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<h4>getPersistenceUnitRootUrl</h4>
<pre class="methodSignature"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/net/URL.html?is-external=true" title="class or interface in java.net" class="externalLink">URL</a>&nbsp;getPersistenceUnitRootUrl()</pre>
<div class="block">Returns the URL for the jar file or directory that is the
 root of the persistence unit. (If the persistence unit is
 rooted in the WEB-INF/classes directory, this wil