Github user jaceklaskowski commented on a diff in the pull request:
https://github.com/apache/spark/pull/14026#discussion_r69382788
--- Diff:
external/kafka-0-10/src/main/scala/org/apache/spark/streaming/kafka010/ConsumerStrategy.scala
---
@@ -79,8 +81,71 @@ private case class Subscribe[K, V](
def onStart(currentOffsets: ju.Map[TopicPartition, jl.Long]):
Consumer[K, V] = {
val consumer = new KafkaConsumer[K, V](kafkaParams)
consumer.subscribe(topics)
- if (currentOffsets.isEmpty) {
- offsets.asScala.foreach { case (topicPartition, offset) =>
+ val toSeek = if (currentOffsets.isEmpty) {
+ offsets
+ } else {
+ currentOffsets
+ }
+ if (!toSeek.isEmpty) {
+ // work around KAFKA-3370 when reset is none
+ val aor = kafkaParams.get(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG)
+ val shouldSuppress = aor != null &&
aor.asInstanceOf[String].toUpperCase == "NONE"
+ try {
+ consumer.poll(0)
+ } catch {
+ case x: NoOffsetForPartitionException if shouldSuppress =>
+ // silence exception
+ }
+ toSeek.asScala.foreach { case (topicPartition, offset) =>
+ consumer.seek(topicPartition, offset)
--- End diff --
4 chars for indent?
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
