title: SelectOneRadio inside subtable ajax call not working
body: <p>I'm using primefaces 3.4.1 and I'm trying to use a SelectOneRadio with an ajax call inside a <a href="http://www.primefaces.org/showcase-labs/ui/datatableSubTable.jsf" rel="noreferrer">subtable</a>
  but it doesn't work, the ajax listener isn't called</p>
  
  <pre><code>&lt;p:dataTable id="competenciesTable" var="competency" value="#{evaluationControl.currentEvaluation.evaluatedCompetencies}"&gt;
                  &lt;f:facet name="header"&gt;
                      &lt;h:outputText value="#{gchmsg['global.competencies']}" /&gt;
                  &lt;/f:facet&gt;
                  &lt;p:subTable id="descriptorsTable" var="descriptor" value="#{competency.evaluationDescriptors}"&gt;
                      &lt;f:facet name="header"&gt;
                          &lt;h:outputText class="strong" value="#{competency.competency.name}" /&gt;
                      &lt;/f:facet&gt;
                      &lt;p:column&gt;#{descriptor.descriptor.description}&lt;/p:column&gt;
                      &lt;p:column&gt;
                          &lt;p:selectOneRadio required="true" styleClass="calification_scale" id="descriptorCalification" value="#{descriptor.calification}" converter="calification"&gt;  
                              &lt;f:selectItems value="#{competency.competency.calificationSchema.scales}" var="scale" itemLabel="#{scale.qualitativeValue}" itemDescription="#{scale.description}" itemValue="#{scale}" /&gt;
                              &lt;p:ajax process="@this" listener="#{evaluationControl.handleRadioChange}" update=":evaluationForm:finalResultText, descriptorCalificationMsg" /&gt;
                          &lt;/p:selectOneRadio&gt; 
                          &lt;p:message id="descriptorCalificationMsg" for="descriptorCalification" display="icon" /&gt;
                      &lt;/p:column&gt;
                  &lt;/p:subTable&gt;
              &lt;/p:dataTable&gt;
  </code></pre>
  
  <p>The evaluationControl is a SessionBean and the method is</p>
  
  <pre><code>public void handleRadioChange() {
      log.debug("Listener called");
  }
  </code></pre>
  
  <p>Help is appreciated.</p>