Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/5701#discussion_r175729168
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskExecutor.java
---
@@ -1515,8 +1516,22 @@ public void reportPayload(ResourceID resourceID,
Void payload) {
}
@Override
- public CompletableFuture<Void> retrievePayload(ResourceID
resourceID) {
- return CompletableFuture.completedFuture(null);
+ public CompletableFuture<AccumulatorReport>
retrievePayload(ResourceID resourceID) {
--- End diff --
Let's add `validateRunsInMainThread` as a first statement. That way we
enforce that this method really runs in the main thread context.
---