1 files changed, 7 insertions, 0 deletions
diff --git a/synapse/handlers/federation_event.py b/synapse/handlers/federation_event.py
index ace7adcffb..9e065e1116 100644
--- a/synapse/handlers/federation_event.py
+++ b/synapse/handlers/federation_event.py
@@ -862,6 +862,9 @@ class FederationEventHandler:
             self._sanity_check_event(event)
         except SynapseError as err:
             logger.warning("Event %s failed sanity check: %s", event_id, err)
+            await self._store.record_event_failed_pull_attempt(
+                event.room_id, event_id, str(err)
+            )
             return
 
         try:
@@ -897,6 +900,10 @@ class FederationEventHandler:
                     backfilled=backfilled,
                 )
         except FederationError as e:
+            await self._store.record_event_failed_pull_attempt(
+                event.room_id, event_id, str(e)
+            )
+
             if e.code == 403:
                 logger.warning("Pulled event %s failed history check.", event_id)
             else: