avoid throwing htpp 404 error

spring-cloud-config-client/src/main/java/org/springframework/cloud/config/client/ConfigServicePropertySourceLocator.java

@@ -39,6 +39,7 @@ import org.springframework.http.client.ClientHttpRequestInterceptor;
 import org.springframework.http.client.ClientHttpResponse;
 import org.springframework.retry.annotation.Retryable;
 import org.springframework.util.StringUtils;
+import org.springframework.web.client.HttpClientErrorException;
 import org.springframework.web.client.HttpServerErrorException;
 import org.springframework.web.client.RestTemplate;
 
@@ -117,9 +118,18 @@ public class ConfigServicePropertySourceLocator implements PropertySourceLocator
 			args = new String[] { name, profile, label };
 			path = path + "/{label}";
 		}
-		ResponseEntity<Environment> response = restTemplate.exchange(uri + path,
-				HttpMethod.GET, new HttpEntity<Void>((Void) null),
-				Environment.class, args);
+		ResponseEntity<Environment> response = null;
+
+		try {
+			response = restTemplate.exchange(uri + path,
+					HttpMethod.GET, new HttpEntity<Void>((Void) null),
+					Environment.class, args);
+		} catch (HttpClientErrorException e) {
+			if(e.getStatusCode() != HttpStatus.NOT_FOUND ) {
+				throw e;
+			}
+		}
+
 		if (response==null || response.getStatusCode()!=HttpStatus.OK) {
 			return null;
 		}

spring-cloud-config-client/src/test/java/org/springframework/cloud/config/client/ConfigServicePropertySourceLocatorTests.java

@@ -7,6 +7,7 @@ import java.io.ByteArrayInputStream;
 import java.net.URI;
 
 import org.hamcrest.core.IsInstanceOf;
+import org.hamcrest.core.IsNull;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
@@ -129,8 +130,7 @@ public class ConfigServicePropertySourceLocatorTests {
 		Mockito.when(response.getBody()).thenReturn(
 				new ByteArrayInputStream("".getBytes()));
 		locator.setRestTemplate(restTemplate);
-		expected.expectCause(IsInstanceOf
-				.<Throwable> instanceOf(HttpClientErrorException.class));
+		expected.expectCause(IsNull.nullValue(Throwable.class));
 		expected.expectMessage("fail fast property is set");
 		assertNull(locator.locate(environment));
 	}