Test for existence of 'unzip' or 'jar' as a workaround.
diff --git a/scripts/iplog.php b/scripts/iplog.php
index badfa0b..7e0eeec 100644
--- a/scripts/iplog.php
+++ b/scripts/iplog.php
@@ -4,6 +4,8 @@
 error_reporting (E_ALL);
 
 echo 'Preparing Final Page';
+echo exec("which jar");
+echo exec("which unzip");
 $serverName = $_SERVER["SERVER_NAME"];
 if ("download.eclipse.org" === $serverName) {
   include "dlconfigOnDownloads.php";