ifndef-SleePy opened a new pull request #6925: [FLINK-10621][runtime] Fix unstable unit test case of BootstrapToolsTest URL: https://github.com/apache/flink/pull/6925 ## What is the purpose of the change `BootstrapToolsTest.testConcurrentActorSystemCreation` is unstable. We forgot to pass the `ExecutorService` to `CompletableFuture.supplyAsync`, so the thread count depends on the machine the case is running on. If the thread count is less than 10, the case would hang forever. ## Brief change log * Pass the `ExecutorService` to `CompletableFuture.supplyAsync` ## Verifying this change * Verifying by unit test ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (no) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no) - The serializers: (no) - The runtime per-record code paths (performance sensitive): (on) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no) - The S3 file system connector: (no) ## Documentation - Does this pull request introduce a new feature? (no) - If yes, how is the feature documented? (not applicable)
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