报错信息:
Exception in thread "main" javax.persistence.PersistenceException: No Persistence provider for EntityManager named jpatest
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:56)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:34)
at test.TestQuery.main(TestQuery.java:16)
附:
<?xml version="1.0" encoding="UTF-8"?>
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_2_0.xsd">
<persistence-unit name="jpatest" transaction-type="RESOURCE_LOCAL">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<properties>
<!--配置数据库驱动 -->
<property name="hibernate.connection.driver_class" value="oracle.jdbc.driver.OracleDriver" />
<!--配置数据库用户名 -->
<property name="hibernate.connection.username" value="root" />
<!--配置数据库密码 -->
<property name="hibernate.connection.password" value="root" />
<!--配置数据库url -->
<property name="hibernate.connection.url" value="jdbc:oracle:thin:@192.168.10.10:1521:dbtest" />
</properties>
</persistence-unit>
主方法:
public class TestQuery {
public static void main(String[] args) {
// TODO Auto-generated method stub
EntityManagerFactory emf = Persistence.createEntityManagerFactory("jpatest");
EntityManager em = emf.createEntityManager();
//....
}
}
实在不知道如何下手,求助各位大神。