Adicionei o dataTable no fsp
<h:dataTable id="tableRegiao" value='#{regiao.regiaos}' var='item' border="1" cellpadding="2" cellspacing="0">
<h:column id="coluna1">
<f:facet name="header">
<h:outputText value="Id"/>
</f:facet>
<h:commandLink action="#{regiao.detailSetup}" value="#{item.id}"/>
</h:column>
<h:column id="coluna2">
<f:facet name="header">
<h:outputText id="nome" styleClass="outputText" value="Nome"/>
</f:facet>
<h:outputText id="text1" styleClass="outputText" value="#{item.nome}"/>
</h:column>
<h:column id="coluna3">
<f:facet name="header">
<h:outputText styleClass="outputText" value="Subgrupo"/>
</f:facet>
<h:outputText styleClass="outputText" value="#{item.subgrupo}"/>
</h:column>
</h:dataTable>
criei a chamada funcao Javascript
<h:outputLink id="linkEx3"
onclick="return func_1(this, event);" value="#">
<h:outputText id="text25" value="Excel"></h:outputText>
</h:outputLink>
funcao javascript
<SCRIPT type="text/javascript">
function func_1(thisObj, thisEvent) {
window.open('faces/tabela.jsp?tableId=tableRegiao');
}</SCRIPT>
adicionei no faces-config
net.sf.jsfcomp.excelcreator.ExcelCreatorPhaseListener
Nenhum erro - esta chamando a pagina novamente e não chama a saida para excel.
Alguma sugestao para resolver o problema?