spring jpa配置问题

错误信息提示为:
严重: StandardWrapper.Throwable
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in file [E:\apache-tomcat-6.0.14\webapps\tiramisu\WEB-INF\classes\applicationContext.xml]: Initialization of bean failed; nested exception is org.springframework.beans.TypeMismatchException: Failed to convert property value of type [java.lang.String] to required type [javax.sql.DataSource] for property 'dataSource'; nested exception is java.lang.IllegalArgumentException: Cannot convert value of type [java.lang.String] to required type [javax.sql.DataSource] for property 'dataSource': no matching editors or conversion strategy found
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:480)
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$1.getObject(AbstractBeanFactory.java:264)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:423)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
at org.springframework.web.context.ContextLoaderServlet.init(ContextLoaderServlet.java:81)
at javax.servlet.GenericServlet.init(GenericServlet.java:212)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:981)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4045)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4351)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1105)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1203)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:293)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1337)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
at java.lang.Thread.run(Thread.java:619)
Caused by: org.springframework.beans.TypeMismatchException: Failed to convert property value of type [java.lang.String] to required type [javax.sql.DataSource] for property 'dataSource'; nested exception is java.lang.IllegalArgumentException: Cannot convert value of type [java.lang.String] to required type [javax.sql.DataSource] for property 'dataSource': no matching editors or conversion strategy found
说是这个原因:
Failed to convert property value of type [java.lang.String] to required type [javax.sql.DataSource] for property 'dataSource'
可是我的配置dataSource 没有存在错呢:

[code="java"]
<?xml version="1.0" encoding="UTF-8"?>
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd" default-autowire="byName">

       <context:annotation-config />
       <context:component-scan base-package="com.ck" />

       <bean id="dataSource"
        class="org.apache.commons.dbcp.BasicDataSource"
        destroy-method="close">
        <property name="driverClassName"
            value="com.mysql.jdbc.Driver" />
        <property name="url"
            value="jdbc:mysql://127.0.0.1/test?useUnicode=true&amp;characterEncoding=utf8" />
        <property name="username" value="root" />
        <property name="password" value="123456" />
        <property name="defaultAutoCommit" value="false" />
       </bean>

       <!--  使用数据源和指定persistence.xml位置的方式创建entityManagerFactory-->
       <!--如果用这个LocalEntityManagerFactoryBean,这persisitence.xml配置数据源就没问题
       <bean id="entityManagerFactory"
        class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">
        <property name="persistenceUnitName" value="db_tv" />
       </bean>
       -->
         <!--用下面这个时persistence.xml改为没有数据源时就出问题-->
       <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
         <property name="persistenceXmlLocation"
            value="classpath:META-INF/persistence.xml" />
         <property name="persistenceUnitName" value="db_tv" />
         <property name="dataSource" value="dataSource" />
       </bean>

        <bean id="transactionManager"
            class="org.springframework.orm.jpa.JpaTransactionManager">
            <property name="entityManagerFactory">
                <ref bean="entityManagerFactory" />
            </property>
        </bean>

        <bean id="userServiceBean" class="com.ck.tv.test.UserServiceBean" >
        </bean>
        <!-- Activates @Transactional for DefaultImageDatabase -->
      <tx:annotation-driven transaction-manager="transactionManager"/>

        <!-- This makes Spring perform the magic @PersistenceContext/@PersitenceUnit injection -->
      <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"/>

[/code]

[code="java"]
persistence.xml为:

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


org.hibernate.ejb.HibernatePersistence

    <property name="hibernate.dialect"
        value="org.hibernate.dialect.MySQLInnoDBDialect" />
    <property name="hibernate.show_sql" value="true" />
    <property name="hibernate.use_sql_comments" value="true" />
    <property name="hibernate.cache.use_query_cache" value="false" />
    <property name="hibernate.cache.provider_class"
        value="org.hibernate.cache.EhCacheProvider" />

     <!--
     <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5Dialect"/>
     <property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver"/>
     <property name="hibernate.connection.username" value="root"/>
     <property name="hibernate.connection.password" value="123456"/>
     <property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/test?useUnicode=true&amp;characterEncoding=UTF-8"/>
     <property name="hibernate.max_fetch_depth" value="3"/>
     <property name="hibernate.hbm2ddl.auto" value="update"/>
     <property name="hibernate.jdbc.fetch_size" value="18"/>
     <property name="hibernate.jdbc.batch_size" value="10"/>
     <property name="hibernate.show_sql" value="true"/>
     <property name="hibernate.format_sql" value="true"/> 
     -->
 </properties>



[/code]
希望各位高手能给初学者点鼓励和解决方案:
为什么配置这个就不行啊

value="classpath:META-INF/persistence.xml" />



我已经郁闷了几天了,看了下源代码还是没找到解决办法。飙泪呼唤各位高手。

1个回答



修改为




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