Github user NicoK commented on a diff in the pull request:
https://github.com/apache/flink/pull/3978#discussion_r118260352
--- Diff:
flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/operator/CEPOperatorTest.java
---
@@ -654,6 +654,7 @@ public boolean filter(Event value) throws Exception {
Lists.newArrayList(startEvent2,
endEvent, middleEvent3)
)
);
+ harness.close();
--- End diff --
ok, did that - would have been nice to use try-with-resources but I didn't
want to change too much and an operator's `close()` method does allow throwing
`Exception`s and so should `AbstractStreamOperatorTestHarness#close()`
(probably)
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