Github user hmcl commented on a diff in the pull request:
https://github.com/apache/storm/pull/2147#discussion_r119413232
--- Diff:
external/storm-kafka-client/src/main/java/org/apache/storm/kafka/spout/KafkaSpout.java
---
@@ -127,12 +132,19 @@ public void open(Map conf, TopologyContext context,
SpoutOutputCollector collect
// =========== Consumer Rebalance Listener - On the same thread as the
caller ===========
private class KafkaSpoutConsumerRebalanceListener implements
ConsumerRebalanceListener {
+ private ConsumerRebalanceHandlerTask task;
+
+ public
KafkaSpoutConsumerRebalanceListener(ConsumerRebalanceHandlerTask task) {
+ this.task = task;
+ }
+
@Override
public void onPartitionsRevoked(Collection<TopicPartition>
partitions) {
LOG.info("Partitions revoked. [consumer-group={}, consumer={},
topic-partitions={}]",
kafkaSpoutConfig.getConsumerGroupId(), kafkaConsumer,
partitions);
- if (!consumerAutoCommitMode && initialized) {
- initialized = false;
+
+ if (!consumerAutoCommitMode && task.isComplete()) {
--- End diff --
it's like an boolean, asynchronous task. start and stop will set the
boolean field. start() -> complete=true, stop() -> complete=false
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