Source:
private Environment getRemoteEnvironment(RestTemplate restTemplate, ConfigClientProperties properties, String label, String state) { String path = "/{name}/{profile}"; String name = properties.getName(); String profile = properties.getProfile(); String token = properties.getToken(); int noOfUrls=properties.getUri().length; if(noOfUrls>1) { logger.info("Multiple Config Server Urls found listed"); } Object[] args = new String[] { name, profile }; if (StringUtils.hasText(label)) { if (label.contains("/")) { label = label.replace("/", "(_)"); } args = new String[] { name, profile, label }; path = path + "/{label}"; } ResponseEntity<Environment> response = null; for(int i=0;i<noOfUrls;i++) { Credentials credentials=properties.getCredentials(i); String uri=credentials.getUri(); String username=credentials.getUsername(); String password=credentials.getPassword(); logger.info("Fetching config from server at: " + uri); try { HttpHeaders headers = new HttpHeaders(); addAuthorizationToken(properties, headers, username, password); if (StringUtils.hasText(token)) { headers.add(TOKEN_HEADER, token); } if (StringUtils.hasText(state)) { headers.add(STATE_HEADER, state); } final HttpEntity<Void> entity = new HttpEntity<>((Void) null, headers); response = restTemplate.exchange(uri + path, HttpMethod.GET, entity, Environment.class, args); } catch (HttpClientErrorException e) { if (e.getStatusCode() != HttpStatus.NOT_FOUND) { throw e; } } catch(ResourceAccessException e) { logger.info("Connect Timeout Exception on Url-"+uri+".Will be trying the next url if available"); if(i==noOfUrls-1) throw e; else continue; } if (response == null || response.getStatusCode() != HttpStatus.OK) { return null; } Environment result = response.getBody(); return result; } return null; }

Target:
private Environment getRemoteEnvironment(RestTemplate restTemplate, ConfigClientProperties properties, String label, String state) { String path = "/{name}/{profile}"; String name = properties.getName(); String profile = properties.getProfile(); String token = properties.getToken(); int noOfUrls = properties.getUri().length; if (noOfUrls > 1) { logger.info("Multiple Config Server Urls found listed."); } Object[] args = new String[] { name, profile }; if (StringUtils.hasText(label)) { if (label.contains("/")) { label = label.replace("/", "(_)"); } args = new String[] { name, profile, label }; path = path + "/{label}"; } ResponseEntity<Environment> response = null; for (int i = 0; i < noOfUrls; i++) { Credentials credentials = properties.getCredentials(i); String uri = credentials.getUri(); String username = credentials.getUsername(); String password = credentials.getPassword(); logger.info("Fetching config from server at : " + uri); try { HttpHeaders headers = new HttpHeaders(); addAuthorizationToken(properties, headers, username, password); if (StringUtils.hasText(token)) { headers.add(TOKEN_HEADER, token); } if (StringUtils.hasText(state)) { headers.add(STATE_HEADER, state); } final HttpEntity<Void> entity = new HttpEntity<>((Void) null, headers); response = restTemplate.exchange(uri + path, HttpMethod.GET, entity, Environment.class, args); } catch (HttpClientErrorException e) { if (e.getStatusCode() != HttpStatus.NOT_FOUND) { throw e; } } catch (ResourceAccessException e) { logger.info("Connect Timeout Exception on Url - " + uri + ". Will be trying the next url if available"); if (i == noOfUrls - 1) throw e; else continue; } if (response == null || response.getStatusCode() != HttpStatus.OK) { return null; } Environment result = response.getBody(); return result; } return null; }