Exemplo de binding JAXB que força @XMLRootElement nas entidades criadas

binding.xml

<?xml version="1.0" encoding="UTF-8"?>
<jaxws:bindings wsdlLocation="DetranMock.wsdl"
	xmlns:jaxws="http://java.sun.com/xml/ns/jaxws" xmlns:xjc="http://java.sun.com/xml/ns/jaxb/xjc"
	xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:jxb="http://java.sun.com/xml/ns/jaxb"
	xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:annox="http://annox.dev.java.net"
	jxb:extensionBindingPrefixes="xjc annox">
	<jaxws:enableWrapperStyle>false</jaxws:enableWrapperStyle>
	<jaxws:bindings
		node="wsdl:definitions/wsdl:types/xs:schema[@targetNamespace='http://detran.mock']">
		<jxb:globalBindings xmlns:jxb="http://java.sun.com/xml/ns/jaxb"
			xmlns:xs="http://www.w3.org/2001/XMLSchema">
			<xjc:generateElementProperty>false</xjc:generateElementProperty>
			<xjc:serializable uid="1" />
		</jxb:globalBindings>
		<jxb:bindings node="xs:complexType[@name='registrarContratoMockRequest']">
			<annox:annotate>
				<annox:annotate annox:class="javax.xml.bind.annotation.XmlRootElement"
					name="registrarContratoMockRequest" />
			</annox:annotate>
		</jxb:bindings>
		<jxb:bindings node="xs:complexType[@name='registrarContratoMockResponse']">
			<annox:annotate>
				<annox:annotate annox:class="javax.xml.bind.annotation.XmlRootElement"
					name="registrarContratoMockResponse" />
			</annox:annotate>
		</jxb:bindings>
	</jaxws:bindings>
</jaxws:bindings>