Ignore your own domain

synapse/federation/federation_client.py

@@ -327,6 +327,9 @@ class FederationClient(FederationBase):
     @defer.inlineCallbacks
     def make_join(self, destinations, room_id, user_id):
         for destination in destinations:
+            if destination == self.server_name:
+                continue
+
             try:
                 ret = yield self.transport_layer.make_join(
                     destination, room_id, user_id
@@ -353,6 +356,9 @@ class FederationClient(FederationBase):
     @defer.inlineCallbacks
     def send_join(self, destinations, pdu):
         for destination in destinations:
+            if destination == self.server_name:
+                continue
+
             try:
                 time_now = self._clock.time_msec()
                 _, content = yield self.transport_layer.send_join(