diff --git a/openerp/http.py b/openerp/http.py
index 34b9cf19abf..438c8ec1cc0 100644
--- a/openerp/http.py
+++ b/openerp/http.py
@@ -361,7 +361,7 @@ class JsonRequest(WebRequest):
             response['id'] = self.jsonrequest.get('id')
             response["result"] = self._call_function(**self.params)
         except AuthenticationError, e:
-            _logger.exception("Exception during JSON request handling.")
+            _logger.exception("JSON-RPC AuthenticationError in %s.", self.httprequest.path)
             se = serialize_exception(e)
             error = {
                 'code': 100,
@@ -369,7 +369,9 @@ class JsonRequest(WebRequest):
                 'data': se
             }
         except Exception, e:
-            _logger.exception("Exception during JSON request handling.")
+            # Mute test cursor error for runbot
+            if not (openerp.tools.config['test_enable'] and isinstance(e, psycopg2.OperationalError)):
+                _logger.exception("JSON-RPC Exception in %s.", self.httprequest.path)
             se = serialize_exception(e)
             error = {
                 'code': 200,
diff --git a/openerp/tests/common.py b/openerp/tests/common.py
index 99f5919f2fc..a53a8d82240 100644
--- a/openerp/tests/common.py
+++ b/openerp/tests/common.py
@@ -47,8 +47,6 @@ def acquire_test_cursor(session_id):
         cr = HTTP_SESSION.get(session_id)
         if cr:
             cr._test_lock.acquire()
-            if cr._closed:
-                werkzeug.exceptions.abort(500)
             return cr
 
 def release_test_cursor(cr):