我尝试使用Spring4声明性地配置Spring安全性。
Failed to instantiate [org.springframework.security.config.SecurityNamespaceHandler]: Constructor threw exception. Check Error Log for more details.
我尝试部署应用程序,但控制台显示此错误,我不熟悉Spring MVC和Spring调度器。这是我的第一个项目。org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [Beans.xml]: Initialization of bean failed; nested exception is jav