Avoid AlreadyCalledError from EDU sending failures

2014-08-28 16:19:16 +01:00 · 2014-08-28 16:19:16 +01:00 · b1da3fa0a7
parent c46c806126
commit b1da3fa0a7
1 changed files with 2 additions and 1 deletions
--- a/synapse/federation/replication.py
+++ b/synapse/federation/replication.py
@ -541,7 +541,8 @@ class _TransactionQueue(object):
        )

        def eb(failure):
-            deferred.errback(failure)
+            if not deferred.called:
+                deferred.errback(failure)
        self._attempt_new_transaction(destination).addErrback(eb)

        return deferred