e the <tt>CompletionListener</tt>'s <tt>onCompletion</tt> method. The <tt>CompletionListener</tt>
 must not be invoked earlier than this.

 <p>
 <b>Exceptions</b>: If an exception is encountered during the call to the <tt>send</tt> method then an appropriate
 exception should be thrown in the thread that is calling the <tt>send</tt> method. In this case the Jakarta Messaging provider must
 not invoke the <tt>CompletionListener</tt>'s <tt>onCompletion</tt> or <tt>onException</tt> method. If an exception is
 