Gwt 一次上载多个文件时，只显示一个进度条

当我一次选择多个文件（Image1和Image2）时，我只看到一个进度条，如下所示：

我的上传小部件如下所示

 uploader = new Uploader();
 uploader.addOnFinishUploadHandler(uploadHandler);
 uploader.avoidRepeatFiles(true);
 uploader.setAutoSubmit(true);
 uploaderPanel.add(uploader);
 progressBar = new ModalUploadStatus();
 uploader.setStatusWidget(progressBar);

在服务器端，我没有使用任何自定义servlet。有什么建议吗

我将GWTUPLOAD1.0.1与GWT2.4.0一起使用

编辑

似乎上传者正在将这两个文件作为一个包上传。这是我在上传过程中得到的日志：

INFO: server response transferred  14/1407 [Image1.jpg, Image2.jpg]
INFO: server response transferred  14/1407 [Image1.jpg, Image2.jpg]
INFO: Mon Jun 01 10:39:55 EDT 2015 Gwt client Uploader
INFO: server response transferred  26/1407 [Image1.jpg, Image2.jpg]
INFO: server response transferred  26/1407 [Image1.jpg, Image2.jpg]
INFO: Mon Jun 01 10:39:55 EDT 2015 Gwt client Uploader
INFO: server response transferred  33/1407 [Image1.jpg, Image2.jpg]
INFO: server response transferred  33/1407 [Image1.jpg, Image2.jpg]
INFO: Mon Jun 01 10:39:56 EDT 2015 Gwt client Uploader
INFO: server response transferred  44/1407 [Image1.jpg, Image2.jpg]
INFO: server response transferred  44/1407 [Image1.jpg, Image2.jpg]
INFO: Mon Jun 01 10:39:56 EDT 2015 Gwt client Uploader
INFO: server response transferred  52/1407 [Image1.jpg, Image2.jpg]
INFO: server response transferred  52/1407 [Image1.jpg, Image2.jpg]
INFO: Mon Jun 01 10:39:57 EDT 2015 Gwt client Uploader
INFO: server response transferred  63/1407 [Image1.jpg, Image2.jpg]
INFO: server response transferred  63/1407 [Image1.jpg, Image2.jpg]
INFO: Mon Jun 01 10:39:57 EDT 2015 Gwt client Uploader
INFO: server response transferred  70/1407 [Image1.jpg, Image2.jpg]
INFO: server response transferred  70/1407 [Image1.jpg, Image2.jpg]
INFO: Mon Jun 01 10:39:58 EDT 2015 Gwt client Uploader
INFO: server response transferred  81/1407 [Image1.jpg, Image2.jpg]
INFO: server response transferred  81/1407 [Image1.jpg, Image2.jpg]
INFO: Mon Jun 01 10:39:58 EDT 2015 Gwt client Uploader
INFO: server response transferred  89/1407 [Image1.jpg, Image2.jpg]
INFO: server response transferred  89/1407 [Image1.jpg, Image2.jpg]
...

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我想您应该使用gwtupload.client.MultiUploader.java类，即使使用MultiUploader，也应该使用相同的行为