yanghua commented on a change in pull request #3123:
URL: https://github.com/apache/hudi/pull/3123#discussion_r655220200
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File path:
hudi-flink/src/main/java/org/apache/hudi/sink/StreamWriteFunction.java
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@@ -494,7 +493,7 @@ private boolean flushBucket(DataBucket bucket) {
long waitingTime = 0L;
long ckpTimeout = config.getLong(FlinkOptions.WRITE_COMMIT_ACK_TIMEOUT);
long interval = 500L;
- while (Objects.equals(instant, this.currentInstant)) {
+ while (instant == null || instant.equals(this.currentInstant)) {
Review comment:
in the case: `instant == null`, you have returned before?
```
if (instant == null) {
// in case there are empty checkpoints that has no input data
LOG.info("No inflight instant when flushing data, skip.");
return false;
}
```
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