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https://mau.dev/maunium/synapse.git
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daf498e099
Found while working on the Gitter backfill script and noticed it only happened after we sent 7 batches, https://gitlab.com/gitterHQ/webapp/-/merge_requests/2229#note_665906390 When there are more than 5 backward extremities for a given depth, backfill will throw an error because we sliced the extremity list to 5 but then try to iterate over the full list. This causes us to look for state that we never fetched and we get a `KeyError`. Before when calling `/messages` when there are more than 5 backward extremities: ``` Traceback (most recent call last): File "/usr/local/lib/python3.8/site-packages/synapse/http/server.py", line 258, in _async_render_wrapper callback_return = await self._async_render(request) File "/usr/local/lib/python3.8/site-packages/synapse/http/server.py", line 446, in _async_render callback_return = await raw_callback_return File "/usr/local/lib/python3.8/site-packages/synapse/rest/client/room.py", line 580, in on_GET msgs = await self.pagination_handler.get_messages( File "/usr/local/lib/python3.8/site-packages/synapse/handlers/pagination.py", line 396, in get_messages await self.hs.get_federation_handler().maybe_backfill( File "/usr/local/lib/python3.8/site-packages/synapse/handlers/federation.py", line 133, in maybe_backfill return await self._maybe_backfill_inner(room_id, current_depth, limit) File "/usr/local/lib/python3.8/site-packages/synapse/handlers/federation.py", line 386, in _maybe_backfill_inner likely_extremeties_domains = get_domains_from_state(states[e_id]) KeyError: '$zpFflMEBtZdgcMQWTakaVItTLMjLFdKcRWUPHbbSZJl' ``` |
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| .. | ||
| ui_auth | ||
| __init__.py | ||
| account_data.py | ||
| account_validity.py | ||
| admin.py | ||
| appservice.py | ||
| auth.py | ||
| cas.py | ||
| deactivate_account.py | ||
| device.py | ||
| devicemessage.py | ||
| directory.py | ||
| e2e_keys.py | ||
| e2e_room_keys.py | ||
| event_auth.py | ||
| events.py | ||
| federation_event.py | ||
| federation.py | ||
| groups_local.py | ||
| identity.py | ||
| initial_sync.py | ||
| message.py | ||
| oidc.py | ||
| pagination.py | ||
| password_policy.py | ||
| presence.py | ||
| profile.py | ||
| read_marker.py | ||
| receipts.py | ||
| register.py | ||
| room_batch.py | ||
| room_list.py | ||
| room_member_worker.py | ||
| room_member.py | ||
| room_summary.py | ||
| room.py | ||
| saml.py | ||
| search.py | ||
| send_email.py | ||
| set_password.py | ||
| sso.py | ||
| state_deltas.py | ||
| stats.py | ||
| sync.py | ||
| typing.py | ||
| user_directory.py | ||