eramitmittal commented on code in PR #43551:
URL: https://github.com/apache/arrow/pull/43551#discussion_r1743325808
##########
java/flight/flight-integration-tests/src/test/java/org/apache/arrow/flight/integration/tests/IntegrationTest.java:
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@@ -114,6 +124,8 @@ void testScenario(String scenarioName) throws Exception {
scenario.client(allocator, location, client);
}
}
+ exec.shutdown();
+ final boolean unused = exec.awaitTermination(3, TimeUnit.SECONDS);
Review Comment:
adding:
```
// Shutdown the executor while allowing existing tasks to finish.
// Without this wait, allocator.close() may get invoked earlier than
an executor thread may
// have finished freeing up resources
// In that case, allocator.close() can throw an IllegalStateException
for memory leak, leading
// to flaky tests
```
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