public class SirketEntityManagedBean {

    private EntityManagerFactory myEntityManagerFactory;

    public SirketEntityManagedBean() {
        myEntityManagerFactory =   Persistence.createEntityManagerFactory("NewPersistenceUnit");
    }


}

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0  http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>VPNTest6</groupId>
    <artifactId>VPNTest6</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>
        <dependency>
            <groupId>VPNTest6</groupId>
            <artifactId>VPNTest6</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>4.2.2.Final</version>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>4.2.2.Final</version>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-annotations</artifactId>
            <version>3.5.6-Final</version>
        </dependency>



    </dependencies>

</project>

<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD//EN"
        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <session-factory>
        <property name="connection.url">jdbc:oracle:thin:@//192.168.10.115:1521/PROD</property>
        <property name="connection.driver_class">oracle.jdbc.OracleDriver</property>
        <mapping class="hib.OrtamEntity"/>
        <mapping class="hib.SorumluEntity"/>
        <mapping class="hib.SirketEntity"/>
        <mapping class="hib.VpnkullaniciEntity"/>
        <!-- DB schema will be updated if needed -->
        <!-- <property name="hbm2ddl.auto">update</property> -->
    </session-factory>
</hibernate-configuration>

<persistence xmlns="http://java.sun.com/xml/ns/persistence" version="2.0">

    <persistence-unit name="NewPersistenceUnit">
        <provider>org.hibernate.ejb.HibernatePersistence</provider>
        <class>hib.OrtamEntity</class>
        <class>hib.SorumluEntity</class>
        <class>hib.SirketEntity</class>
        <class>hib.VpnkullaniciEntity</class>
        <properties>
            <property name="hibernate.connection.url" value="jdbc:oracle:thin:@//192.168.10.115:1521/PROD"/>
            <property name="hibernate.connection.driver_class" value="oracle.jdbc.OracleDriver"/>
            <property name="hibernate.connection.username" value="XXTEST"/>
            <property name="hibernate.connection.password" value="XXTEST"/>
            <property name="hibernate.archive.autodetection" value="class"/>
            <property name="hibernate.show_sql" value="true"/>
            <property name="hibernate.format_sql" value="true"/>
            <property name="hbm2ddl.auto" value="update"/>
        </properties>
    </persistence-unit>
</persistence>