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-rw-r--r-- | changelog.d/12330.misc | 1 | ||||
-rw-r--r-- | synapse/handlers/federation_event.py | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/changelog.d/12330.misc b/changelog.d/12330.misc new file mode 100644 index 0000000000..9f333e718a --- /dev/null +++ b/changelog.d/12330.misc @@ -0,0 +1 @@ +Avoid trying to calculate the state at outlier events. diff --git a/synapse/handlers/federation_event.py b/synapse/handlers/federation_event.py index 4bd87709f3..567afc910f 100644 --- a/synapse/handlers/federation_event.py +++ b/synapse/handlers/federation_event.py @@ -469,6 +469,12 @@ class FederationEventHandler: if context.rejected: raise SynapseError(400, "Join event was rejected") + # the remote server is responsible for sending our join event to the rest + # of the federation. Indeed, attempting to do so will result in problems + # when we try to look up the state before the join (to get the server list) + # and discover that we do not have it. + event.internal_metadata.proactively_send = False + return await self.persist_events_and_notify(room_id, [(event, context)]) async def backfill( |