-@XmlRootElement(name="connector", namespace=JavaEEMetaDataConstants.J2EE_NS)
+@XmlRootElement(name="connector", namespace=JavaEEMetaDataConstants.JAVAEE_NS)
@JBossXmlSchema(

• xmlns= {@XmlNs(namespaceURI = JavaEEMetaDataConstants.J2EE_NS, prefix = "jee")}

  ,
  + xmlns=

  {@XmlNs(namespaceURI = JavaEEMetaDataConstants.JAVAEE_NS, prefix = "jee")}

  ,
  ignoreUnresolvedFieldOrClass=false,

• namespace=JavaEEMetaDataConstants.J2EE_NS,
  + namespace=JavaEEMetaDataConstants.JAVAEE_NS,
  elementFormDefault=XmlNsForm.QUALIFIED,
  normalizeSpace=true)
  public class JCA16MetaData extends Connector16MetaData

The JBoss XSD needs to be fixed as well:
+++ src/main/resources/schema/jboss-ra_1_0.xsd (working copy)
@@ -2,13 +2,12 @@
<xs:schema xmlns="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.jboss.org/schema/ra"
xmlns:ra="http://www.jboss.org/schema/ra" xmlns:xs="http://www.w3.org/2001/XMLSchema"

• xmlns:j2ee="http://java.sun.com/xml/ns/j2ee/"
  + xmlns:j2ee="http://java.sun.com/xml/ns/j2ee"
  elementFormDefault="qualified" attributeFormDefault="unqualified" version="1.0">

• <xsd:include schemaLocation="j2ee_1_4.xsd"/>
• <xs:element name="jboss-ra" type="ra:jbossRaType">
  -
• </xs:element>
  + <xs:import namespace="http://java.sun.com/xml/ns/j2ee" schemaLocation="j2ee_1_4.xsd"/>