kindeditor上传图片问题！急在线等！
下了一个kindeditor配置好可以用了，远程图片没问题，上传本地图片报：上传目录不存在。
看到网上说的很多，可都不打适用我的项目，麻烦大家给看一下。struts2+kindeditor
upload_json.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import="java.util.*,java.io.*" %>
<%@ page import="java.text.SimpleDateFormat" %>
<%@ page import="org.apache.commons.fileupload.*" %>
<%@ page import="org.apache.commons.fileupload.disk.*" %>
<%@ page import="org.apache.commons.fileupload.servlet.*" %>
<%@ page import="org.json.simple.*" %>
<%

//文件保存目录路径
String savePath = pageContext.getServletContext().getRealPath("/") + "attached/";
//文件保存目录URL
String saveUrl = request.getContextPath() + "/attached/";
//定义允许上传的文件扩展名
String[] fileTypes = new String[]{"gif", "jpg", "jpeg", "png", "bmp"};
//最大文件大小
long maxSize = 1000000;

response.setContentType("text/html; charset=UTF-8");

if(!ServletFileUpload.isMultipartContent(request)){
out.println(getError("请选择文件。"));
return;
}
//检查目录
File uploadDir = new File(savePath);
if(!uploadDir.isDirectory()){
out.println(getError("上传目录不存在。"));
return;
}
//检查目录写权限
if(!uploadDir.canWrite()){
out.println(getError("上传目录没有写权限。"));
return;
}
//创建文件夹
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
String ymd = sdf.format(new Date());
savePath += ymd + "/";
saveUrl += ymd + "/";
File dirFile = new File(savePath);
if (!dirFile.exists()) {
dirFile.mkdirs();
}

FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setHeaderEncoding("UTF-8");
List items = upload.parseRequest(request);
Iterator itr = items.iterator();
while (itr.hasNext()) {
FileItem item = (FileItem) itr.next();
String fileName = item.getName();
long fileSize = item.getSize();
if (!item.isFormField()) {
//检查文件大小
if(item.getSize() > maxSize){
out.println(getError("上传文件大小超过限制。"));
return;
}
//检查扩展名
String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
if(!Arrays.<String>asList(fileTypes).contains(fileExt)){
out.println(getError("上传文件扩展名是不允许的扩展名。"));
return;
}

SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
String newFileName = df.format(new Date()) + "_" + new Random().nextInt(1000) + "." + fileExt;
try{
File uploadedFile = new File(savePath, newFileName);
item.write(uploadedFile);
}catch(Exception e){
out.println(getError("上传文件失败。"));
return;
}

JSONObject obj = new JSONObject();
obj.put("error", 0);
obj.put("url", saveUrl + newFileName);
out.println(obj.toJSONString());
}
}
%>
<%!
private String getError(String message) {
JSONObject obj = new JSONObject();
obj.put("error", 1);
obj.put("message", message);
return obj.toJSONString();
}
%>
有人说是拦截器的问题，web.xml：
<filter-mapping>
<filter-name>struts2</filter-name> 
<url-pattern>*.action</url-pattern>  
</filter-mapping>
<filter-mapping> 
  <filter-name>struts2</filter-name> 
  <url-pattern>*.jsp</url-pattern