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. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org