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[HUDI-2542] AppendWriteFunction throws NPE when checkpointing without written data (#3777)

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Danny Chan
2021-10-11 16:22:22 +08:00
committed by GitHub
parent ceace1c653
commit 5b8bc664a8
1 changed files with 4 additions and 0 deletions
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4
hudi-flink/src/main/java/org/apache/hudi/sink/append/AppendWriteFunction.java
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@@ -122,6 +122,10 @@ public class AppendWriteFunction<I> extends AbstractStreamWriteFunction<I> {
} }
private void flushData(boolean endInput) { private void flushData(boolean endInput) {
if (this.writerHelper == null) {
// does not process any inputs, returns early.
return;
}
final List<WriteStatus> writeStatus = this.writerHelper.getWriteStatuses(this.taskID); final List<WriteStatus> writeStatus = this.writerHelper.getWriteStatuses(this.taskID);
final WriteMetadataEvent event = WriteMetadataEvent.builder() final WriteMetadataEvent event = WriteMetadataEvent.builder()
.taskID(taskID) .taskID(taskID)