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-rw-r--r--synapse/handlers/federation.py20
1 files changed, 10 insertions, 10 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index d05b63673f..45d955e6f5 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -18,7 +18,6 @@
 
 import itertools
 import logging
-import sys
 
 import six
 from six import iteritems, itervalues
@@ -1602,6 +1601,9 @@ class FederationHandler(BaseHandler):
             auth_events=auth_events,
         )
 
+        # reraise does not allow inlineCallbacks to preserve the stacktrace, so we
+        # hack around with a try/finally instead.
+        success = False
         try:
             if not event.internal_metadata.is_outlier() and not backfilled:
                 yield self.action_generator.handle_push_actions_for_event(
@@ -1612,15 +1614,13 @@ class FederationHandler(BaseHandler):
                 [(event, context)],
                 backfilled=backfilled,
             )
-        except:  # noqa: E722, as we reraise the exception this is fine.
-            tp, value, tb = sys.exc_info()
-
-            logcontext.run_in_background(
-                self.store.remove_push_actions_from_staging,
-                event.event_id,
-            )
-
-            six.reraise(tp, value, tb)
+            success = True
+        finally:
+            if not success:
+                logcontext.run_in_background(
+                    self.store.remove_push_actions_from_staging,
+                    event.event_id,
+                )
 
         defer.returnValue(context)