java.lang.NoClassDefFoundError: javax/persistence/EntityManagerFactory

java.lang.NoClassDefFoundError: javax/persistence/EntityManagerFactory

缺少 hibernate-entitymanager-4.2.1.Final.jar

<dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-entitymanager</artifactId>
    <version>4.2.1.Final</version>
</dependency>