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This happens when you try to instantiate a class that can't be instantiated, either because the class object is abstract, an interface, an array class, a primitive type, void, or because the class has no nullary constructor.

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  • Problem with listener for PanelTabSet
    via by gabrielmcl,
    • java.lang.InstantiationException: com.amadeus.reg_dashboard.controller.TabsetContentsController$TabChangeListenerImpl at java.lang.Class.newInstance0( at java.lang.Class.newInstance( at javax.faces.component.StateHolderSaver.restore( at javax.faces.component.UIComponentBase.restoreAttachedState( at javax.faces.component.UIComponentBase.restoreState( at javax.faces.component.UIData.restoreState( at javax.faces.component.html.HtmlDataTable.restoreState(

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