From 5c3a60eb50aae0765cf254bd025513346d4d6146 Mon Sep 17 00:00:00 2001
From: Raphael Collet <rco@openerp.com>
Date: Fri, 19 Aug 2016 16:34:25 +0200
Subject: [PATCH] [FIX] utm: in `_dispatch`, propagate errors

This avoids a miserable crash when switching between databases.
---
 addons/utm/models/ir_http.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/addons/utm/models/ir_http.py b/addons/utm/models/ir_http.py
index ed12d6061d0..e85210cef2d 100644
--- a/addons/utm/models/ir_http.py
+++ b/addons/utm/models/ir_http.py
@@ -11,6 +11,8 @@ class IrHttp(models.AbstractModel):
 
     def _dispatch(self):
         response = super(IrHttp, self)._dispatch()
+        if isinstance(response, Exception):
+            return response
         for var, dummy, cook in request.env['utm.mixin'].tracking_fields():
             if var in request.params and request.httprequest.cookies.get(var) != request.params[var]:
                 response.set_cookie(cook, request.params[var], domain=self.get_utm_domain_cookies())