java.lang.NullPointerException
        at org.netbeans.modules.ruby.railsprojects.GeneratorPanel.getSelectedGenerator(GeneratorPanel.java:143)
        at org.netbeans.modules.ruby.railsprojects.GeneratorPanel.isValid(GeneratorPanel.java:480)
        at java.awt.Component.invalidateIfValid(Component.java:2740)
        at java.awt.Component.setLocale(Component.java:1810)
        at javax.swing.JComponent.<init>(JComponent.java:595)
        at javax.swing.JPanel.<init>(JPanel.java:65)
        at javax.swing.JPanel.<init>(JPanel.java:92)
        at javax.swing.JPanel.<init>(JPanel.java:100)
        at org.netbeans.modules.ruby.railsprojects.GeneratorPanel.<init>(GeneratorPanel.java:90)
        at org.netbeans.modules.ruby.railsprojects.GenerateAction.generate(GenerateAction.java:174)
        at org.netbeans.modules.ruby.railsprojects.GenerateAction.performAction(GenerateAction.java:153)
        at org.openide.util.actions.NodeAction$DelegateAction$1.run(NodeAction.java:581)
        at org.netbeans.modules.openide.util.ActionsBridge$ActionRunnable.actionPerformed(ActionsBridge.java:111)
        at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:104)
        at org.netbeans.modules.openide.actions.ActionsBridgeImpl.invokeAction(ActionsBridgeImpl.java:52)
        at org.netbeans.modules.openide.util.ActionsBridge$ActionRunnable.doRun(ActionsBridge.java:102)
        at org.netbeans.modules.openide.util.ActionsBridge$1.run(ActionsBridge.java:71)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)