com.qiniu.common.QiniuException

Question

import java.io.File;

import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.UploadManager;
import com.qiniu.util.Auth;

public class Main {    

    public static void main(String[] args) {
        Auth auth = Auth.create(Constants.ACCESS_KEY, Constants.SECRET_KEY);    
        String uploadToken = auth.uploadToken("bucket");
        System.out.println(uploadToken);
        UploadManager uploadManager = new UploadManager();
        File file = new File("E:\\test.jpg");

        String key = file.getName().substring(0, file.getName().lastIndexOf("."));
        System.out.println(key);
        try {
            Response put = uploadManager.put(file, key, uploadToken);
            System.out.println(put.toString());
            System.out.println(put.bodyString());
        } catch (QiniuException e) {
            e.printStackTrace();
        }
    }

}

上传测试失败，抛出如下异常
com.qiniu.common.QiniuException

at com.qiniu.http.Client.send(Client.java:201)
at com.qiniu.http.Client.multipartPost(Client.java:174)
at com.qiniu.http.Client.multipartPost(Client.java:153)
at com.qiniu.storage.FormUploader.upload(FormUploader.java:54)
at com.qiniu.storage.UploadManager.put(UploadManager.java:184)
at com.qiniu.storage.UploadManager.put(UploadManager.java:163)
at com.tuntian.uploadImage.Main.main(Main.java:23)