Could not find policy 'pick_first'.

[Rui Zhang]

Hello there：
      I used listAccessibleCustomers from google ads Api, but I got an 
error, it was strange.
the code is:
            String queryCustomSql = "SELECT customer_client.id, 
customer_client.descriptive_name,                        
 
customer_client.client_customer,customer_client.currency_code,customer.auto_tagging_enabled
 
FROM  customer_client";
            GoogleAdsVersion latestVersion = 
googleAdsClient.getLatestVersion();
            CustomerServiceClient customerService = 
latestVersion.createCustomerServiceClient();
            GoogleAdsServiceClient googleAdsServiceClient = 
latestVersion.createGoogleAdsServiceClient();
            ListAccessibleCustomersResponse response = 
customerService.listAccessibleCustomers(ListAccessibleCustomersRequest.newBuilder().build());
the error is:
           java.lang.IllegalStateException: Could not find policy 
'pick_first'. Make sure its implementation is either registered to 
LoadBalancerRegistry or included in 
META-INF/services/io.grpc.LoadBalancerProvider from your jar files.

i need help, Thanks you.


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