Error 500 with java version

Aurigma ImageUploader version: 6.1.4.0
Current document URL: http://passeymedia.com/t2/?page_id=2
Reading cookies
Cookies: wordpress_test_cookie=WP+Cookie+check; wp-settings-time-1=1260536785; wp-settings-1=m0%3Dc%26m1%3Dc%26m2%3Dc%26m3%3Dc%26m4%3Dc%26m5%3Do%26m6%3Dc%26m7%3Dc%26m8%3Dc
Reading referer
Referer: http://passeymedia.com/t2/?page_id=2
Uploading to http://passeymedia.com/t...emes/acetheme/upload.php
Cookies:[wordpress_test_cookie=WP Cookie check;wordpress_logged_in_886d12060eb44adaa839251b638f9106=admin|1261746384|089f88f712a267803631050d8a89f1b9;wp-settings-time-1=1260536785;wp-settings-1=m0=c&m1=c&m2=c&m3=c&m4=c&m5=o&m6=c&m7=c&m8=c;]
Setting HTTP params: Host=passeymedia.com
Starting upload

---

Status = [500]
Server response:

---

UploadException occured
###Error occurred###
Status=[ERROR]
Progress=[0]
ValueMax=[0]
Value=[4]
[ErrorPage]

[EndOfErrorPage]

<?php
require_once 'ImageUploaderPHP/UploadedFiles.php';

//This variable specifies relative path to the folder, where the gallery with uploaded files is located.
//Do not forget about the slash in the end of the folder name.
$galleryPath = 'Gallery/';

$absGalleryPath = realpath($galleryPath) . '/';
$absThumbnailsPath = realpath($galleryPath . 'Thumbnails/') . '/';