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Struts2+Spring2.5+Hibernate3.2实例教程(2-4)V0.1

    博客分类：
  • java
HibernateJavaApacheBeanSpring 
阅读更多

2）Spring2和Hibernate集成
   2．1）复制必要的jar
   将
D:\JavaTools\spring-framework-2.5.5\lib\j2ee\jta.jar
   D:\JavaTools\spring-framework-2.5.5\lib\c3p0\c3p0-0.9.1.2.jar
D:\JavaTools\hibernate-3.2\lib\antlr-2.7.6.jar
D:\JavaTools\hibernate-3.2\lib\asm.jar
D:\JavaTools\hibernate-3.2\lib\asm-attrs.jar
D:\JavaTools\hibernate-3.2\lib\cglib-2.1.3.jar
D:\JavaTools\hibernate-3.2\lib\commons-collections-2.1.1.jar
D:\JavaTools\hibernate-3.2\lib\dom4j-1.6.1.jar
D:\JavaTools\hibernate-3.2\lib\ehcache-1.2.3.jar
D:\JavaTools\hibernate-3.2\lib\jaxen-1.1-beta-7.jar
   复制到/WEB-INF/lib下
   2．2）修改配置文件
在/WEB-INF/applicationContext.xml中加入Hibernate相关配置。
  <bean id="dataSource"
        class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
        <property name="driverClass" value="com.mysql.jdbc.Driver" />
        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/bitrac" />
        <property name="user" value="root" />
        <property name="password" value="" />
    </bean>
    <bean id="sessionFactory"
        class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="mappingResources">
            <list>
                <value>com/albertsong/bitrac/dao/Member.hbm.xml</value>
            </list>
        </property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">
                    org.hibernate.dialect.MySQLDialect
                </prop>
                <prop key="show_sql">true</prop>
            </props>
        </property>
    </bean>
加入数据访问类的配置
<bean id="memberDao" class="com.albertsong.bitrac.dao.MemberDaoImpl">
        <property name="sessionFactory" ref="sessionFactory" />
    </bean>
给<bean name="adminAction" class="com.albertsong.bitrac.action.AdminAction" />
添加属性<property name="memberDao" ref="memberDao" />
完成以后完整的applicationContext.xml如下：

  1. <? xml version = " 1.0 " encoding = " UTF-8 " ?>
  2. < beans   xmlns = " http://www.springframework.org/schema/beans "
  3.     xmlns:xsi = " http://www.w3.org/2001/XMLSchema-instance "
  4.     xmlns:aop = " http://www.springframework.org/schema/aop "
  5.     xmlns:tx = " http://www.springframework.org/schema/tx "
  6.     xsi:schemaLocation = "
  7.     http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
  8.     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
  9.     http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd " >
  10.  
  11.     < bean   id = " dataSource "  
  12.         class = " com.mchange.v2.c3p0.ComboPooledDataSource "   destroy-method = " close " >
  13.         < property   name = " driverClass " value = " com.mysql.jdbc.Driver " />  
  14.         < property   name = " jdbcUrl " value = " jdbc:mysql://localhost:3306/bitrac " />  
  15.         < property   name = " user " value = " root " />
  16.         < property   name = " password " value = "" />
  17.     </ bean >
  18.     < bean   id = " sessionFactory "
  19.         class = " org.springframework.orm.hibernate3.LocalSessionFactoryBean " >
  20.         < property   name = " dataSource " ref = " dataSource " />
  21.         < property   name = " mappingResources " >
  22.             < list >
  23.                 < value > com/albertsong/bitrac/dao/Member.hbm.xml </ value >
  24.             </ list >
  25.         </ property >
  26.         < property   name = " hibernateProperties " >
  27.             < props >
  28.                 < prop   key = " hibernate.dialect " >
  29.                     org.hibernate.dialect.MySQLDialect
  30.                 </ prop >
  31.                 < prop   key = " show_sql " > true </ prop >
  32.             </ props >
  33.         </ property >
  34.     </ bean >
  35.     < bean   id = " memberDao " class = " com.albertsong.bitrac.dao.MemberDaoImpl " >
  36.         < property   name = " sessionFactory " ref = " sessionFactory " />
  37.     </ bean >
  38.     < bean   name = " adminAction " class = " com.albertsong.bitrac.action.AdminAction " scope = " prototype " >
  39.         < property   name = " memberDao " ref = " memberDao " />
  40.     </ bean >
  41. </ beans >


