Initializing proxy and basic authentication throws 401 unauthorized error and check the logs for the below code gives No credentials for basic schema DEBUG log is seen

proxyUrl = "proxy.ops.org";
proxyport = 8080;
redentialsProvider credsProvider = new BasicCredentialsProvider();
    credsProvider.setCredentials( 
        new AuthScope(proxyUrl, proxyport), 
        new UsernamePasswordCredentials(username, password)
    );

    HttpHost myProxy = new HttpHost(proxyUrl, proxyport);
    HttpClientBuilder clientBuilder = HttpClientBuilder.create();


clientBuilder.setProxy(myProxy).setDefaultCredentialsProvider(credsProvider); clientBuilder.setProxy(myProxy).setDefaultCredentialsProvider(credsProvider);

HttpClient httpClient = clientBuilder.build();
    HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory();
    factory.setHttpClient(httpClient); 

RestClient rstCleint = RestClient.builder
                .baseUrl("https://test.org")
                .requestFactory(factory)
                .build();