diff --git a/nova/notifications.py b/nova/notifications.py
index bed06acf6..16a49dcf6 100644
--- a/nova/notifications.py
+++ b/nova/notifications.py
@@ -26,6 +26,7 @@ from nova import db
 from nova.image import glance
 from nova import network
 from nova.network import model as network_model
+from nova.openstack.common import excutils
 from nova.openstack.common import log
 from nova.openstack.common.notifier import api as notifier_api
 from nova.openstack.common import timeutils
@@ -225,10 +226,14 @@ def bandwidth_usage(instance_ref, audit_start,
             nw_info = network.API().get_instance_nw_info(admin_context,
                     instance_ref)
         except Exception:
-            LOG.exception(_('Failed to get nw_info'), instance=instance_ref)
-            if ignore_missing_network_data:
-                return
-            raise
+            try:
+                with excutils.save_and_reraise_exception():
+                    LOG.exception(_('Failed to get nw_info'),
+                                  instance=instance_ref)
+            except Exception:
+                if ignore_missing_network_data:
+                    return
+                raise
 
     macs = [vif['address'] for vif in nw_info]
     uuids = [instance_ref["uuid"]]
diff --git a/nova/scheduler/scheduler_options.py b/nova/scheduler/scheduler_options.py
index 75b68e557..f7aa91155 100644
--- a/nova/scheduler/scheduler_options.py
+++ b/nova/scheduler/scheduler_options.py
@@ -28,6 +28,7 @@ import os
 
 from oslo.config import cfg
 
+from nova.openstack.common import excutils
 from nova.openstack.common import log as logging
 from nova.openstack.common import timeutils
 
@@ -66,9 +67,9 @@ class SchedulerOptions(object):
         try:
             return os.path.getmtime(filename)
         except os.error, e:
-            LOG.exception(_("Could not stat scheduler options file "
-                            "%(filename)s: '%(e)s'"), locals())
-            raise
+            with excutils.save_and_reraise_exception():
+                LOG.exception(_("Could not stat scheduler options file "
+                                "%(filename)s: '%(e)s'"), locals())
 
     def _load_file(self, handle):
         """Decode the JSON file. Broken out for testing."""
diff --git a/nova/wsgi.py b/nova/wsgi.py
index b9e204b90..72e464919 100644
--- a/nova/wsgi.py
+++ b/nova/wsgi.py
@@ -34,6 +34,7 @@ import webob.dec
 import webob.exc
 
 from nova import exception
+from nova.openstack.common import excutils
 from nova.openstack.common import log as logging
 
 wsgi_opts = [
@@ -175,9 +176,9 @@ class Server(object):
                                     CONF.tcp_keepidle)
 
             except Exception:
-                LOG.error(_("Failed to start %(name)s on %(host)s"
-                            ":%(port)s with SSL support") % self.__dict__)
-                raise
+                with excutils.save_and_reraise_exception():
+                    LOG.error(_("Failed to start %(name)s on %(host)s"
+                                ":%(port)s with SSL support") % self.__dict__)
 
         wsgi_kwargs = {
             'func': eventlet.wsgi.server,