Github user brkyvz commented on a diff in the pull request:
https://github.com/apache/spark/pull/16213#discussion_r97841000
--- Diff:
external/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisCheckpointer.scala
---
@@ -64,7 +64,18 @@ private[kinesis] class KinesisCheckpointer(
def removeCheckpointer(shardId: String, checkpointer:
IRecordProcessorCheckpointer): Unit = {
synchronized {
checkpointers.remove(shardId)
- checkpoint(shardId, checkpointer)
+ }
+ try {
+ // We must call `checkpoint()` with no parameter to finish reading
shards.
+ // See an URL below for details:
+ // https://forums.aws.amazon.com/thread.jspa?threadID=244218
+ KinesisRecordProcessor.retryRandom(checkpointer.checkpoint(), 4, 100)
--- End diff --
Can you run this if `checkpointer != null`. The docs mention that the
`checkpointer` may be null.
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