java.lang.NullPointerException
   at java.io.File.<init>(File.java:222)
   at br.com.claudius.netbeans.jvmsettings.JVMSettingUI.updateConf(JVMSettingUI.java:446)
   at br.com.claudius.netbeans.jvmsettings.JVMOptionController.update(JVMOptionController.java:43)
   at org.netbeans.modules.options.advanced.Model$DelegatingController.update(Model.java:299)
   at org.netbeans.modules.options.advanced.Model.update(Model.java:182)
   at org.netbeans.modules.options.advanced.AdvancedPanel.handleTabSwitched(AdvancedPanel.java:208)
   at org.netbeans.modules.options.advanced.AdvancedPanel.access$100(AdvancedPanel.java:75)
   at org.netbeans.modules.options.advanced.AdvancedPanel$1.stateChanged(AdvancedPanel.java:83)
   at javax.swing.JTabbedPane.fireStateChanged(JTabbedPane.java:400)
   at javax.swing.JTabbedPane$ModelListener.stateChanged(JTabbedPane.java:253)
   at javax.swing.DefaultSingleSelectionModel.fireStateChanged(DefaultSingleSelectionModel.java:116)
   at javax.swing.DefaultSingleSelectionModel.setSelectedIndex(DefaultSingleSelectionModel.java:50)
   at javax.swing.JTabbedPane.setSelectedIndexImpl(JTabbedPane.java:599)
   at javax.swing.JTabbedPane.setSelectedIndex(JTabbedPane.java:574)
   at javax.swing.plaf.basic.BasicTabbedPaneUI$Handler.mousePressed(BasicTabbedPaneUI.java:3628)
   at java.awt.Component.processMouseEvent(Component.java:6260)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
   at java.awt.Component.processEvent(Component.java:6028)
   at java.awt.Container.processEvent(Container.java:2041)
   at java.awt.Component.dispatchEventImpl(Component.java:4630)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4574)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4235)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168)
   at java.awt.Container.dispatchEventImpl(Container.java:2085)
   at java.awt.Window.dispatchEventImpl(Window.java:2478)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
   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)