public class CustomClientHttpRequestFactory extends SimpleClientHttpRequestFactory {

@Override
protected void prepareConnection(HttpURLConnection connection, String httpMethod) throws IOException {
    super.prepareConnection(connection, httpMethod);
    connection.setInstanceFollowRedirects(true);
}

@Autowired
CustomClientHttpRequestFactory factory;
@Bean
public RestTemplate getRestSvc()
{
    RestTemplate restTemplate =  new RestTemplate();
    restTemplate.setRequestFactory(factory);
    return restTemplate;
}

ResponseEntity<String> entity = restTemplate.postForEntity("http://localhost:9099/login?username=usernane&password=password", request, String.class);
    System.out.println("Status : " + entity.getStatusCode());
    assertTrue(entity.getStatusCode()==HttpStatus.OK);