acknowledged automatically according to the value of <code>acknowledgeMode</code>. For a definition of the meaning of
 these acknowledgement modes see the links below. The values <code>JMSContext.SESSION_TRANSACTED</code> and
 <code>JMSContext.CLIENT_ACKNOWLEDGE</code> may not be used.
 </ul></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>userName</code> - the caller's user name</dd>
<dd><code>password</code> - the caller's password</dd>
<dd><code>sessionMode</code> - indicates wh