Class jakarta.faces.component.UISelectItems has no possibility to set attribute var programmatically. Call method items.setValueExpression("var", expFactory.createValueExpression(elContext, "item", String.class)); raise exception. This is similar behavior as class UIData, but class UIData has method setVar.
Class
jakarta.faces.component.UISelectItemshas no possibility to set attributevarprogrammatically. Call methoditems.setValueExpression("var", expFactory.createValueExpression(elContext, "item", String.class));raise exception. This is similar behavior as classUIData, but classUIDatahas methodsetVar.