java.lang.ClassCastException: org.netbeans.modules.java.JavaDataObject
	at org.netbeans.modules.javadoc.comments.AutoCommentAction.findInFolder(AutoCommentAction.java:99)
	at org.netbeans.modules.javadoc.comments.AutoCommentAction.enable(AutoCommentAction.java:89)
	at org.openide.util.actions.NodeAction.isEnabled(NodeAction.java:133)
	at org.openide.actions.ToolsAction.generate(ToolsAction.java:144)
	at org.openide.actions.ToolsAction.access$200(ToolsAction.java:45)
	at org.openide.actions.ToolsAction$Inline.run(ToolsAction.java:224)
	at org.openide.awt.JInlineMenu.doUpdate(JInlineMenu.java:171)
	at org.openide.awt.JInlineMenu.prepareItemsInContainer(JInlineMenu.java:160)
	at org.openide.awt.JMenuPlus.setPopupMenuVisible(JMenuPlus.java:54)
	at javax.swing.JPopupMenu.menuSelectionChanged(JPopupMenu.java:1463)
	at javax.swing.MenuSelectionManager.setSelectedPath(MenuSelectionManager.java:89)
	at javax.swing.plaf.basic.BasicMenuUI.appendPath(BasicMenuUI.java:217)
	at javax.swing.plaf.basic.BasicMenuUI.access$200(BasicMenuUI.java:32)
	at javax.swing.plaf.basic.BasicMenuUI$Handler.mousePressed(BasicMenuUI.java:457)
	at javax.swing.plaf.basic.BasicMenuUI$MouseInputHandler.mousePressed(BasicMenuUI.java:337)
	at java.awt.Component.processMouseEvent(Component.java:5485)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3093)
	at java.awt.Component.processEvent(Component.java:5253)
	at java.awt.Container.processEvent(Container.java:1966)
	at java.awt.Component.dispatchEventImpl(Component.java:3955)
	at java.awt.Container.dispatchEventImpl(Container.java:2024)
	at java.awt.Component.dispatchEvent(Component.java:3803)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3889)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
	at java.awt.Container.dispatchEventImpl(Container.java:2010)
	at java.awt.Window.dispatchEventImpl(Window.java:1774)
	at java.awt.Component.dispatchEvent(Component.java:3803)
[catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)