garyli1019 commented on a change in pull request #1377: [HUDI-663] Fix
HoodieDeltaStreamer offset not handled correctly
URL: https://github.com/apache/incubator-hudi/pull/1377#discussion_r391344867
##########
File path:
hudi-utilities/src/main/java/org/apache/hudi/utilities/sources/helpers/KafkaOffsetGen.java
##########
@@ -180,7 +180,7 @@ public KafkaOffsetGen(TypedProperties props) {
.map(x -> new TopicPartition(x.topic(),
x.partition())).collect(Collectors.toSet());
// Determine the offset ranges to read from
- if (lastCheckpointStr.isPresent()) {
+ if (lastCheckpointStr.isPresent() && !lastCheckpointStr.get().isEmpty())
{
Review comment:
I agree with @bvaradar here.
I tried
```java
else if (commitMetadata.getMetadata(CHECKPOINT_KEY) != null &&
!commitMetadata.getMetadata(CHECKPOINT_KEY).isEmpty()) {
resumeCheckpointStr =
Option.of(commitMetadata.getMetadata(CHECKPOINT_KEY));
}
```
The unit tests were passed.
If you mean when the checkpoint was empty, the application was throwing an
Exception. I think it should the desired behavior, WDYT?
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