问题遇到的现象和发生背景
javaweb文件上传
用代码块功能插入代码,请勿粘贴截图
List fileItems = servletFileUpload.parseRequest((RequestContext) req);
运行结果及报错内容
java.lang.ClassCastException: org.apache.catalina.connector.RequestFacade cannot be cast to org.apache.tomcat.util.http.fileupload.RequestContext