java中Kubernetes的API：身份验证错误

Question

我正在开发一个简单的 java 应用程序来显示集群的 pod。

这是应用程序：

import io.kubernetes.client.openapi.ApiClient;
import io.kubernetes.client.openapi.ApiException;
import io.kubernetes.client.openapi.Configuration;
import io.kubernetes.client.openapi.apis.CoreV1Api;
import io.kubernetes.client.openapi.models.V1Pod;
import io.kubernetes.client.openapi.models.V1PodList;
import io.kubernetes.client.util.ClientBuilder;
import io.kubernetes.client.util.KubeConfig;
import java.io.FileReader;
import java.io.IOException;

/**
 * A simple example of how to use the Java API from an application outside a kubernetes cluster
 *
 * <p>Easiest way to run this: mvn exec:java
 * -Dexec.mainClass="io.kubernetes.client.examples.KubeConfigFileClientExample"
 *
 */
public class untitled4 {
    public static void main(String[] args) throws IOException, ApiException {

        // file path to your KubeConfig
        String kubeConfigPath = "/home/robin/.kube/config";

        // loading the out-of-cluster config, a kubeconfig from file-system
        ApiClient client =
                ClientBuilder.kubeconfig(KubeConfig.loadKubeConfig(new FileReader(kubeConfigPath))).build();

        // set the global default api-client to the in-cluster one from above
        Configuration.setDefaultApiClient(client);

        // the CoreV1Api loads default api-client from global configuration.
        CoreV1Api api = new CoreV1Api();

        // invokes the CoreV1Api client
        V1PodList list = api.listPodForAllNamespaces(null, null, null, null, null, null, null, null, null);
        System.out.println("Listing all pods: ");
        for (V1Pod item : list.getItems()) {
            System.out.println(item.getMetadata().getName());
        }
    }
}

但我收到此错误：

Exception in thread "main" java.lang.IllegalStateException: Unimplemented
    at io.kubernetes.client.util.authenticators.GCPAuthenticator.refresh(GCPAuthenticator.java:61)
    at io.kubernetes.client.util.KubeConfig.getAccessToken(KubeConfig.java:215)
    at io.kubernetes.client.util.credentials.KubeconfigAuthentication.<init>(KubeconfigAuthentication.java:46)
    at io.kubernetes.client.util.ClientBuilder.kubeconfig(ClientBuilder.java:276)
    at untitled4.main(untitled4.java:28)

Process finished with exit code 1