关于 Async 上传多张相片的问题,服务器那边报错

[三千歌]

public void publishing() {
RequestParams params = new RequestParams();
params.put("content ", "你好");
List<File> file = new ArrayList<File>();
// mList装的是调用相机相册返回的图片 地址
for (int i = 0; i < mList.size(); i++) {
if (i == 0) {
} else {
File file2 = new File(mList.get(i).get("img").toString());
file.add(file2);
}
}
params.put("imgS", file);
new AsyncHttpClient().post(Constant.Url.HTTP
+ "/memberLiveInfo/addMemberLive", params,
new AsyncHttpResponseHandler() {
@Override
public void onSuccess(int arg0, Header[] arg1, byte[] arg2) {
// TODO Auto-generated method stub

Log.e(RightNowApplication.LOG_TAG, "成功");
}

@Override
public void onFailure(int arg0, Header[] arg1, byte[] arg2,
Throwable arg3) {
// TODO Auto-generated method stub
Log.e(RightNowApplication.LOG_TAG,
"~~~~~~~~~~~~~~~~···" + arg0 + "~~~~~~~~~~~~~`"
+ arg2 + "~~~~~~~~~~~~~~~`");
}
});
}