java.lang.NullPointerException
   at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1838)
   at sun.misc.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
   at java.lang.Double.parseDouble(Double.java:538)
   at org.netbeans.modules.options.export.OptionsChooserPanel.createOptionsTreeModel(OptionsChooserPanel.java:438)
   at org.netbeans.modules.options.export.OptionsChooserPanel.access$700(OptionsChooserPanel.java:95)
   at org.netbeans.modules.options.export.OptionsChooserPanel$6.run(OptionsChooserPanel.java:362)