cannot be cast to javax.servlet.filter 初学者请教
启动tomcat时一般如题的错误是什么原因导致的?
Aug 26, 2011 2:58:02 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter SessionValidationFilter
java.lang.ClassCastException: com.xxx.controller.session.SessionValidationFilter cannot be cast to javax.servlet.Filter
......
比较纳闷,前后两个类的jar包都引用正确了,但是为什么映射不到呢?