org.gephi.desktop.io.export.api.VectorialFileExporterUI.action(VectorialFileExporterUI.java:177)
	at org.gephi.desktop.preview.PreviewSettingsTopComponent$3.actionPerformed(PreviewSettingsTopComponent.java:102)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
	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.Component.processMouseEvent(Component.java:6348)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)
	at java.awt.Component.processEvent(Component.java:6113)
	at java.awt.Container.processEvent(Container.java:2085)
	at java.awt.Component.dispatchEventImpl(Component.java:4714)
	at java.awt.Container.dispatchEventImpl(Container.java:2143)
	at java.awt.Component.dispatchEvent(Component.java:4544)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4618)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4282)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4212)
	at java.awt.Container.dispatchEventImpl(Container.java:2129)
	at java.awt.Window.dispatchEventImpl(Window.java:2475)
	at java.awt.Component.dispatchEvent(Component.java:4544)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:635)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:125)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)