Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/1243#discussion_r46054711
--- Diff:
flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-rabbitmq/src/main/java/org/apache/flink/streaming/connectors/rabbitmq/RMQSource.java
---
@@ -102,4 +116,18 @@ public void run(SourceContext<OUT> ctx) throws
Exception {
public void cancel() {
running = false;
}
+
+ @Override
+ protected void acknowledgeIDs(List<Long> ids) {
+ try {
+ channel.basicAck(ids.get(ids.size() - 1), true);
--- End diff --
This also fails if no messages have been processed between two checkpoint
intervals (-1 index).
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