Github user hmcl commented on a diff in the pull request:
https://github.com/apache/storm/pull/1999#discussion_r106299675
--- Diff:
external/storm-kafka-client/src/main/java/org/apache/storm/kafka/spout/KafkaSpout.java
---
@@ -383,23 +403,24 @@ private void commitOffsetsForAckedTuples() {
@Override
public void ack(Object messageId) {
final KafkaSpoutMessageId msgId = (KafkaSpoutMessageId) messageId;
- if(!emitted.contains(msgId)) {
- LOG.debug("Received ack for tuple this spout is no longer
tracking. Partitions may have been reassigned. Ignoring message [{}]", msgId);
- return;
- }
-
- if (!consumerAutoCommitMode) { // Only need to keep track of
acked tuples if commits are not done automatically
- acked.get(msgId.getTopicPartition()).add(msgId);
+ if (!emitted.contains(msgId)) {
+ LOG.debug("Received ack for message [{}], which is associated
with either a null tuple that was never emitted, " +
--- End diff --
OK, will do.
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