voke
      name="Catalina:type=Manager,context=/ClusterTest,host=localhost"
      operation="listSessionIds"
      resultproperty="sessions"
      echo="false"
      delimiter=" "
    /&gt;
    &lt;!-- Access session attribute &lt;em&gt;Hello&lt;/em&gt; from first session.
    --&gt;
    &lt;jmx:invoke
      name="Catalina:type=Manager,context=/ClusterTest,host=localhost"
      operation="getSessionAttribute"
      resultproperty="Hello"
      echo="false"
    &gt;
      &lt;arg value="${sessions.0}"/&gt;
 