leventov commented on issue #9285: Dangling CountDownLatch.await() in tests URL: https://github.com/apache/druid/issues/9285#issuecomment-593066477 Other methods: - `ExecutorService.awaitTermination`, e. g. in [`IntermediaryDataManager`](https://github.com/apache/druid/blob/master/indexing-service/src/main/java/org/apache/druid/indexing/worker/IntermediaryDataManager.java#L167) should probably at least log something if it fails to terminate in the specified time, FYI @jihoonson. The Structural search pattern should be marked as "within type hierarchy". - `AsynchronousChannelGroup.awaitTermination` - `ForkJoinPool.awaitQuiescence` - `Semaphore.tryAcquire` - `Condition.await`, "within type hierarchy" - `Lock.tryLock`, "within type hierarchy" - `Process.waitFor` - `Monitor.enter` (Guava) - `RateLimiter.tryAcquire` (Guava)
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