tence unit. Each URL
 corresponds to a <code>jar-file</code> element in the
 <code>persistence.xml</code> file. A URL will either be a 
 file: URL referring to a jar file or referring to a directory
 that contains an exploded jar file, or some other URL from
 which an InputStream in jar format can be obtained.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a list of URL objects referring to jar files or
 directories</dd>
</dl>
</li>
</ul>
<a id="getPersistenceUnitRootUrl()">
<!--   -->
</