From 582bd19ee9de4850010b58e0bb0e2a93f01b2f44 Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <richard@matrix.org>
Date: Tue, 17 Oct 2017 20:46:55 +0100
Subject: [PATCH] Fix 500 error when we get an error handling a PDU

FederationServer doesn't have a send_failure (and nor does its subclass,
ReplicationLayer), so this was failing.

I'm not really sure what the idea behind send_failure is, given (a) we don't do
anything at the other end with it except log it, and (b) we also send back the
failure via the transaction response. I suspect there's a whole lot of dead
code around it, but for now I'm just removing the broken bit.
---
 synapse/federation/federation_server.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py
index a8034bddc6..e15228e70b 100644
--- a/synapse/federation/federation_server.py
+++ b/synapse/federation/federation_server.py
@@ -192,7 +192,6 @@ class FederationServer(FederationBase):
                     pdu_results[event_id] = {}
                 except FederationError as e:
                     logger.warn("Error handling PDU %s: %s", event_id, e)
-                    self.send_failure(e, transaction.origin)
                     pdu_results[event_id] = {"error": str(e)}
                 except Exception as e:
                     pdu_results[event_id] = {"error": str(e)}
-- 
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