zentol commented on code in PR #21019:
URL: https://github.com/apache/flink/pull/21019#discussion_r994476666
##########
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGenerator.java:
##########
@@ -298,6 +303,27 @@ private JobGraph createJobGraph() {
return jobGraph;
}
+ private void waitForSerializationFuturesAndUpdateJobVertices()
+ throws ExecutionException, InterruptedException {
+ for (JobVertex jobVertex : jobGraph.getVertices()) {
+ final
List<CompletableFuture<SerializedValue<OperatorCoordinator.Provider>>>
+ futuresForJobVertex =
coordinatorSerializationFutures.remove(jobVertex.getID());
+ if (futuresForJobVertex == null) {
+ LOG.warn(
+ "No OperatorCoordinator creator serialized for
JobVertex {}.",
+ jobVertex.getID());
+ } else {
+ FutureUtils.combineAll(futuresForJobVertex)
+ .get()
+ .forEach(jobVertex::addOperatorCoordinator);
+ }
+ }
+ Preconditions.checkState(
+ coordinatorSerializationFutures.isEmpty(),
+ "There are still serialization futures not processed for
JobVertex instances: {}",
Review Comment:
We shouldn't wait. If this happens something added a coordinator while we
were already inserting them; and we should fail hard when that happens.
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