ndler(<a href="../../../jakarta/xml/bind/ValidationEventHandler.html" title="interface in jakarta.xml.bind">ValidationEventHandler</a>&nbsp;handler)
              throws <a href="../../../jakarta/xml/bind/JAXBException.html" title="class in jakarta.xml.bind">JAXBException</a></pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">since JAXB2.0</span></div>
<div class="block">Allow an application to register a validation event handler.
 <p>
 The valida