获取不了SessionFactory

zichangxie 2015-01-22 04:25:13

我的配置文件是这样的:

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

<beans xmlns="http://www.springframework.org/schema/beans"

	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"

	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jdbc="http://www.springframework.org/schema/jdbc"

	xsi:schemaLocation="

		http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd

		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd

		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd

		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd">

    

    <context:property-placeholder location="classpath:jdbc.properties"/>

	<!-- 其他datasource有C3P0和BoneCP -->

    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"

        destroy-method="close">

        <property name="driverClassName">

            <value>${jdbc.driverClassName}</value>

        </property>

        <property name="url">

            <value>${jdbc.url}</value>

        </property>

        <property name="username">

            <value>${jdbc.username}</value>

        </property>

        <property name="password">

            <value>${jdbc.password}</value>

        </property>

    </bean>

    <tx:annotation-driven/>

	 <bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">

	        <property name="dataSource" ref="dataSource"/>

	 <!--      <property name="packagesToScan" value="com.apress.prospring3.ch9.domain"/> -->  

	        <property name="hibernateProperties">

	            <props>

	                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>

	                <prop key="hibernate.max_fetch_depth">3</prop>

	                <prop key="hibernate.jdbc.fetch_size">50</prop>

	                <prop key="hibernate.jdbc.batch_size">10</prop>

	                <prop key="hibernate.show_sql">true</prop>

	            </props>

	        </property>        

	   </bean>

	<context:component-scan base-package="com.springhibernate.hibernate" />

    

    <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">

        <property name="sessionFactory" ref="sessionFactory"/>

    </bean>    



</beans>

然后主程序是这样：

public static void main(String[] args) {

		GenericXmlApplicationContext ctx = new GenericXmlApplicationContext();

		ctx.load("classpath:HibernateSessionFactory.xml");

//		ctx.refresh();

		ContactDao contactDao = ctx.getBean("contactDao", ContactDao.class);

		SessionFactory sessionFactory = (SessionFactory)ctx.getBean("sessionFactory");

//		DataSource datasource = (DataSource)ctx.getBean("dataSource");

		System.out.println(sessionFactory.toString());

我尝试过获取DataSource是没问题的，可是就是死活获取不了SessionFactory，提示java.lang.ClassNotFoundException: org.hibernate.MappingException，请各位大侠指教指教

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zichangxie 2015-02-05

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是jar包版本问题，hibernate3.6版本有问题

乔不思 2015-01-23

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实体类注解加了么？你看看你的实体映射文件在么，或者实体类上面加了映射的注解了么

<!-- 这个是声明要扫描的 xxx.hbm.xml所在的文件（也扫描了对应的类 ），主要是XXX.hbm.xml文件，更具该文件生成数据库表-->
				<property name="mappingDirectoryLocations" >
					<list>
						<value>classpath:com/zsq/sjcj1/model</value>
					</list>
				
				</property>

这个是一种要是用的是hibernate的注解的话，必须要配置扫描的实体类所在的包

切糕师学AI 2015-01-23

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好像少了在applicationContext.xml中配置映射文件http://blog.csdn.net/huiwenjie168/article/details/7013618

zq5954576 2015-01-23

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应该是jar问题

zichangxie 2015-01-23

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引用 5 楼 u010880076 的回复:

应该是jar的问题。。。

用maven管理的依赖，我自己又检查了一遍，应该没有问题

zichangxie 2015-01-23

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引用 7 楼 zhouren1314 的回复:

实体类注解加了么？你看看你的实体映射文件在么，或者实体类上面加了映射的注解了么

				<property name="mappingDirectoryLocations" >
					<list>
						<value>classpath:com/zsq/sjcj1/model</value>
					</list>
				
				</property>
这个是一种要是用的是hibernate的注解的话，必须要配置扫描的实体类所在的包

实体类已经加注解了

@Entity
@Table(name="contact")
public class Contact implements Serializable {
	private static final long serialVersionUID = -554352144027434074L;
	private Long id;
	private String firstName;
	private String lastName;
	private Date birthDay;
	
	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	@Column(name="ID")
	public Long getId() {
		return id;
	}
	public void setId(Long id) {
		this.id = id;
	}
	@Column(name="FIRST_NAME")
	public String getFirstName() {
		return firstName;
	}
	public void setFirstName(String firstName) {
		this.firstName = firstName;
	}
	@Column(name="LAST_NAME")
	public String getLastName() {
		return lastName;
	}
	public void setLastName(String lastName) {
		this.lastName = lastName;
	}
	@Temporal(TemporalType.DATE)
	@Column(name="BIRTH_DAY")
	public Date getBirthDay() {
		return birthDay;
	}
	public void setBirthDay(Date birthDay) {
		this.birthDay = birthDay;
	}
	
}

你说必须要配置扫描实体类所在的包是加上这个么：<property name="packagesToScan" value="com.apress.prospring3.ch9.domain"/> 不过不是spring3.1之后就不用配置这句话了么？