Github user srdo commented on a diff in the pull request:
https://github.com/apache/storm/pull/1679#discussion_r79809326
--- Diff:
external/storm-kafka-client/src/main/java/org/apache/storm/kafka/spout/KafkaSpout.java
---
@@ -266,26 +266,32 @@ private void doSeekRetriableTopicPartitions() {
if (offsetAndMeta != null) {
kafkaConsumer.seek(rtp, offsetAndMeta.offset() + 1); //
seek to the next offset that is ready to commit in next commit cycle
} else {
- kafkaConsumer.seekToEnd(toArrayList(rtp)); // Seek to
last committed offset
+ kafkaConsumer.seek(rtp, acked.get(rtp).committedOffset +
1); // Seek to last committed offset
--- End diff --
@jfenc91 About this being tested: If the two tests you mentioned run fine
without this change, would you mind adding one that tests this? Maybe something
like have a topic with a few messages in it and fail the first message, then
check that the spout doesn't skip the messages following the failed message?
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