Example Spring (R) application to demonstrate the behavior of ExecutorServiceAdapter

How to run

./gradlew run

Outcome

Jan. 27, 2023 1:41:44 PM org.springframework.beans.factory.support.DisposableBeanAdapter invokeCustomDestroyMethod
WARNUNG: Custom destroy method 'shutdown' on bean with name 'executorService' threw an exception: java.lang.IllegalStateException: Manual shutdown not supported - ExecutorServiceAdapter is dependent on an external lifecycle