java.lang.IllegalArgumentException: Method already exists or is not public
        at org.netbeans.modules.visualweb.insync.live.ContextMethodHelper.createContextMethod(ContextMethodHelper.java:206)
        at org.netbeans.modules.visualweb.insync.live.LiveUnit.createContextMethod(LiveUnit.java:1454)
        at com.icesoft.faces.dt.DataTableAddRowSelectorAction.addSelectionListener(DataTableAddRowSelectorAction.java:71)
        at com.icesoft.faces.dt.DataTableAddRowSelectorAction.invoke(DataTableAddRowSelectorAction.java:85)
        at org.netbeans.modules.visualweb.insync.action.AbstractDisplayActionAction.invokeDisplayAction(AbstractDisplayActionAction.java:143)
        at org.netbeans.modules.visualweb.insync.action.AbstractDisplayActionAction.access$200(AbstractDisplayActionAction.java:94)
        at org.netbeans.modules.visualweb.insync.action.AbstractDisplayActionAction$SingleDisplayActionAction.actionPerformed(AbstractDisplayActionAction.java:272)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1882)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2202)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:334)
        at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1051)
        at apple.laf.CUIAquaMenuItem.doClick(CUIAquaMenuItem.java:119)
        at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1092)
        at java.awt.Component.processMouseEvent(Component.java:5602)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)
        at java.awt.Component.processEvent(Component.java:5367)
        at java.awt.Container.processEvent(Container.java:2010)
        at java.awt.Component.dispatchEventImpl(Component.java:4068)
        at java.awt.Container.dispatchEventImpl(Container.java:2068)
        at java.awt.Component.dispatchEvent(Component.java:3903)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4256)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3936)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3866)
        at java.awt.Container.dispatchEventImpl(Container.java:2054)
        at java.awt.Window.dispatchEventImpl(Window.java:1801)
        at java.awt.Component.dispatchEvent(Component.java:3903)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)