JBossXBException for persistence.xml while deploying JPA application on JBoss EAP 5

Issue

• While deploying following kind of "persistence.xml" file as part of a WAR file we get parsing exceptions.

<?xml version="1.0" encoding="UTF-8"?>
    <persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://java.sun.com/xml/ns/persistence  http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" 
        version="1.0">
        <persistence-unit name="Test23" transaction-type="RESOURCE_LOCAL">
            <provider>org.hibernate.ejb.HibernatePersistence</provider>     
            <class>jpa.Employee</class>
            <non-jta-data-source>java:/DefaultDS</non-jta-data-source>
            <properties>
                        <property name="hibernate.hbm2ddl.auto" value="create-drop"/>
                    <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
                        <property name="jboss.entity.manager.factory.jndi.name" value="java:/MyEntityManagerFactory"/> 
                        <property name="jboss.entity.manager.jndi.name" value="java:/MyEntityManager"/>
                        <property name="hibernate.show_sql" value="true" />
            </properties>
        </persistence-unit>
    </persistence>

• The Exception in the Server Log appears as following:

    Caused by: org.jboss.xb.binding.JBossXBException: Failed to parse source: cvc-complex-type.2.4.a: Invalid content was found starting with element 'non-jta-data-source'. One of '{"http://java.sun.com/xml/ns/persistence":class, "http://java.sun.com/xml/ns/persistence":exclude-unlisted-classes, "http://java.sun.com/xml/ns/persistence":properties}' is expected. @ vfszip:/C:/jboss/jboss-eap-5.1.1/jboss-eap-5.1/jboss-as/server/default_JPA/Test.war/WEB-INF/classes/META-INF/persistence.xml[8,24]
        at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.parse(SaxJBossXBParser.java:203)
        at org.jboss.xb.binding.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:168)
        at org.jboss.xb.util.JBossXBHelper.parse(JBossXBHelper.java:189)
        at org.jboss.xb.util.JBossXBHelper.parse(JBossXBHelper.java:166)
        at org.jboss.deployers.vfs.spi.deployer.SchemaResolverDeployer.parse(SchemaResolverDeployer.java:137)
        at org.jboss.deployers.vfs.spi.deployer.SchemaResolverDeployer.parse(SchemaResolverDeployer.java:121)
        at org.jboss.deployers.vfs.spi.deployer.AbstractVFSParsingDeployer.parseAndInit(AbstractVFSParsingDeployer.java:304)
        at org.jboss.deployers.vfs.spi.deployer.AbstractVFSParsingDeployer.parseAndInit(AbstractVFSParsingDeployer.java:286)
        at org.jboss.deployers.vfs.spi.deployer.AbstractVFSParsingDeployer.parse(AbstractVFSParsingDeployer.java:203)
        at org.jboss.deployers.spi.deployer.helpers.AbstractParsingDeployerWithOutput.createMetaData(AbstractParsingDeployerWithOutput.java:348)
        ... 33 more