BLOB images are displayed only on refreshing a page after an update via p:dataTable is made in PrimeFaces

Question

I\'m displaying images stored in the form of BLOB in MySQL on a as follows.

Answer 1

hy,

i have the same problem, but my image src is in hardisk not in DB. i have result the problem when i have use a random number but i dont read it. in general i have add a param in src image when this param is a random number.

My solutionis like this:

public class UserPage {
  private String fotoCVPath;
  //all variabile
    private String getRandomImageName() {
        int i = (int) (Math.random() * 10000000);

        return String.valueOf(i);
    }
 public void editImage() {
//init the fotoCVPath
fotoCVPath = fotoCVPath + "?tmpVal=" + getRandomImageName();
}
  /**
     * @return the fotoCVPath 

     * 
     * @author  - asghaier 

     * 
     *         Created on 29/mag/2014
     */
    public String getFotoCVPath() {

        return fotoCVPath;
    }

    /**
     * @param fotoCVPath the fotoCVPath to set 

     * 
     * @author- asghaier 

     * 
     *         Created on 29/mag/2014
     */
    public void setFotoCVPath(String fotoCVPath) {
        this.fotoCVPath = fotoCVPath;
    }
}

and in you my page i have the element graphicImage like this:

and when i like reload the image a update the component panelGrid.

for my example i have use

in

i hope this mode help you for result your problem