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$DelegatingController.update(Model.java:273)
        at org.netbeans.modules.options.advanced.Model.update(Model.java:169)
        at org.netbeans.modules.options.advanced.AdvancedPanel.update(AdvancedPanel.java:96)
        at org.netbeans.modules.options.advanced.AdvancedPanelController.update(AdvancedPanelController.java:70)
        at org.netbeans.modules.options.CategoryModel$Category.update(CategoryModel.java:378)
        at org.netbeans.modules.options.OptionsPanel.setCurrentCategory(OptionsPanel.java:177)
        at org.netbeans.modules.options.OptionsPanel.initCurrentCategory(OptionsPanel.java:138)
        at org.netbeans.modules.options.OptionsDisplayerImpl.showOptionsDialog(OptionsDisplayerImpl.java:171)
        at org.netbeans.api.options.OptionsDisplayer$1.run(OptionsDisplayer.java:140)
        at org.netbeans.api.options.OptionsDisplayer$1.run(OptionsDisplayer.java:128)
        at org.openide.util.Mutex.doEventAccess(Mutex.java:1355)
        at org.openide.util.Mutex.readAccess(Mutex.java:268)
        at org.netbeans.api.options.OptionsDisplayer.openImpl(OptionsDisplayer.java:127)
        at org.netbeans.api.options.OptionsDisplayer.open(OptionsDisplayer.java:117)
        at org.netbeans.api.options.OptionsDisplayer.open(OptionsDisplayer.java:79)
        at org.netbeans.modules.options.OptionsWindowAction.actionPerformed(OptionsWindowAction.java:60)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
        at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1225)
        at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1266)
        at java.awt.Component.processMouseEvent(Component.java:6134)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
        at java.awt.Component.processEvent(Component.java:5899)
        at java.awt.Container.processEvent(Container.java:2023)
        at java.awt.Component.dispatchEventImpl(Component.java:4501)
        at java.awt.Container.dispatchEventImpl(Container.java:2081)
        at java.awt.Component.dispatchEvent(Component.java:4331)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4301)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3965)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3895)
        at java.awt.Container.dispatchEventImpl(Container.java:2067)
        at java.awt.Window.dispatchEventImpl(Window.java:2458)
        at java.awt.Component.dispatchEvent(Component.java:4331)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        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)