From dae224a73f6a799718f7dfc5c6d8ac3e050fca1d Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
Date: Tue, 4 Jun 2019 18:05:06 +0100
Subject: [PATCH] Fix failure to fetch batches of PDUs (#5342)

FederationClient.get_pdu is called in a loop to fetch a batch of PDUs. A
failure to fetch one should not result in a failure of the whole batch. Add the
missing `continue`.
---
 changelog.d/5342.bugfix                 | 1 +
 synapse/federation/federation_client.py | 1 +
 2 files changed, 2 insertions(+)
 create mode 100644 changelog.d/5342.bugfix

diff --git a/changelog.d/5342.bugfix b/changelog.d/5342.bugfix
new file mode 100644
index 0000000000..66a3076292
--- /dev/null
+++ b/changelog.d/5342.bugfix
@@ -0,0 +1 @@
+Fix failure when fetching batches of events during backfill, etc.
diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py
index 916ff487c9..d559605382 100644
--- a/synapse/federation/federation_client.py
+++ b/synapse/federation/federation_client.py
@@ -279,6 +279,7 @@ class FederationClient(FederationBase):
                     "Failed to get PDU %s from %s because %s",
                     event_id, destination, e,
                 )
+                continue
             except NotRetryingDestination as e:
                 logger.info(str(e))
                 continue
-- 
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