mirrored_supervisor: Catch timeout from Khepri in hanlde_info/2

Author: dumbbell

deps/rabbit/src/mirrored_supervisor.erl

@@ -345,7 +345,10 @@ handle_info({'DOWN', _Ref, process, Pid, _Reason},
                            child_order = ChildOrder}) ->
     %% No guarantee pg will have received the DOWN before us.
     R = case lists:sort(pg:get_members(Group)) -- [Pid] of
-            [O | _] -> ChildSpecs = update_all(O, Pid),
+            [O | _] -> ChildSpecs = case update_all(O, Pid) of
+                                        List when is_list(List) -> List;
+                                        {error, timeout}        -> []
+                                    end,
                        [start(Delegate, ChildSpec)
                         || ChildSpec <- restore_child_order(ChildSpecs,
                                                             ChildOrder)];