#vulnerable code 
                              public static void main(String[] args) throws IOException, ApiException {
    ApiClient client = Config.defaultClient();
    Configuration.setDefaultApiClient(client);

    CoreV1Api api = new CoreV1Api();
    V1PodList list =
        api.listPodForAllNamespaces(null, null, null, null, null, null, null, null, null);
    for (V1Pod item : list.getItems()) {
      System.out.println(item.getMetadata().getName());
    }
  } 
                            #location 8 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                public static void main(String[] args) {
        try {
            Example operation = new Example();
            operation.executeCommand();
        } catch (ApiException ex) {
            LOGGER.log(Level.SEVERE, null, ex);
        }
    }