高手求教！spring+hibernate出错

Question

User.hbm.xml
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"><hibernate-mapping package="com.bjsxt.model">
<class name = "User" table = "user">
<id name="id" column="id" type="java.lang.Integer">
<generator class="identity" ></generator>
</id>
<property name="name" type="java.lang.String"></property>
</class>
</hibernate-mapping>beans.xml
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<value>classpath:jdbc.properties</value>
</property>
</bean>

<bean id="dataSource" destroy-method="close" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="${jdbc.driverClassName}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
    <property name="dataSource" ref="dataSource"/>
    <property name="mappingResources">
      <list>
        <value>User.hbm.xml</value>
      </list>
    </property>
    <property name="hibernateProperties">
     <props>
     <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
     <prop key="hibernate.show_sql">true</prop>
     </props>
    </property>
   </bean>
jdbc.properties没错啊，不知道老是出错！提示错误是：org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [beans.xml]: Invocation of init method failed; nested exception is org.hibernate.MappingException: entity class not found: com.bjsxt.model.User
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1420)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:563)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:913)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at com.bjxst.service.UserServiceTest.testAdd(UserServiceTest.java:11)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:274)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:48)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:242)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:58)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:240)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:48)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:233)
at org.junit.runners.ParentRunner.run(ParentRunner.java:303)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: org.hibernate.MappingException: entity class not found: com.bjsxt.model.User
at org.hibernate.mapping.PersistentClass.getMappedClass(PersistentClass.java:125)
at org.hibernate.tuple.PropertyFactory.getGetter(PropertyFactory.java:191)
at org.hibernate.tuple.PropertyFactory.buildIdentifierProperty(PropertyFactory.java:67)
at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:135)
at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:485)
at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:133)
at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:84)
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:286)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1872)
at org.springframework.orm.hibernate3.SessionFactoryBuilderSupport.newSessionFactory(SessionFactoryBuilderSupport.java:607)
at org.springframework.orm.hibernate3.SessionFactoryBuilderSupport.doBuildSessionFactory(SessionFactoryBuilderSupport.java:467)
at org.springframework.orm.hibernate3.SessionFactoryBeanDelegate.afterPropertiesSet(SessionFactoryBeanDelegate.java:110)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:96)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1479)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1417)
... 35 more
Caused by: java.lang.ClassNotFoundException: com.bjsxt.model.User
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:192)
at org.hibernate.mapping.PersistentClass.getMappedClass(PersistentClass.java:122)
... 49 more

Answer 1

Caused by: org.hibernate.MappingException: entity class not found: com.bjsxt.model.User
意思是没找到你的User类，你是不是User类的位置搞错了？

Answer 2

这里没写完整路径，所以报找不到类映射文件，把<value>User.hbm.xml</value>
改成 <value>com/bjsxt/model/User/hbm.xml</value>

Answer 3

<value>com/bjsxt/model/User.hbm.xml</value>   才对

Answer 4

自己不懂的，请把异常，以及引发原因直接拖到翻译工具翻译一遍，如果还是看不懂，就复制到百度和google去搜一下！

Answer 5

entity class not found: com.bjsxt.model.User
没找到 User的实体类  估计是映射文件写错了
<property name="mappingResources">
              <list>
                <value>User.hbm.xml</value>
              </list>
            </property>
value 要带路径： User.hbm.xml所放的包名

Answer 6

BJSXT,哈哈，路径配置有误 。