Merge pull request #1975 from wind57/fix-1968-close-fabric8-client

fix issue 1968

Author: ryanjbaxter

spring-cloud-kubernetes-fabric8-autoconfig/src/main/java/org/springframework/cloud/kubernetes/fabric8/Fabric8AutoConfiguration.java

@@ -18,13 +18,11 @@
 
 import java.time.Duration;
 
-import io.fabric8.kubernetes.client.Client;
 import io.fabric8.kubernetes.client.Config;
 import io.fabric8.kubernetes.client.ConfigBuilder;
 import io.fabric8.kubernetes.client.KubernetesClient;
 import io.fabric8.kubernetes.client.KubernetesClientBuilder;
 
-import org.springframework.beans.factory.BeanFactoryUtils;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnCloudPlatform;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
@@ -33,8 +31,6 @@
 import org.springframework.cloud.kubernetes.commons.KubernetesCommonsAutoConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.context.event.ContextClosedEvent;
-import org.springframework.context.event.EventListener;
 
 /**
  * Auto configuration for Kubernetes.
@@ -121,13 +117,4 @@ public Fabric8PodUtils kubernetesPodUtils(KubernetesClient client) {
 		return new Fabric8PodUtils(client);
 	}
 
-	@EventListener
-	void onContextClosed(ContextClosedEvent event) {
-		// Clean up any open connections from the KubernetesClient when the context is
-		// closed
-		BeanFactoryUtils.beansOfTypeIncludingAncestors(event.getApplicationContext(), KubernetesClient.class)
-			.values()
-			.forEach(Client::close);
-	}
-
 }