pnowojski commented on a change in pull request #9564:
[FLINK-12481][FLINK-12482][FLINK-12958] Streaming runtime: integrate mailbox
for timer triggers, checkpoints and AsyncWaitOperator
URL: https://github.com/apache/flink/pull/9564#discussion_r323523245
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
##########
@@ -428,6 +429,10 @@ public final void invoke() throws Exception {
// See FLINK-7430
isRunning = false;
}
+ MailboxExecutor mainMailboxExecutor =
mailboxProcessor.getMainMailboxExecutor();
Review comment:
Can we add some unit test in `StreamTaskTest`? Relaying on a different
module/package/class to provide test coverage this will be more fragile in the
future.
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