How to display images on local disk(outside of WebContent of WAR) in jsp?

In a web application, I want to display images on local disk(outside of WebContent of WAR) in jsp. I couldn't put it in "WebContent/images/" because the images are portraits of users and they could be changed dynamically. If I put images in "WebContent/images/", I have to transfer the images back and forth every time when I update my WAR file.
Obviously, in jsp, something like
"<img src="/home/username/images/local/PRTR.jpg" />"
doesn't work.
Is it durable to store the images at somewhere else like "/home/username/images/local/" in the server's local disk?

Hi aiGrace,
You have to transform your file path into the appropriate URL, this way :
try {
    File file = new File("D:/Test/MyPic.jpg");
    System.out.println(file.toURI().toURL());
} catch (MalformedURLException ex) {
    ex.printStackTrace();
}Then, you insert the URL in your img tag.

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