I upgrade a project from GWT 2.5.1+Java 8 to GWT 2.9 +Java 11
I got (TYpeError): Cannot read property 'Xe' of null when I
IUploader currentUploader = new Uploader(fileInputType,
autoSubmit);//autosubmit = true
IUploadStatus statusWidget = new IUploadStatus();
try{
currentUploader.setStatusWidget(statusWidget);
}catch(Exception e){
//print error here
// (TYpeError): Cannot read property 'Xe' of null got printed here
}
This code does not have any problems when I use GWT 2.5+Java 8
//Symptom
The upload file GWT File control is shown. I can clicked the control and
select a file to upload
The control shows the selected file name but it does not call http servlet
that is on server side.
Web.xml
<servlet>
<servlet-name>uploadServlet</servlet-name>
<servlet-class>
edu.vanderbilt.mc.aries.server.rpc.control.AttachmentUploaderService
</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>uploadServlet</servlet-name>
<url-pattern>*.gupld</url-pattern>
</servlet-mapping>
I ggogled the erro rmessage. It seems that this is a JQuery error
Any suggestions or comments are really appreciated
Yibin Li
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