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Merge pull request #5042 from matrix-org/erikj/fix_get_missing_events_error

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Handle the case of `get_missing_events` failing
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Erik Johnston 2019-06-19 13:20:09 +01:00 committed by GitHub
commit 7dcf984075
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2 changed files with 20 additions and 9 deletions
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1
changelog.d/5042.bugfix Normal file
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@ -0,0 +1 @@
Fix bug processing incoming events over federation if call to `/get_missing_events` fails.

28
synapse/handlers/federation.py
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@ -498,15 +498,25 @@ class FederationHandler(BaseHandler):
#
# All that said: Let's try increasing the timout to 60s and see what happens.
missing_events = yield self.federation_client.get_missing_events(
origin,
room_id,
earliest_events_ids=list(latest),
latest_events=[pdu],
limit=10,
min_depth=min_depth,
timeout=60000,
)
try:
missing_events = yield self.federation_client.get_missing_events(
origin,
room_id,
earliest_events_ids=list(latest),
latest_events=[pdu],
limit=10,
min_depth=min_depth,
timeout=60000,
)
except RequestSendFailed as e:
# We failed to get the missing events, but since we need to handle
# the case of `get_missing_events` not returning the necessary
# events anyway, it is safe to simply log the error and continue.
logger.warn(
"[%s %s]: Failed to get prev_events: %s",
room_id, event_id, e,
)
return
logger.info(
"[%s %s]: Got %d prev_events: %s",