SpringBoot ApplicationEvent is fired 2 times when the management.port is not same as application

a applicationEvent has been register to listen the applicationClose event,like this

@Component
public class ApplicationStoppedEventListener implements ApplicationListener<ContextClosedEvent> {}

if management port is not same with application port, the ContextClosedEvent will be fired 2 times

Comment From: refeccd

I would like to ask why the management context needs to treat the current application context as a parent

Comment From: wilkinsona

This is to be expected as, when there is a separate management port, the management server runs in a separate application context. It uses the application's main context as a parent to allow it to find and use beans in that context.

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