org.apache.catalina.util.DefaultAnnotationProcessor cannot be ...

http://blog.csdn.net/xiaxiaorui2003/archive/2010/07/14/5735328.aspx

java.lang.ClassCastException: org.apache.catalina.util.DefaultAnnotationProcessor cannot be cast to org.apache.AnnotationProcessor

?

修改了tomcat里的context.xml文件，在context?元素下添加? ??

??

<Loader?delegate="true"?/>?