JSF: NullPointerException in SelectItemsIterator.java:478 and the Solution 📎
A NullPointerException at com.sun.faces.renderkit.SelectItemsIterator$GenericObjectSelectItemIterator$GenericObjectSelectItem.updateItem(SelectItemsIterator.java:478) happens in case the itemLabel bound to a null String
<f:selectItems var="country" itemLabel="#{country}" (...)"/>
Tested with GlassFish v3
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