使用velocity时报java.lang.NoClassDefFoundError，解压看是没有这个类，但是根据教程配置的

Question

Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: org/apache/velocity/runtime/log/CommonsLogLogChute
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1553)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304