davidradl commented on code in PR #28106:
URL: https://github.com/apache/flink/pull/28106#discussion_r3187084981
##########
flink-runtime/src/test/java/org/apache/flink/runtime/asyncprocessing/operators/AbstractAsyncRunnableStreamOperatorTest.java:
##########
@@ -153,8 +153,8 @@ void testAsyncProcessWithKey() throws Exception {
new TestKeySelector(), ElementOrder.RECORD_ORDER);
AsyncOneInputStreamOperatorTestHarness<Tuple2<Integer, String>,
String> testHarness =
AsyncOneInputStreamOperatorTestHarness.create(testOperator,
128, 1, 0);
- testHarness.setStateBackend(buildAsyncStateBackend(new
HashMapStateBackend()));
- try {
+ try (testHarness) {
Review Comment:
why not construct the testHarness object in the try () seems to be the
recommended
[pattern](https://docs.oracle.com/javase/tutorial/essential/exceptions/tryResourceClose.html)
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