From 987147d3ec7475d57f905a8fb52b089c2675290f Mon Sep 17 00:00:00 2001
From: Ioannis Canellos <iocanel@gmail.com>
Date: Tue, 5 Apr 2016 13:43:28 +0300
Subject: [PATCH] Use Optional.ofNullable for service endpoints.

---
 .../spring/cloud/discovery/KubernetesDiscoveryClient.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-cloud-kubernetes-discovery/src/main/java/io/fabric8/spring/cloud/discovery/KubernetesDiscoveryClient.java b/spring-cloud-kubernetes-discovery/src/main/java/io/fabric8/spring/cloud/discovery/KubernetesDiscoveryClient.java
index a9b6dbea..30e7f9d6 100644
--- a/spring-cloud-kubernetes-discovery/src/main/java/io/fabric8/spring/cloud/discovery/KubernetesDiscoveryClient.java
+++ b/spring-cloud-kubernetes-discovery/src/main/java/io/fabric8/spring/cloud/discovery/KubernetesDiscoveryClient.java
@@ -73,7 +73,7 @@ public class KubernetesDiscoveryClient implements DiscoveryClient {
     @Override
     public List<ServiceInstance> getInstances(String serviceId) {
         Assert.notNull(serviceId, "[Assertion failed] - the object argument must be null");
-        return Optional.of(client.endpoints().withName(serviceId).get()).orElse(new Endpoints())
+        return Optional.ofNullable(client.endpoints().withName(serviceId).get()).orElse(new Endpoints())
                 .getSubsets()
                 .stream().map(s -> new KubernetesServiceInstance(serviceId, s.getPorts().iterator().next().getName(), s, false))
                 .collect(Collectors.toList());