 sophisticated algorithm to dynamically create
 <code>ServerSession</code> objects as needed.

 <p>
 If the <code>ServerSessionPool</code> is out of <code>ServerSession</code> objects, the <code>getServerSession</code> call may
 block. If a <code>ConnectionConsumer</code> is blocked, it cannot deliver new messages until a <code>ServerSession</code> is
 eventually returned.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>JMS 1.0</dd>
<dt><span class="simpleTagLabel">Version:</span></dt>
<d