private void jLabel5MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jLabel5MouseClicked
        ArrayList<User> onlineUsers = null;
        
        System.out.println("REFRESH CLICKED");
        
        try {
            onlineUsers = UserClient.getOnlineUsers();
        } catch (UnknownHostException ex) {
            Logger.getLogger(MainContent.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(MainContent.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(MainContent.class.getName()).log(Level.SEVERE, null, ex);
        }

        this.addUsersToPanel(onlineUsers);
    }//GEN-LAST:event_jLabel5MouseClicked