From c688b5227f614dbd45d3c8c723b9b6b8c0c28a44 Mon Sep 17 00:00:00 2001
From: madoke <madoke@gmail.com>
Date: Mon, 15 Aug 2016 11:41:23 +0100
Subject: [PATCH] fix: prevent possible NPE

---
 .../com/netflix/config/source/EtcdConfigurationSource.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/archaius-etcd/src/main/java/com/netflix/config/source/EtcdConfigurationSource.java b/archaius-etcd/src/main/java/com/netflix/config/source/EtcdConfigurationSource.java
index 631bf6565..3eb0b6ad5 100644
--- a/archaius-etcd/src/main/java/com/netflix/config/source/EtcdConfigurationSource.java
+++ b/archaius-etcd/src/main/java/com/netflix/config/source/EtcdConfigurationSource.java
@@ -68,6 +68,10 @@ private void init() {
     }
 
     private void cacheValues(Node configNode) {
+        if(configNode == null || configNode.getNodes() == null) {
+            return;
+        }
+
         for (Node valueNode : configNode.getNodes()) {
             final String etcdKey = valueNode.key();
             final String sourceKey = Iterables.getLast(keySplitter.split(etcdKey));