Using Hibernate built-in connection pool

J2EE 码拜 6年前 (2015-04-07) 616次浏览 0个评论
<!--Employee.hbm.xml-->
<?xml version="1.0" encoding="utf-8"?>

<!DOCTYPE hibernate-mapping SYSTEM "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd" >
<hibernate-mapping package="com.hsp.domain">
	<class name="Employee" table="employee">
	<!-- id元素用于指定主键属性 -->
	<id name="id" column="id" type="java.lang.Integer">
	<!-- 该元素用于指定主键值生成策略hilo native increment sequence uuid -->
	<generator class="sequence">
	<param name="sequence">emp_seq</param>
	</generator>
	</id>
	<!-- 对其它属性还有配置 -->
	<property name="name" type="java.lang.String">
	<column name="name" not-null="false"  />
	</property>
	<property name="email" type="java.lang.String" >
	<column name="email" not-null="false"/>
	</property>
	<property name="hiredate" type="java.util.Date">
	<column name="hiredate" not-null="false" />
	</property>
	</class>

</hibernate-mapping>
//Employee.java
package com.lh.domain;

public class Employee {
	private Integer id;
	private String name;
	private String email;
	private java.util.Date hiredate;
	public Integer getId() {
		return id;
	}
	public void setId(Integer id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getEmail() {
		return email;
	}
	public void setEmail(String email) {
		this.email = email;
	}
	public java.util.Date getHiredate() {
		return hiredate;
	}
	public void setHiredate(java.util.Date hiredate) {
		this.hiredate = hiredate;
	}

}

<!--hibernate.cfg.xml-->
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
	<!-- hibernate 设计者,给我们提供了一写常用的配置 -->
	<!-- 配置使用的driver -->
	<property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
	<property name="connection.username">scott</property>
	<property name="connection.password">Tiger222</property>
	<property name="connection.url">jdbc:oracle:thin:@127.0.0.1:1521:orcllh</property>
	<!-- 配置dialect方言,明确告诉hibernate连接是哪种数据库 -->
	<property name="dialect">org.hibernate.dialect.OracleDialect</property>
	<!-- 显示出对于sql -->
	<property name="show_sql">true</property>
	<!-- 指定管理的对象映射文件 -->
	<mapping resource="com/lh/domain/Employee.hbm.xml"/>
</session-factory>
</hibernate-configuration>
package com.lh.view;


import java.util.Date;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistryBuilder;

import com.lh.domain.Employee;
public class TestMain {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		//查询[load]->hql语句(hibernate query language)
		//我们使用hibernate完成crud操作[这里我们只见对象,不见表]
		//现在我们不是用service ,直接测试.
		//1。创建Configuration,该对象用于读取hibernate.cfg.xml,并完成初始化
		Configuration configuration=new Configuration().configure();
		//2.创建SessoinFactory[这是一个会话工厂,是一个重量级的对象]
		ServiceRegistryBuilder srb = new ServiceRegistryBuilder();
		SessionFactory sessionFactory= configuration.buildSessionFactory(srb.buildServiceRegistry());
		//SessionFactory sessionFactory=configuration.buildSessionFactory();
		//3.创建Sessoin 相当于jdbc Connection[ servelt HttpSession ,也不是 jsp session]
		Session session=sessionFactory.openSession();
		//4.对hiberate而言,要求程序员,在进行 增加,删除,修改的时候使用事务提交,
		Transaction transaction = session.beginTransaction();
		//添加一个雇员
		Employee employee=new Employee();
		employee.setName("shunping");
		employee.setEmail("shunping@sohu.com");
		employee.setHiredate(new Date());
		//insert .............
		//保存
		session.save(employee);//save employee就是持久化该对象 (把对象保存到了数据库中称为一条记录)
		//==>insert into ....[被hiberante封装]
		//提交
		transaction.commit();
		session.close();
	}


}

配置的hibernate版本是hibernate-release-4.2.4.Final.原本buildSessionFactory()方法被废弃后用新方法依然无法通过…报错如下

