2023-08-15 10:24:17,966 ERROR [SpringApplicationShutdownHook] SubService(SubService.java:116) - unsubscribe exception
java.lang.NullPointerException: unSubscribeUrl cannot be null
	at java.util.Objects.requireNonNull(Objects.java:246) ~[?:?]
	at org.apache.eventmesh.client.http.consumer.EventMeshHttpConsumer.unsubscribe(EventMeshHttpConsumer.java:148) ~[main/:?]
	at org.apache.eventmesh.http.demo.sub.service.SubService.cleanup(SubService.java:114) ~[main/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:389) ~[spring-beans-5.3.26.jar:5.3.26]
	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeDestroyMethods(InitDestroyAnnotationBeanPostProcessor.java:347) ~[spring-beans-5.3.26.jar:5.3.26]
	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeDestruction(InitDestroyAnnotationBeanPostProcessor.java:177) ~[spring-beans-5.3.26.jar:5.3.26]
	at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:197) ~[spring-beans-5.3.26.jar:5.3.26]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:587) ~[spring-beans-5.3.26.jar:5.3.26]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:559) ~[spring-beans-5.3.26.jar:5.3.26]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1163) ~[spring-beans-5.3.26.jar:5.3.26]
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:520) ~[spring-beans-5.3.26.jar:5.3.26]
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1156) ~[spring-beans-5.3.26.jar:5.3.26]
	at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1108) ~[spring-context-5.3.26.jar:5.3.26]
	at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1077) ~[spring-context-5.3.26.jar:5.3.26]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.doClose(ServletWebServerApplicationContext.java:174) ~[spring-boot-2.7.10.jar:2.7.10]
	at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:1023) ~[spring-context-5.3.26.jar:5.3.26]
	at org.springframework.boot.SpringApplicationShutdownHook.closeAndWait(SpringApplicationShutdownHook.java:145) ~[spring-boot-2.7.10.jar:2.7.10]
	at java.lang.Iterable.forEach(Iterable.java:75) ~[?:?]
	at org.springframework.boot.SpringApplicationShutdownHook.run(SpringApplicationShutdownHook.java:114) ~[spring-boot-2.7.10.jar:2.7.10]
	at java.lang.Thread.run(Thread.java:834) [?:?]
2023-08-15 10:24:17,966 INFO  [SpringApplicationShutdownHook] EventMeshHttpConsumer(EventMeshHttpConsumer.java:173) - LiteConsumer shutdown begin.