title: javax.faces.view.facelets.TagAttributeException
body: <p>I'm creating a small application using JSF,facing the exception, below is the code for the form.</p>
  
  <pre><code>  &lt;h:form&gt;
  
   &lt;h:selectManyCheckbox value="#{transferMB.selectedItems}"&gt;
      &lt;f:selectItem itemValue="1" itemLabel="Transfer Status" /&gt;
        &lt;p:ajax update=":transForm" /&gt;
   &lt;/h:selectManyCheckbox&gt;
  
  &lt;/h:form&gt;
  </code></pre>
  
  <p>exception " javax.faces.view.facelets.TagAttributeException:"</p>