m URL, with authorization and
store at other reference, but only when property <em>jmx.if</em> exists and
<em>jmx.unless</em> not exists
</p>
<div class="codeBox"><pre><code>  &lt;jmx:open
    url="service:jmx:rmi:///jndi/rmi://localhost:9024/jmxrmi"
    ref="jmx.server.9024"
    username="controlRole"
    password="tomcat"
    if="jmx.if"
    unless="jmx.unless"
  /&gt;</code></pre></div>

<p><b>Note</b>: All properties from <em>jmxOpen</em> task also exists at all
other tasks and conditions.
</p>

</div><