From 11dc2b46983ea0cf2a59f3deb66ebd22db223a80 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Wed, 3 Jun 2020 14:12:13 +0100
Subject: [PATCH] Fix exceptions when fetching events from a down host. (#7622)
We already caught some exceptions, but not all.
---
changelog.d/7622.bugfix | 1 +
synapse/handlers/federation.py | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
create mode 100644 changelog.d/7622.bugfix
diff --git a/changelog.d/7622.bugfix b/changelog.d/7622.bugfix
new file mode 100644
index 0000000000..bcb82f7b0b
--- /dev/null
+++ b/changelog.d/7622.bugfix
@@ -0,0 +1 @@
+Fix exceptions when fetching events from a remote host fails.
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 75ec90d267..3e60774b33 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -501,7 +501,7 @@ class FederationHandler(BaseHandler):
min_depth=min_depth,
timeout=60000,
)
- except RequestSendFailed as e:
+ except (RequestSendFailed, HttpResponseException, NotRetryingDestination) 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.
--
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