Merge "Fix dashboard's error handling on production servers."

muranodashboard/settings.py

@@ -5,6 +5,7 @@ import sys
 from django.http import HttpResponseServerError
 from openstack_dashboard import exceptions
 from muranoclient.common import exceptions as muranoclient
+from horizon.middleware import HorizonMiddleware
 
 ROOT_PATH = os.path.dirname(os.path.abspath(__file__))
 BIN_DIR = os.path.abspath(os.path.join(ROOT_PATH, '..', 'bin'))
@@ -69,10 +70,11 @@ HORIZON_CONFIG = {
 logger = logging.getLogger(__name__)
 
 
-class ExceptionMiddleware(object):
+class ExceptionMiddleware(HorizonMiddleware):
     def process_exception(self, request, exception):
         logger.error(traceback.format_exc())
-        return HttpResponseServerError()
+        return super(ExceptionMiddleware, self).process_exception(
+            request, exception)
 
 
 MIDDLEWARE_CLASSES = (