wombatu-kun commented on code in PR #19202:
URL: https://github.com/apache/hudi/pull/19202#discussion_r3592370859
##########
hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/table/format/cdc/CdcIterators.java:
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@@ -135,14 +153,25 @@ public boolean hasNext() {
}
@Override
- public RowData next() {
+ public synchronized RowData next() {
+ if (closed) {
+ throw new NoSuchElementException("CDC file-splits iterator was closed
during teardown");
+ }
+ if (recordIterator == null) {
+ throw new NoSuchElementException("No more CDC records");
+ }
return recordIterator.next();
}
@Override
- public void close() {
+ public synchronized void close() {
+ if (closed) {
+ return;
+ }
+ closed = true;
if (recordIterator != null) {
recordIterator.close();
+ recordIterator = null;
Review Comment:
This predates the minibatch redesign (a0487f740). In the current close(),
imageManager is nulled and recordIterator is closed once at single-threaded
end-of-life, so the flagged asymmetry no longer applies.
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