tillrohrmann commented on a change in pull request #12611:
URL: https://github.com/apache/flink/pull/12611#discussion_r439411274
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointCoordinator.java
##########
@@ -538,36 +538,45 @@ private void
startTriggeringCheckpoint(CheckpointTriggerRequest request) {
coordinatorsToCheckpoint, pendingCheckpoint, timer),
timer);
- CompletableFuture.allOf(masterStatesComplete,
coordinatorCheckpointsComplete)
- .whenCompleteAsync(
- (ignored, throwable) -> {
- final PendingCheckpoint
checkpoint =
-
FutureUtils.getWithoutException(pendingCheckpointCompletableFuture);
-
- if (throwable == null &&
checkpoint != null && !checkpoint.isDiscarded()) {
- // no exception, no
discarding, everything is OK
- final long checkpointId
= checkpoint.getCheckpointId();
- snapshotTaskState(
- timestamp,
- checkpointId,
-
checkpoint.getCheckpointStorageLocation(),
- request.props,
- executions,
-
request.advanceToEndOfTime);
-
-
coordinatorsToCheckpoint.forEach((ctx) ->
ctx.afterSourceBarrierInjection(checkpointId));
-
- onTriggerSuccess();
- } else {
- // the
initialization might not be finished yet
- if (checkpoint
== null) {
-
onTriggerFailure(request, throwable);
+ FutureUtils.assertNoException(
Review comment:
`FutureUtils.assertNoException` is similar to `assert` or
`Preconditions.checkState`, they all ensure that certain invariants are kept.
In our case it is that no exception is being thrown by the `handleAsync`
callback.
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