Handle case when we get acks with no recorded receipts

2011-08-26 13:10:44 +01:00 · 2011-08-26 13:10:44 +01:00 · ad11737eb1
parent 23b5e5bfd9
commit ad11737eb1
1 changed files with 5 additions and 1 deletions
--- a/deps/rabbitmq_stomp/src/rabbit_stomp_processor.erl
+++ b/deps/rabbitmq_stomp/src/rabbit_stomp_processor.erl
@ -717,7 +717,11 @@ accumulate_receipts(DeliveryTag, false, PR) ->
    end;

 accumulate_receipts(DeliveryTag, true, PR) ->
-    accumulate_receipts1(DeliveryTag, gb_trees:take_smallest(PR), []).
+    case gb_trees:is_empty(PR) of
+        true  -> {[], PR};
+        false -> accumulate_receipts1(DeliveryTag,
+                                      gb_trees:take_smallest(PR), [])
+    end.

 accumulate_receipts1(DeliveryTag, {Key, Value, PR}, Acc)
  when Key > DeliveryTag ->