--- apachesolr_attachments.install.orig 2011-05-26 07:23:19.000000000 +0200
+++ apachesolr_attachments.install      2012-07-23 15:07:57.501620995 +0200
@@ -38,6 +38,7 @@
       $java = variable_get('apachesolr_attachments_java', 'java');
       exec($java .' -version > '. $temp .' 2>&1');
       $stderror = file_get_contents($temp);
+      unlink($temp);
       $found = preg_match('/Runtime Environment/', $stderror);
   
       if (!$found) {