kl0u commented on a change in pull request #9143: [FLINK-13307] Fix
SourceStreamTaskTest test instability.
URL: https://github.com/apache/flink/pull/9143#discussion_r304349614
##########
File path:
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/tasks/SourceStreamTaskTest.java
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@@ -275,13 +280,16 @@ public void finishingIgnoresExceptions() throws
Exception {
SourceStreamTask::new,
BasicTypeInfo.STRING_TYPE_INFO);
+ final CompletableFuture<Void> waitingLatch = new
CompletableFuture<>();
Review comment:
In this specific case it can. Normally the good thing about the latch is
that you can reset it, which here we do not need.
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