jectpro7 commented on code in PR #24698:
URL: https://github.com/apache/flink/pull/24698#discussion_r1576511469
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flink-core/src/main/java/org/apache/flink/core/state/StateFutureImpl.java:
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@@ -61,23 +66,34 @@ public <U> StateFuture<U> thenApply(Function<? super T, ?
extends U> fn) {
return StateFutureUtils.completedFuture(r);
} else {
StateFutureImpl<U> ret = makeNewStateFuture();
- completableFuture.thenAccept(
- (t) -> {
- callbackRunner.submit(
- () -> {
- ret.complete(fn.apply(t));
- callbackFinished();
- });
- });
+ completableFuture
+ .thenAccept(
+ (t) -> {
+ callbackRunner.submit(
+ () -> {
+ ret.complete(fn.apply(t));
+ callbackFinished();
+ });
+ })
+ .exceptionally(
+ (e) -> {
+ exceptionHandler.handleException(
Review Comment:
Shall we allow the handler return something (e.g. default fallback value)?
if the execption is recoveryable, we can continue the operation. This behaviour
also matched the `exceptionally` function.
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