Struts 2 Persistence.xml OpenJPA

struts2: persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="1.0"
    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">

    <persistence-unit name="shop">

        <provider>
            org.apache.openjpa.persistence.PersistenceProviderImpl
        </provider>

        <class>com.hoan.models.Category</class>
        <class>com.hoan.models.Product</class>

        <properties>
            <property name  = "openjpa.RuntimeUnenhancedClasses" value = "unsupported"/>
            <property name  = "openjpa.DataCache"                value = "true"/>
            <property name  = "openjpa.QueryCache"               value = "true"/>
            <property name  = "openjpa.ConnectionURL"            value = "jdbc:mysql://localhost:3306/shop" />
            <property name  = "openjpa.ConnectionUserName"       value = "root" />
            <property name  = "openjpa.ConnectionPassword"       value = "password" />
            <property name  = "openjpa.ConnectionDriverName"     value = "com.mysql.jdbc.Driver" />
            <property name  = "openjpa.AutoDetach"               value="close, commit, nontx-read"/>
        </properties>

    </persistence-unit>

</persistence>