zentol commented on a change in pull request #9143: [FLINK-13307] Fix
SourceStreamTaskTest test instability.
URL: https://github.com/apache/flink/pull/9143#discussion_r304347767
##########
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:
`operatorRunningWaitingFuture`; wondering whether we should use a
OneShotLatch instead; or whether CompFuture could completely subsume this.
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