java.lang.ClassNotFoundException: org.apache.commons.dbcp.BasicDataSource

java.lang.ClassNotFoundException: org.apache.commons.dbcp.BasicDataSource

详细的错误提示如下：

Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘userDaoImpl’ defined in file [E:\Workspaces\MyEclipse Professional 2014\Spring_Register_Hibernate_Struts_0000_Final\WebRoot\WEB-INF\classes\com\register\dao\impl\UserDaoImpl.class]: BeanPostProcessor before instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘org.springframework.aop.support.DefaultBeanFactoryPointcutAdvisor#0’: Initialization of bean failed; nested exception is java.lang.NoClassDefFoundError: org/aspectj/weaver/reflect/ReflectionWorld$ReflectionWorldException
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [org.apache.commons.dbcp.BasicDataSource] for bean with name ‘dataSource’ defined in class path resource [beans.xml]; nested exception is java.lang.ClassNotFoundException: org.apache.commons.dbcp.BasicDataSource

解决方法：导入commons-dbcp.jar和commons-pool.jar包

注意：在解决这个问题时，我在官网上http://commons.apache.org/proper/commons-dbcp/download_dbcp.cgi下载最新的版本commons-dbcp2-2.1.1.jar和其依赖的commons-pool2-2.4.2.jar，放入工程的lib目录是解决不了这个问题的，不知道为什么。