Index: branches/5.2.x/core/install/prerequisites.php
===================================================================
diff -u -N -r14860 -r14863
--- branches/5.2.x/core/install/prerequisites.php	(.../prerequisites.php)	(revision 14860)
+++ branches/5.2.x/core/install/prerequisites.php	(.../prerequisites.php)	(revision 14863)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: prerequisites.php 14860 2011-12-12 11:36:50Z alex $
+* @version	$Id: prerequisites.php 14863 2011-12-13 10:01:17Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -122,6 +122,9 @@
 			$ret['mysql'] = function_exists('mysql_connect');
 			$ret['json'] = function_exists('json_encode');
 
+			$output = shell_exec('java -version 2>&1');
+			$ret['java'] = stripos($output, 'java version') !== false;
+
 			$ret['memory_limit'] = $this->isPhpSettingChangeable('memory_limit', '33M');
 			$ret['date.timezone'] = ini_get('date.timezone') != '';