（要注意的是如果没有scope="prototype"，则登录出错以后，不能再正确登录，原因显然是AdminAction缓存了member的数据，具体原理暂不研究）
 新建Bitrac\src\com\albertsong\bitrac\dao\Member.hbm.xml，这是Hibernate的数据映射文件，内容如下

  1. <? xml version = " 1.0 " encoding = " UTF-8 " ?>
  2. < ! DOCTYPE   hibernate-mapping PUBLIC
  3.         " -//Hibernate/Hibernate Mapping DTD 3.0//EN "
  4.         " http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd " >
  5.  
  6. < hibernate-mapping   package = " com.albertsong.bitrac.dao " >
  7.  
  8.     < class   name = " Member " table = " BT_Member " >
  9.         < id   name = " id " column = " id " >
  10.             < generator   class = " native " />
  11.         </ id >
  12.         < property   name = " grade " />
  13.         < property   name = " username " />
  14.         < property   name = " password " />
  15.         < property   name = " validate " />
  16.         < property   name = " conserve " />
  17.         < property   name = " contact " />
  18.         < property   name = " picture " />
  19.         < property   name = " explain " />
  20.         < property   name = " numPost " />
  21.         < property   name = " numComm " />
  22.         < property   name = " numFile " />
  23.         < property   name = " publish " />
  24.         < property   name = " address " />
  25.  
  26.     </ class >
  27.  
  28. </ hibernate-mapping >


这 里使用了package，如果不使用package，则class的name要使用com.albertsong.bitrac.dao.Member这 样的。property的name和Member的属性对应，因为表BT_Member的列名和Member的属性一样，所以不需要使 用<column />标签。

 

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| Struts2+Spring2.5+Hibernate3.2实例教程(2 ...
评论
2 楼 王者之剑 2009-03-19  
ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is org.hibernate.InvalidMappingException: Could not parse mapping document from input stream

说明hibernate配置文件有问题
这个教程带有完整的源代码，自己可以跟着教程一步步做，有问题请比较源代码。
1 楼 xingqiba 2009-03-18  
我学到了这儿有错了..是怎么回事啊....
2009-03-18 13:49:09,125 INFO [org.springframework.beans.factory.support.DefaultListableBeanFactory] - Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@1557c0: defining beans [loginAction,dataSource,sessionFactory,loginService,loginDao]; root of factory hierarchy
2009-03-18 13:49:09,125 ERROR [org.springframework.web.context.ContextLoader] - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is org.hibernate.InvalidMappingException: Could not parse mapping document from input stream
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1338)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
at java.security.AccessController.doPrivileged(Native Method)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:423)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3830)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4337)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: org.hibernate.InvalidMappingException: Could not parse mapping document from input stream
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:514)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:631)
at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1369)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335)
... 30 more
Caused by: org.dom4j.DocumentException: Error on line 1 of document  : The processing instruction must begin with the name of the target. Nested exception: The processing instruction must begin with the name of the target.
at org.dom4j.io.SAXReader.read(SAXReader.java:482)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:505)
... 34 more
2009-3-18 13:49:09 org.apache.catalina.core.StandardContext listenerStart
严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is org.hibernate.InvalidMappingException: Could not parse mapping document from input stream
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1338)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
at java.security.AccessController.doPrivileged(Native Method)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:423)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3830)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4337)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: org.hibernate.InvalidMappingException: Could not parse mapping document from input stream
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:514)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:631)
at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1369)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335)
... 30 more
Caused by: org.dom4j.DocumentException: Error on line 1 of document  : The processing instruction must begin with the name of the target. Nested exception: The processing instruction must begin with the name of the target.
at org.dom4j.io.SAXReader.read(SAXReader.java:482)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:505)
... 34 more
2009-3-18 13:49:09 org.apache.catalina.core.ApplicationContext log
信息: Set web app root system property: 'project.root' = [D:\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp2\wtpwebapps\project\]
2009-3-18 13:49:09 org.apache.catalina.core.StandardContext start
严重: Error listenerStart
2009-3-18 13:49:09 org.apache.catalina.core.StandardContext start
严重: Context [/project] startup failed due to previous errors
2009-3-18 13:49:09 org.apache.catalina.core.ApplicationContext log
信息: Shutting down log4j
2009-3-18 13:49:09 org.apache.catalina.core.ApplicationContext log
信息: Closing Spring root WebApplicationContext
2009-3-18 13:49:09 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2009-3-18 13:49:09 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8009
2009-3-18 13:49:09 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/78  config=null
2009-3-18 13:49:09 org.apache.catalina.startup.Catalina start
信息: Server startup in 2875 ms
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