--- a/web/data/cubicweb.ajax.js	Thu Jun 17 15:04:35 2010 +0200
+++ b/web/data/cubicweb.ajax.js	Thu Jun 17 15:08:25 2010 +0200
@@ -200,6 +200,7 @@
     if (req.status == 500) {
         updateMessage(err);
     } else {
+        log(err);
         updateMessage(_("an error occured while processing your request"));
     }
 }