Question

I am using gwt-upload to upload an image to my server. In the response back to the client, I am getting the file url in this format.

http://myServer.com/myApplication/servlet.gupld?show=GWTU-036386735388077796

Now, I try to make a copy of this image on my client to enable cropping by the user. However, when I create an img tag with this same url, the image is being retrieved from the server and not from the cache. Can somebody please provide a solution for this problem?

Answer 1

Looks like you are using custom servlet to return images. Do you set correct HTTP headers to the response, so the browser knows that images can be cached?

Here is a tutorial how to implement it using servlets