struts配置web.xml提示StrutsPrepareAndExecuteFilter' is not assignable to 'javax.servlet.Filter

配置struts web.xml提示strutspreparencexecutfilter # 039；不可分配给 # 039；Javax.servlet.Filterstruts配置web.xml提示struts preparandexecutfilter # 039；不可分配给 # 039；javax.servlet.Filter简介:struts configuration web . XML prompt org . Apache . struts 2 . dispatcher . ng . filter . strutspreparandexecutfilter # 039；不是阿西