Github user srdo commented on a diff in the pull request:

    https://github.com/apache/storm/pull/1825#discussion_r92847519
  
    --- Diff: 
external/storm-kafka-client/src/main/java/org/apache/storm/kafka/spout/KafkaSpout.java
 ---
    @@ -262,11 +312,12 @@ private void doSeekRetriableTopicPartitions() {
             final Set<TopicPartition> retriableTopicPartitions = 
retryService.retriableTopicPartitions();
     
             for (TopicPartition rtp : retriableTopicPartitions) {
    -            final OffsetAndMetadata offsetAndMeta = 
acked.get(rtp).findNextCommitOffset();
    -            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
    +            KafkaSpout.OffsetEntry entry = acked.get(rtp);
    +            if (entry != null) {
    --- End diff --
    
    I'd like it if you could revert the commit for fixing STORM-2077, since a 
different fix is being ported back from master.


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