无效的属性春季

Question

<?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: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.xsd 
     http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd 
     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd"> 


    <bean id="datasource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> 
    <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver"></property> 
    <property name="url" value="jdbc:oracle:thin:@localhost:1521:XE"></property> 
    <property name="username" value="SYSTEM"></property> 
    <property name="password" value="admin"></property> 
    </bean> 
    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean"> 
    <property name="datasource" ref="datasource"></property> 
    <property name="annotatedClasses"> 
    <list> 
    <value>spring.SpringORM.Student</value> 
    </list> 
    </property> 
    <property name="hibernateProperties"> 
    <props> 
    <prop key="hibernate.dialect">org.hibernate.dialect.oracl11gDialect</prop> 
    </props> 
    </property> 
    </bean> 



    <bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate"> 
    <property name="sessionFactory" ref="sessionFactory"></property> 
    </bean> 

    <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager"> 
    <property name="sessionFactory" ref="sessionFactory"></property> 
    </bean> 


    <bean id="studnetDaoImplement" class="spring.SpringORM.StudnetDaoImplement"> 
    <constructor-arg ref="hibernateTemplate" /> 
    </bean> 

     </beans> 

bean类的“数据源”，我得到这个错误

NFO: Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@3b0def13: defining beans [datasource,sessionFactory,hibernateTemplate,transactionManager,studnetDaoImplement]; root of factory hierarchy 
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [Application-context.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'datasource' of bean class [org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean]: Bean property 'datasource' is not writable or has an invalid setter method. Did you mean 'dataSource'? 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1344) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1067) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:511) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:450) 
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:290) 
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) 
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:287) 
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:189) 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:545) 
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:871) 
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:423) 
    at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139) 
    at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83) 
    at spring.SpringORM.StudentTesting.main(StudentTesting.java:12) 
Caused by: org.springframework.beans.NotWritablePropertyException: Invalid property 'datasource' of bean class [org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean]: Bean property 'datasource' is not writable or has an invalid setter method. Did you mean 'dataSource'? 
    at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:1012) 
    at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:857) 
    at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:76) 
    at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:58) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1341) 
    ... 13 more 

Answer 1

org.springframework.beans.NotWritablePropertyException: Invalid property 'datasource' of bean class [org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean]: Bean property 'datasource' is not writable or has an invalid setter method. Did you mean 'dataSource'? at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:1012) at org.springfr 

堆栈跟踪告诉你就够了。我有同样的问题，并通过将“数据源”重命名为“数据源”来解决它。这件事情是区分大小写的，所以要小心。希望有所帮助。