严重:上下文初始化失败org.springframework.beans.factory.BeanCreationException:创建名为'homeController'的bean时出错:注入自动连接的依赖项失败;嵌套异常是org.springframework.beans.factory.BeanCreationException:无法自动装配字段:private com.emusicstore.dao.ProductDAO com.emusicstore.app.HomeController.productDAO;嵌套异常是org.springframework.beans.factory.BeanCreationException:创建名为'productDAOImpl'的bean时出错:注入自动连接的依赖项失败;嵌套异常是org.springframework.beans.factory.BeanCreationException:无法自动装配字段:private org.hibernate.SessionFactory com.emusicstore.dao.impl.ProductDAOImpl.sessionFactory;嵌套异常是org.springframework.beans.factory.BeanCreationException:在ServletContext资源[/WEB-INF/applicationContext.xml]中定义名称为'sessionFactory'的bean时出错:在设置bean属性'dataSource时无法解析对bean'dataSource'的引用“;嵌套异常是org.springframework.beans.factory.BeanCreationException:创建在ServletContext资源[/WEB-INF/applicationContext.xml]中定义名称为'dataSource'的bean时出错:设置属性值时出错;嵌套异常是org.springframework.beans.PropertyBatchUpdateException;嵌套的PropertyAccessExceptions(1)是:PropertyAccessException 1:org.springframework.beans.MethodInvocationException:属性'driverClassName'抛出异常;嵌套异常是java.lang.IllegalStateException:无法加载JDBC驱动程序类[com.mysql.jdbc.Drive]