八月 17, 2013 8:53:43 下午 org.hibernate.annotations.common.Version <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {4.0.2.Final}
八月 17, 2013 8:53:43 下午 org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {4.2.4.Final}
八月 17, 2013 8:53:43 下午 org.hibernate.cfg.Environment <clinit>
INFO: HHH000205: Loaded properties from resource hibernate.properties: {hibernate.connection.driver_class=org.h2.Driver, hibernate.dialect=org.hibernate.dialect.H2Dialect, hibernate.max_fetch_depth=5, hibernate.format_sql=true, hibernate.generate_statistics=true, hibernate.connection.username=sa, hibernate.connection.url=jdbc:h2:mem:db1;DB_CLOSE_DELAY=-1;MVCC=TRUE, hibernate.bytecode.use_reflection_optimizer=false, hibernate.jdbc.batch_versioned_data=true, hibernate.connection.pool_size=5}
八月 17, 2013 8:53:43 下午 org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
八月 17, 2013 8:53:43 下午 org.hibernate.cfg.Configuration configure
INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml
八月 17, 2013 8:53:43 下午 org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: HHH000040: Configuration resource: /hibernate.cfg.xml
八月 17, 2013 8:53:43 下午 org.hibernate.internal.util.xml.DTDEntityResolver resolveEntity
WARN: HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide!
八月 17, 2013 8:53:43 下午 org.hibernate.cfg.Configuration addResource
INFO: HHH000221: Reading mappings from resource: com/lh/domain/Employee.hbm.xml
八月 17, 2013 8:53:43 下午 org.hibernate.cfg.Configuration doConfigure
INFO: HHH000041: Configured SessionFactory: null
八月 17, 2013 8:53:43 下午 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000402: Using Hibernate built-in connection pool (not for production use!)
Exception in thread "main" org.hibernate.service.classloading.spi.ClassLoadingException: Specified JDBC Driver org.h2.Driver could not be loaded
	at org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:111)
	at org.hibernate.service.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:75)
	at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:159)
	at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:131)
	at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.buildJdbcConnectionAccess(JdbcServicesImpl.java:223)
	at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:89)
	at org.hibernate.service.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:75)
	at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:159)
	at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:131)
	at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:1818)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1776)
	at com.lh.view.TestMain.main(TestMain.java:26)
Caused by: org.hibernate.service.classloading.spi.ClassLoadingException: Unable to load class [org.h2.Driver]
	at org.hibernate.service.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:149)
	at org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:106)
	... 11 more
Caused by: java.lang.ClassNotFoundException: Could not load requested class : org.h2.Driver
	at org.hibernate.service.classloading.internal.ClassLoaderServiceImpl$AggregatedClassLoader.findClass(ClassLoaderServiceImpl.java:296)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:270)
	at org.hibernate.service.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:146)

菜鸟求解答,看的是韩顺平2011的hibernate视频,视频中用的版本是3,jar包有很多不一样的,就把目前4里有的jar包全都引入项目~~不知做法是否正确,顺便问一下hibernate普遍用的版本是多少~谢谢各位大神~~答案正确绝对按时结贴~

Using Hibernate built-in connection pool
50分
目测Oracle的数据库jar包没有加进去
Using Hibernate built-in connection pool
引用 1 楼 zhongxianyao 的回复:

目测Oracle的数据库jar包没有加进去

64位机器引入了ojdbc6.jar依然报错,请问一下org.h2.driver是什么包??还是我用的hibernate的版本不对的原因?

Using Hibernate built-in connection pool
50分
srb.applySettings(configuration.getProperties()).buildServiceRegistry();
Using Hibernate built-in connection pool
引用 1 楼 zhongxianyao 的回复:

目测Oracle的数据库jar包没有加进去

引用 3 楼 fudongrifdr 的回复:

srb.applySettings(configuration.getProperties()).buildServiceRegistry();

谢谢两位,已经解决啦~纯散分给二位~

Using Hibernate built-in connection pool
多谢楼主了
Using Hibernate built-in connection pool
楼主,我也遇到了类似的问题,你是怎么解决的啊?

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